OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
Disclaimer: This site is an independent journalism project. Data analysis and editorial content are not affiliated with or endorsed by CMS or any government agency. All spending figures are based on publicly available Medicare payment records.
Sister Sites: OpenMedicaid ยท OpenFeds ยท OpenSpending

ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. An Pham
๐Ÿซ
MDIndividual

An Pham, MD

NPI: 1609848456
Pottstown, PA
10 years of data
Pulmonary Disease
$4.0M
Total Payments
34.9K
Beneficiaries
52.4K
Services
3.7x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$4.0M
Specialty median$121.6K

๐Ÿ“‹ Key Findings

1Billed $4.0M over 10 years
23.7x markup ratio (above median)
398th percentile in Pulmonary Disease by payments
45 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $4.0M in total Medicare payments ranks in the 98th percentile of Pulmonary Disease providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

Submitted Charges vs. Medicare Payments

Average per-service amounts submitted by the provider compared to what Medicare actually paid โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$238.29$106.692.23x$131.60$352.1K4.3K3.0K
2015$231.86$101.082.29x$130.78$389.4K4.9K3.5K
2016$439.59$104.694.20x$334.90$402.1K4.8K3.4K
2017$614.96$108.395.67x$506.57$437.3K4.8K3.5K
2018$640.91$105.676.07x$535.24$405.9K5.1K3.4K
2019$758.72$101.307.49x$657.42$458.3K5.6K3.8K
2020$508.63$94.315.39x$414.32$321.4K4.8K3.2K
2021$523.63$106.784.90x$416.85$419.4K6.0K3.8K
2022$566.45$98.375.76x$468.08$420.8K6.0K3.8K
2023$457.18$106.934.28x$350.25$399.1K6.1K3.5K

Top Procedures (20)

99213Established patient office or other outpatient visit, typically 15 minutes
$826.8K
13.4K services$61.85/svc1.94x markup
95811Sleep monitoring of patient (6 years or older) in sleep lab with continued pressured respiratory assistance by mask or breathing tubeโš  6.5x markup
$793.9K
1.5K services$521.27/svc6.48x markup
95810Sleep monitoring of patient (6 years or older) in sleep labโš  7.0x markup
$537.0K
1.1K services$490.43/svc7.05x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$445.5K
4.9K services$90.70/svc1.86x markup
99223Initial hospital inpatient care, typically 70 minutes per day
$185.6K
1.1K services$166.58/svc1.50x markup
94729Measurement of lung diffusing capacity
$158.6K
3.5K services$45.61/svc1.93x markup
94010Measurement and graphic recording of total and timed exhaled air capacity
$145.0K
5.6K services$26.06/svc2.87x markup
99204New patient office or other outpatient visit, typically 45 minutes
$136.4K
1.0K services$130.40/svc1.93x markup
94727Determination of lung volumes using gas dilution or washout
$120.1K
3.5K services$34.43/svc1.83x markup
31622Diagnostic examination of lung airways using an endoscopeโš  4.1x markup
$97.4K
833 services$116.88/svc4.11x markup
99232Subsequent hospital inpatient care, typically 25 minutes per day
$91.8K
1.5K services$59.60/svc1.70x markup
99231Subsequent hospital inpatient care, typically 15 minutes per day
$67.9K
2.1K services$32.54/svc2.38x markup
96372Injection beneath the skin or into muscle for therapy, diagnosis, or preventionโš  3.1x markup
$56.5K
3.9K services$14.68/svc3.09x markup
96401Non-hormonal anti-neoplastic chemotherapy beneath the skin or into muscle
$50.7K
768 services$65.96/svc2.20x markup
90662Vaccine for influenza for injection into muscle
$32.4K
592 services$54.73/svc1.41x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day
$25.1K
293 services$85.81/svc1.63x markup
J1040Injection, methylprednisolone acetate, 80 mg
$20.5K
2.6K services$7.79/svc2.58x markup
J2182Injection, mepolizumab, 1 mg
$17.6K
770 services$22.88/svc2.07x markup
94620Pulmonary exercise testingโš  4.4x markup
$17.4K
381 services$45.74/svc4.37x markup
90670Pneumococcal vaccine for injection into muscle
$15.9K
96 services$165.72/svc1.19x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Established patient office or other outpatient visit, typically 15 minutes13.4K$826.8K$61.851.94x
95811Sleep monitoring of patient (6 years or older) in sleep lab with continued pressured respiratory assistance by mask or breathing tube1.5K$793.9K$521.276.48x
95810Sleep monitoring of patient (6 years or older) in sleep lab1.1K$537.0K$490.437.05x
99214Established patient office or other outpatient, visit typically 25 minutes4.9K$445.5K$90.701.86x
99223Initial hospital inpatient care, typically 70 minutes per day1.1K$185.6K$166.581.50x
94729Measurement of lung diffusing capacity3.5K$158.6K$45.611.93x
94010Measurement and graphic recording of total and timed exhaled air capacity5.6K$145.0K$26.062.87x
99204New patient office or other outpatient visit, typically 45 minutes1.0K$136.4K$130.401.93x
94727Determination of lung volumes using gas dilution or washout3.5K$120.1K$34.431.83x
31622Diagnostic examination of lung airways using an endoscope833$97.4K$116.884.11x
99232Subsequent hospital inpatient care, typically 25 minutes per day1.5K$91.8K$59.601.70x
99231Subsequent hospital inpatient care, typically 15 minutes per day2.1K$67.9K$32.542.38x
96372Injection beneath the skin or into muscle for therapy, diagnosis, or prevention3.9K$56.5K$14.683.09x
96401Non-hormonal anti-neoplastic chemotherapy beneath the skin or into muscle768$50.7K$65.962.20x
90662Vaccine for influenza for injection into muscle592$32.4K$54.731.41x
99233Subsequent hospital inpatient care, typically 35 minutes per day293$25.1K$85.811.63x
J1040Injection, methylprednisolone acetate, 80 mg2.6K$20.5K$7.792.58x
J2182Injection, mepolizumab, 1 mg770$17.6K$22.882.07x
94620Pulmonary exercise testing381$17.4K$45.744.37x
90670Pneumococcal vaccine for injection into muscle96$15.9K$165.721.19x

Markup Analysis

Charge-to-Payment Ratio

3.7x

This provider submits charges 3.7 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.7x means for every $100 Medicare pays, this provider initially charges $370. This is higher than the national average.

Location

Pottstown, PA

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Related

Browse
โ† Back to Provider Directory
State
All providers in PA โ†’
Specialty
All Pulmonary Disease providers โ†’
Tool
Compare this provider โ†’
Analysis
Fraud Watchlist โ†’
Search
Search all providers โ†’

Share This Provider

Share this provider's Medicare payment information

Share:

Data Sources

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข National Plan and Provider Enumeration System (NPPES)

Last Updated: February 2026 (data through 2023, the latest CMS release)

Note: All data is from publicly available Medicare records. OpenMedicare is an independent journalism project not affiliated with CMS.

Believe this data is inaccurate? Dispute this data