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

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Yan Ping Zhang
๐Ÿฉบ
MDIndividual

Yan Ping Zhang, MD

NPI: 1306884317
El Monte, CA
10 years of data
Internal Medicine
$10.7M
Total Payments
13.1K
Beneficiaries
117.6K
Services
1.71x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$10.7M
Specialty median$84.0K

๐Ÿ“‹ Key Findings

1Billed $10.7M over 10 years
21.71x markup ratio
399th percentile in Internal Medicine by payments
4Payments surged 143% in 2020
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $10.7M in total Medicare payments ranks in the 99th percentile of Internal Medicine providers nationally.

Medicare payments to this provider grew 185% from 2014 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

๐Ÿ“ˆ

Notable: Payments increased 143% in 2020

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

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$141.65$89.121.59x$52.53$607.8K8.9K1.2K
2015$148.37$89.021.67x$59.35$645.2K9.5K1.1K
2016$152.70$88.251.73x$64.45$842.1K11.6K1.4K
2017$165.07$92.131.79x$72.94$920.9K12.6K1.7K
2018$164.36$93.121.77x$71.24$778.7K10.6K1.4K
2019$156.34$93.401.67x$62.94$576.5K6.3K957
2020$206.18$124.181.66x$82.00$1.4M12.5K1.4K
2021$210.09$131.011.60x$79.08$1.3M12.1K1.2K
2022$222.48$133.421.67x$89.06$1.9M17.8K1.5K
2023$223.53$129.041.73x$94.49$1.7M15.7K1.2K

Top Procedures (20)

99310Subsequent nursing facility visit, typically 35 minutes per day
$3.5M
29.7K services$117.53/svc1.65x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day
$3.2M
36.4K services$88.05/svc1.75x markup
99309Subsequent nursing facility visit, typically 25 minutes per day
$579.5K
6.9K services$84.14/svc1.90x markup
99350Established patient home visit, typically 60 minutes
$514.3K
3.4K services$151.14/svc1.69x markup
99223Initial hospital inpatient care, typically 70 minutes per day
$475.3K
2.9K services$163.71/svc1.56x markup
99291Critical care delivery critically ill or injured patient, first 30-74 minutes
$428.2K
2.3K services$182.58/svc1.62x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$402.2K
4.4K services$90.94/svc1.69x markup
99306Initial nursing facility visit, typically 45 minutes per day
$238.3K
1.7K services$141.24/svc1.58x markup
99232Subsequent hospital inpatient care, typically 25 minutes per day
$218.3K
3.5K services$61.54/svc1.99x markup
99337Established patient assisted living visit, typically 60 minutes
$187.0K
1.1K services$162.64/svc1.56x markup
99239Hospital discharge day management, more than 30 minutes
$175.6K
2.0K services$89.64/svc1.72x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$123.3K
2.0K services$60.97/svc1.98x markup
99496Transitional care management services, highly complexity, requiring face-to-face visits within 7 days of discharge
$116.5K
632 services$184.40/svc1.64x markup
97140Manual (physical) therapy techniques to 1 or more regions, each 15 minutes
$116.3K
5.5K services$21.31/svc1.54x markup
G0181Physician supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of c
$69.8K
775 services$90.07/svc2.05x markup
97032Application of electrical stimulation to 1 or more areas, each 15 minutes
$57.4K
5.1K services$11.34/svc1.94x markup
99316Nursing facility discharge management, more than 30 minutes
$51.2K
566 services$90.38/svc1.73x markup
97035Application of ultrasound to 1 or more areas, each 15 minutes
$38.6K
4.6K services$8.47/svc1.95x markup
99222Initial hospital inpatient care, typically 50 minutes per day
$37.1K
327 services$113.42/svc1.87x markup
20553Injections of trigger points in 3 or more muscles
$27.6K
508 services$54.24/svc1.63x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99310Subsequent nursing facility visit, typically 35 minutes per day29.7K$3.5M$117.531.65x
99233Subsequent hospital inpatient care, typically 35 minutes per day36.4K$3.2M$88.051.75x
99309Subsequent nursing facility visit, typically 25 minutes per day6.9K$579.5K$84.141.90x
99350Established patient home visit, typically 60 minutes3.4K$514.3K$151.141.69x
99223Initial hospital inpatient care, typically 70 minutes per day2.9K$475.3K$163.711.56x
99291Critical care delivery critically ill or injured patient, first 30-74 minutes2.3K$428.2K$182.581.62x
99214Established patient office or other outpatient, visit typically 25 minutes4.4K$402.2K$90.941.69x
99306Initial nursing facility visit, typically 45 minutes per day1.7K$238.3K$141.241.58x
99232Subsequent hospital inpatient care, typically 25 minutes per day3.5K$218.3K$61.541.99x
99337Established patient assisted living visit, typically 60 minutes1.1K$187.0K$162.641.56x
99239Hospital discharge day management, more than 30 minutes2.0K$175.6K$89.641.72x
99213Established patient office or other outpatient visit, typically 15 minutes2.0K$123.3K$60.971.98x
99496Transitional care management services, highly complexity, requiring face-to-face visits within 7 days of discharge632$116.5K$184.401.64x
97140Manual (physical) therapy techniques to 1 or more regions, each 15 minutes5.5K$116.3K$21.311.54x
G0181Physician supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of c775$69.8K$90.072.05x
97032Application of electrical stimulation to 1 or more areas, each 15 minutes5.1K$57.4K$11.341.94x
99316Nursing facility discharge management, more than 30 minutes566$51.2K$90.381.73x
97035Application of ultrasound to 1 or more areas, each 15 minutes4.6K$38.6K$8.471.95x
99222Initial hospital inpatient care, typically 50 minutes per day327$37.1K$113.421.87x
20553Injections of trigger points in 3 or more muscles508$27.6K$54.241.63x

Markup Analysis

Charge-to-Payment Ratio

1.71x

This provider submits charges 1.71 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.71x means for every $100 Medicare pays, this provider initially charges $171. This is lower than the national average.

Location

El Monte, CA

Provider Verification

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

Similar Providers

Other Internal Medicine providers in CA for peer comparison.

Yan Ping Zhang (you)
$10.7M
Aaron Jeng, MD, MPH
$45.6M
Richard Park, M.D.โš ๏ธ
$34.7M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Aaron Jeng, MD, MPHSan Gabriel, CA$45.6Mโœ“ Clear
Richard Park, M.D.Granada Hills, CA$34.7Mโš ๏ธ Flagged

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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.

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