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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. Mariama Sahor
๐Ÿ‘ฉโ€โš•๏ธ
NPIndividual

Mariama Sahor, ARNP

NPI: 1407137672
Katy, TX
7 years of data
Nurse Practitioner
$3.2M
Total Payments
12.2K
Beneficiaries
33.4K
Services
1.85x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$3.2M
Specialty median$25.9K

๐Ÿ“‹ Key Findings

1Billed $3.2M over 7 years
21.85x markup ratio
399th percentile in Nurse Practitioner by payments
4Payments surged 249% in 2018
51 procedure with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.2M in total Medicare payments ranks in the 99th percentile of Nurse Practitioner providers nationally.

Medicare payments to this provider grew 627% from 2017 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 249% in 2018

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
2017$297.89$125.232.38x$172.66$70.7K567311
2018$229.76$97.852.35x$131.91$246.8K2.1K760
2019$282.57$102.652.75x$179.92$340.3K3.1K1.2K
2020$137.04$78.141.75x$58.90$759.4K8.2K3.8K
2021$110.06$63.731.73x$46.33$648.0K7.2K2.8K
2022$114.79$66.981.71x$47.81$630.6K6.8K2.0K
2023$116.65$65.991.77x$50.66$513.8K5.4K1.2K

Top Procedures (20)

99337Established patient assisted living visit, typically 60 minutes
$1.5M
12.5K services$122.78/svc1.84x markup
99350Established patient home visit, typically 60 minutes
$550.5K
4.6K services$118.61/svc1.70x markup
99336Established patient assisted living visit, typically 40 minutes
$267.8K
3.1K services$85.90/svc1.86x markup
87635Sars-cov-2 covid-19 amp prb
$146.9K
2.9K services$51.24/svc1.86x markup
99349Established patient home visit, typically 40 minutes
$101.0K
1.3K services$79.80/svc1.90x markup
99328New patient assisted living visit, typically 75 minutes
$96.4K
719 services$134.14/svc1.99x markup
99496Transitional care management services, highly complexity, requiring face-to-face visits within 7 days of discharge
$52.3K
309 services$169.12/svc1.58x markup
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
$46.3K
451 services$102.73/svc1.53x markup
99335Established patient assisted living visit, typically 25 minutes
$36.5K
643 services$56.70/svc2.05x markup
99345New patient home visit, typically 75 minutes
$36.0K
264 services$136.26/svc2.04x markup
G0182Physician supervision of a patient under a medicare-approved hospice (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of care plans, review of subsequent reports of patien
$30.6K
440 services$69.45/svc1.74x markup
99233Subsequent hospital inpatient care, typically 35 minutes per dayโš  3.4x markup
$28.0K
409 services$68.50/svc3.37x markup
99343New patient home visit, typically 45 minutes
$21.3K
261 services$81.63/svc1.73x markup
99327New patient assisted living visit, typically 60 minutes
$20.0K
169 services$118.13/svc1.85x markup
99215Established patient office or other outpatient visit, 40-54 minutes
$19.8K
181 services$109.17/svc1.40x markup
G0438Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
$16.1K
115 services$140.11/svc1.38x markup
99348Established patient home visit, typically 25 minutes
$16.0K
313 services$51.00/svc1.71x markup
99326New patient assisted living visit, typically 45 minutes
$14.7K
162 services$90.65/svc1.58x markup
99310Subsequent nursing facility visit, typically 35 minutes per day
$13.7K
147 services$92.96/svc2.38x markup
99490Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month
$11.9K
294 services$40.40/svc1.85x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99337Established patient assisted living visit, typically 60 minutes12.5K$1.5M$122.781.84x
99350Established patient home visit, typically 60 minutes4.6K$550.5K$118.611.70x
99336Established patient assisted living visit, typically 40 minutes3.1K$267.8K$85.901.86x
87635Sars-cov-2 covid-19 amp prb2.9K$146.9K$51.241.86x
99349Established patient home visit, typically 40 minutes1.3K$101.0K$79.801.90x
99328New patient assisted living visit, typically 75 minutes719$96.4K$134.141.99x
99496Transitional care management services, highly complexity, requiring face-to-face visits within 7 days of discharge309$52.3K$169.121.58x
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit451$46.3K$102.731.53x
99335Established patient assisted living visit, typically 25 minutes643$36.5K$56.702.05x
99345New patient home visit, typically 75 minutes264$36.0K$136.262.04x
G0182Physician supervision of a patient under a medicare-approved hospice (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of care plans, review of subsequent reports of patien440$30.6K$69.451.74x
99233Subsequent hospital inpatient care, typically 35 minutes per day409$28.0K$68.503.37x
99343New patient home visit, typically 45 minutes261$21.3K$81.631.73x
99327New patient assisted living visit, typically 60 minutes169$20.0K$118.131.85x
99215Established patient office or other outpatient visit, 40-54 minutes181$19.8K$109.171.40x
G0438Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit115$16.1K$140.111.38x
99348Established patient home visit, typically 25 minutes313$16.0K$51.001.71x
99326New patient assisted living visit, typically 45 minutes162$14.7K$90.651.58x
99310Subsequent nursing facility visit, typically 35 minutes per day147$13.7K$92.962.38x
99490Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month294$11.9K$40.401.85x

Markup Analysis

Charge-to-Payment Ratio

1.85x

This provider submits charges 1.85 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.85x means for every $100 Medicare pays, this provider initially charges $185. This is lower than the national average.

Location

Katy, TX

Provider Verification

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

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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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