NPPES file of Aug 9, 2026

Pooya Hosseinzadeh, MD

Orthopaedic Surgery Physician · Saint Louis, MO

Pooya Hosseinzadeh, MD is an orthopaedic surgery physician with a practice address in Saint Louis, Missouri, and NPI 1437363660, issued on May 9, 2007. Check the license (Missouri 2016025632, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437363660
Name
Pooya Hosseinzadeh
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
2016025632 MO
Self-reported in NPPES; status is on the state search
Practice location
4921 Parkview PL, Saint Louis, MO 63110
Phone
(314) 514-3500
Enumerated
May 9, 2007
Record last updated
Apr 17, 2025
Fax
(314) 878-7678
Medicaid ID
200036135 MO
Medicare enrollment
Enrolled (PECOS I20161013000371); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4921 Parkview PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mohammed Abbasi, MDPulmonary Disease Physician1497097083
  2. Helen Adams, AGNPGerontology Nurse Practitioner1730836776
  3. Muyibat Adelani, MDAdult Reconstructive Orthopaedic Surgery Physician1396908042
  4. Foluso Ademuyiwa, MDMedical Oncology Physician1083875538
  5. Syed Adil, MDAdult Reconstructive Orthopaedic Surgery Physician1467942953
  6. Homaa Ahmad, MDCardiovascular Disease Physician1477635092

Verify Pooya Hosseinzadeh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 2016025632
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score71.5
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $25.79

1 payment: food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Pooya Hosseinzadeh$26
  2. Specialty average$23,023

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Washington UniversitySaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Pooya Hosseinzadeh among 514 orthopaedic surgery physician records in Missouri

Pooya Hosseinzadeh, MD is one of 514 orthopaedic surgery physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.

  • NPI issued2007 · 47% of these records are older, 44% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2003 · median 2006 among the 302 with a school on file
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Missouri

There are 514 orthopaedic surgery physician records in Missouri.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. R Stephen Burnett, MDSaint Louis, MO 631101144246364
  2. Thomas Debartolo, MDSt Louis, MO 631101871504472
  3. Kathryn Fischer, PASaint Louis, MO 631101528381647
  4. David Greenberg, MDSaint Louis, MO 631101881700607
  5. David Karges, DOSaint Louis, MO 631101326060021
  6. Jay Keener, MDSaint Louis, MO 631101689692642
  7. Jeffrey Martin, MDSaint Louis, MO 631101740273796
  8. Douglas McDonald, MDSaint Louis, MO 631101639196173

Common questions

What is Pooya Hosseinzadeh, MD's NPI number?

Pooya Hosseinzadeh, MD's National Provider Identifier (NPI) is 1437363660, issued on May 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Pooya Hosseinzadeh, MD located?

The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 514-3500. Providers update this record themselves, so call before visiting.

How can I verify Pooya Hosseinzadeh, MD's license?

NPPES lists Missouri license number 2016025632, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Pooya Hosseinzadeh, MD's MIPS final score?

The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.