NPPES file of Aug 9, 2026

Gregory S. Shields, MD

Diagnostic Radiology Physician · Buffalo, NY

Gregory S. Shields, MD is a diagnostic radiology physician with a practice address in Buffalo, New York, and NPI 1013975895, issued on May 2, 2006. Check the license (New York 234818, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1013975895
Name
Gregory S. Shields
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
234818 NY
Self-reported in NPPES; status is on the state search
Practice location
100 High St, Buffalo, NY 14203
Phone
(716) 859-2954
Enumerated
May 2, 2006
Record last updated
May 6, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(716) 859-2962
Medicaid ID
02625074 NY
Medicare enrollment
Enrolled (PECOS I20050311000637); accepts Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 1997
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 100 High St

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

  1. Jamie Abbott, PHD, MSGenetic Counselor (M.S.)1093411522
  2. Amr Abd El-Radi, MDInternal Medicine Physician1124681614
  3. Mohamed Abdel-Aal Ahmed, M.D.Cardiovascular Disease Physician1164834776
  4. Jonah Abdo-Suarez, PHARMACISTPharmacist1164259826
  5. Samira Abdulkadir, PA-CPhysician Assistant1376344721
  6. Omar Abialmouna, MDRheumatology Physician1518527092

Verify Gregory S. Shields in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 234818
    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 New York 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): 66.3 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 score80.7
  2. Costout of 100 · 30%23.0
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Bills Medicare through 3 group practices

  1. Niagara Frontier Radiologic Associates PCLewiston, NY
  2. Riverside Radiology And Interventional Associates IncClarence, NY
  3. Windsong Radiology Group P CDepew, NY

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

Gregory S. Shields among 3,146 diagnostic radiology physician records in New York

Gregory S. Shields, MD is one of 3,146 diagnostic radiology physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 45% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1997 · median 2002 among the 2,169 with a school on file
  • Record last updated2008 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in New York

There are 3,146 diagnostic radiology physician records in New York.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Shahir Aiad, MDBuffalo, NY 142031174581649
  2. Aurea Desouza, M.D.Buffalo, NY 142031083672554
  3. Timothy Dezastro, MDBuffalo, NY 142031598723017
  4. David Engin, MDBuffalo, NY 142031720392905
  5. Gregg Feld, MDBuffalo, NY 142031902864473
  6. Robert Lutnick, MDBuffalo, NY 142031053379412
  7. Frank MascaroBuffalo, NY 142031285692657
  8. Gregory Phillies, MDBuffalo, NY 142031437116670

Common questions

What is Gregory S. Shields, MD's NPI number?

Gregory S. Shields, MD's National Provider Identifier (NPI) is 1013975895, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory S. Shields, MD located?

The NPPES record lists a practice address at 100 High St, Buffalo, NY, 14203. Phone: (716) 859-2954. Providers update this record themselves, so call before visiting.

How can I verify Gregory S. Shields, MD's license?

NPPES lists New York license number 234818, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Gregory S. Shields, MD's MIPS final score?

The 2023 MIPS final score is 66.3 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.