Gregory W. Stamnas, MD
Hospitalist Physician · Berlin, MD
Gregory W. Stamnas, MD is a hospitalist physician with a practice address in Berlin, Maryland, and NPI 1982693701, issued on Oct 14, 2005. Check the license (Maryland D0056312, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Gregory W. Stamnas
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- D0056312 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9733 Healthway Drive, Berlin, MD 21811
- Phone
- (410) 641-9109
- Enumerated
- Oct 14, 2005
- Record last updated
- Mar 14, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (410) 629-1203
- Medicaid ID
- 466104400 MD
- Medicare enrollment
- Enrolled (PECOS I20040721001027); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 1993
- Entity
- Type 1 · individual
Also registered at 9733 Healthway Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jeffrey Fernley, D.O.Anesthesiology Physician1578559563
- Scott Knowlton, DOAnesthesiology Physician1043417314
- Michael Stivelman, M.D.Anesthesiology Physician1659352102
- Juliet Vanegmond, MDHospitalist Physician1639168818
- Preeti Yonker, MDNeurology Physician1841409000
Verify Gregory W. Stamnas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0056312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average hospitalist physician in 2024
120 Medicare Part D claims for 49 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate23 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $39.83
2 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Tidalhealth Atlantic IncSnow Hill, MD
- Tidalhealth Specialty Care LLCSalisbury, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hospitalist Physician providers in Maryland
There are 397 hospitalist physician records in Maryland.
Other hospitalist physician records in Maryland
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- Nina Victoria AbonClinton, MD1114554821
- Prakash Acharya, MDBaltimore, MD1053542639
- Eniola Adejumo, MDColumbia, MD1104110675
- Babafemi Adeniyi, MDLargo, MD1952985467
- Linda Adler, M.D.Towson, MD1942225263
- Elham Afshar, M.D.Baltimore, MD1588963763
- Sanjay Agarwal, MDBethesda, MD1346200391
- Negin Ahadi, MDBaltimore, MD1548429673
- Ashish Ahuja, MDBaltimore, MD1982067260
Common questions
What is Gregory W. Stamnas, MD's NPI number?
Gregory W. Stamnas, MD's National Provider Identifier (NPI) is 1982693701, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory W. Stamnas, MD located?
The NPPES record lists a practice address at 9733 Healthway Drive, Berlin, MD, 21811. Phone: (410) 641-9109. Providers update this record themselves, so call before visiting.
How can I verify Gregory W. Stamnas, MD's license?
NPPES lists Maryland license number D0056312, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory W. Stamnas, MD prescribe under Medicare Part D?
In 2024, Gregory W. Stamnas, MD had 120 Medicare Part D claims for 49 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Gregory W. Stamnas, MD's MIPS final score?
The 2023 MIPS final score is 77.5 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.