Registry data as of Aug 27, 2026

Katherine Stedman, M.D.

Emergency Medicine Physician · Oak Bluffs, MA

Katherine Stedman, M.D. is an emergency medicine physician with a practice address in Oak Bluffs, Massachusetts, and NPI 1386847754, issued on Jun 6, 2007. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1386847754
Name
Katherine Stedman
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
Practice location
1 Hospital Road, Oak Bluffs, MA 02557
Phone
(508) 957-0111
Enumerated
Jun 6, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1 Hospital Road

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

  1. Prudy Carter-Donovan, NP-CFamily Nurse Practitioner1750721312
  2. Beth Donnelly, MDInternal Medicine Physician1235195207
  3. Jeffrey Horenstein, M.D., PH.D.Emergency Medicine Physician1073834081
  4. Stephen London, M.D.Anesthesiology Physician1487744868
  5. Kevin Mabie, M.D.Orthopaedic Surgery Physician1992743116
  6. Michael Michotek, M.D.Independent Medical Examiner Physician1346445392

Verify Katherine Stedman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck 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 Massachusetts 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.

86% fewer Medicare Part D claims than the average emergency medicine physician in 2024

50 Medicare Part D claims for 40 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.

  1. Katherine Stedman50
  2. Specialty average355

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.

6 emergency medicine physician records list a Oak Bluffs practice address

They are 6 of the 143 NPPES records with a Oak Bluffs practice address, and 1,763 emergency medicine physician records in Massachusetts.

Other emergency medicine physician records in Massachusetts

  1. Emily Aaronson, M.D.Boston, MA1962791558
  2. Sharif Abdel Jalil, PHARM. D., MDWorcester, MA1649795758
  3. Menahem Abraham, M.D.Beverly, MA1720113889
  4. Aser AbrhaBoston, MA1568102796
  5. Jorge Acevedo Herman, MDWorcester, MA1447955000
  6. Matthew Adamo, DOFalmouth, MA1912446972
  7. Austin AdamsBoston, MA1861139388
  8. Sapana Adhikari, M.D.Boston, MA1902870694
  9. Jamie Adler, MDBoston, MA1659765790
  10. Jonathan Adler, MDBoston, MA1609851500

Common questions

What is Katherine Stedman, M.D.'s NPI number?

Katherine Stedman, M.D.'s National Provider Identifier (NPI) is 1386847754, issued on Jun 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Stedman, M.D. located?

The NPPES record lists a practice address at 1 Hospital Road, Oak Bluffs, MA, 02557. Phone: (508) 957-0111. Providers update this record themselves, so call before visiting.

How can I verify Katherine Stedman, M.D.'s license?

Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Stedman, M.D. prescribe under Medicare Part D?

In 2024, Katherine Stedman, M.D. had 50 Medicare Part D claims for 40 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.