NPPES file of Aug 9, 2026

Margaret A. Kaiser, M.D.

Internal Medicine Physician · Oakland, MD

Margaret A. Kaiser, M.D. is an internal medicine physician with a practice address in Oakland, Maryland, and NPI 1396732129, issued on Oct 6, 2005. Check the license (Maryland D26650, as entered in NPPES) on the Maryland Board of Physicians; 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
1396732129
Name
Margaret A. Kaiser
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
D26650 MD
13770 WV
Self-reported in NPPES; status is on the state search
Practice location
251 N 4TH St, Oakland, MD 21550
Phone
(301) 533-4000
Enumerated
Oct 6, 2005
Record last updated
May 21, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(301) 895-8751
Medicaid IDs
264471100 MD
0083820000 WV
Medicare enrollment
Enrolled (PECOS I20081029000379); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 1979
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 251 N 4TH St

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

  1. Eugenia Artice, MSN, CRNP, FNP-COncology Registered Nurse1609585371
  2. Susan Bennett, FNP-CFamily Nurse Practitioner1205359981
  3. Kambrie Bosley, PA-CPhysician Assistant1083385512
  4. Luis Colon-Mulero, M.D.Family Medicine Physician1326401902
  5. Belinda CorbyPharmacy Technician1891651089
  6. Robert Coughlin, MDEmergency Medicine Physician1578516241

Verify Margaret A. Kaiser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D26650
    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 Maryland license search

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2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

7,694 Medicare Part D claims for 231 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 238 claims were for opioids.

  1. Margaret Kaiser7,694
  2. Specialty average3,176

Most prescribed

  1. Eliquis305 claims
  2. Levothyroxine Sodium263 claims
  3. Famotidine250 claims
  4. Gabapentin240 claims
  5. Atorvastatin Calcium239 claims
  6. Lisinopril214 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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score78.5
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $209.72

7 payments; by number, the most common kind was food and beverage; the largest payer was Celgene Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Margaret Kaiser$209.72
  2. Specialty average$1,303.06

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. Specialty Physicians OF Garrett County, LLCOakland, MD

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

Margaret A. Kaiser among 3,904 internal medicine physician records in Maryland

Margaret A. Kaiser, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1979 · median 2003 among the 2,445 with a school on file
  • Record last updated2018 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Maryland

There are 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Somi Rikhye, MD, MPHOakland, MD 215501952504441
  2. Khaled Awad, MDCumberland, MD 215021902335565
  3. Parmartha Basnyat, MDCumberland, MD 215021295409233
  4. Sajina BhandariCumberland, MD 215021215603469
  5. Utsuk Bhattarai, MDCumberland, MD 215021609490903
  6. Elmer De Camps Martinez, M.D.Cumberland, MD 215021417695487
  7. Sreelakshmi Kooragayalu, MDCumberland, MD 215021144706979
  8. Noha Omar, MDCumberland, MD 215021598376402

Common questions

What is Margaret A. Kaiser, M.D.'s NPI number?

Margaret A. Kaiser, M.D.'s National Provider Identifier (NPI) is 1396732129, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Margaret A. Kaiser, M.D. located?

The NPPES record lists a practice address at 251 N 4TH St, Oakland, MD, 21550. Phone: (301) 533-4000. Providers update this record themselves, so call before visiting.

How can I verify Margaret A. Kaiser, M.D.'s license?

NPPES lists Maryland license number D26650, 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 Margaret A. Kaiser, M.D. prescribe under Medicare Part D?

In 2024, Margaret A. Kaiser, M.D. had 7,694 Medicare Part D claims for 231 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Margaret A. Kaiser, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.1 of 100. 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.