NPPES file of Aug 9, 2026

Allison Weaver, MD

Internal Medicine Physician · Baltimore, MD

Allison Weaver, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1003313289, issued on Apr 12, 2018. Check the license (Maryland D91253, 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
1003313289
Name
Allison Weaver
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
D91253 MD
Self-reported in NPPES; status is on the state search
Practice location
600 N Wolfe Street, Baltimore, MD 21287
Phone
(410) 614-4474
Enumerated
Apr 12, 2018
Record last updated
Sep 18, 2024
Fax
(410) 367-2770
Medicare enrollment
Enrolled (PECOS I20210805000878); may accept Medicare assignment
Medical or professional school
Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2018
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 600 N Wolfe Street

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

  1. Rachel Aaron, PHDClinical Psychologist1003294232
  2. Christina Allen, NPFamily Nurse Practitioner1669877049
  3. Avani AminHospitalist Physician1609300862
  4. Danielle Amundsen, MDInternal Medicine Physician1619514478
  5. Jake Awtry, MAStudent in an Organized Health Care Education/Training Program1700393600
  6. Alba Azola, MDPhysical Medicine & Rehabilitation Physician1366601056

Verify Allison Weaver in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D91253
    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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

38 Medicare Part D claims for 15 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Allison Weaver38
  2. Specialty average3,176

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): 74.4 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 score64.7
  2. Costout of 100 · 30%52.4
  3. Promoting interoperabilityout of 100 · 25%97.0
  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).

Bills Medicare through 2 group practices

  1. Johns Hopkins UniversityBaltimore, MD
  2. Johns Hopkins UniversityBaltimore, MD

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

Allison Weaver among 3,904 internal medicine physician records in Maryland

Allison Weaver, MD 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 2018, is newer than 84% of them.

  • NPI issued2018 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2018 · median 2003 among the 2,445 with a school on file
  • Record last updated2024 · 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).

1,278 internal medicine physician records list a practice address in Baltimore

They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lawrence Appel, M.D.Baltimore, MD 212871366407066
  2. Bimal Ashar, M.D.Baltimore, MD 212871306801147
  3. Patricia Barditch-Crovo, M.D.Baltimore, MD 212871477518033
  4. Eric Bass, M.D.Baltimore, MD 212871346205416
  5. Christie Basseth, M.D.Baltimore, MD 212871972568426
  6. Mary Catherine Beach, M.D.Baltimore, MD 212871598720922
  7. Valeriani Bead, M.D.Baltimore, MD 212871396700720
  8. Gail Berkenblit, M.D.Baltimore, MD 212871841256781

Common questions

What is Allison Weaver, MD's NPI number?

Allison Weaver, MD's National Provider Identifier (NPI) is 1003313289, issued on Apr 12, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Allison Weaver, MD located?

The NPPES record lists a practice address at 600 N Wolfe Street, Baltimore, MD, 21287. Phone: (410) 614-4474. Providers update this record themselves, so call before visiting.

How can I verify Allison Weaver, MD's license?

NPPES lists Maryland license number D91253, 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 Allison Weaver, MD prescribe under Medicare Part D?

In 2024, Allison Weaver, MD had 38 Medicare Part D claims for 15 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Allison Weaver, MD's MIPS final score?

The 2023 MIPS final score is 74.4 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.