Registry data as of Aug 27, 2026

Allen Geltzer, M.D.

Internal Medicine Physician · Bellevue, WA

Allen Geltzer, M.D. is an internal medicine physician with a practice address in Bellevue, Washington, and NPI 1497775928, issued on Jul 20, 2006. Check the license (Washington MD00036247, as entered in NPPES) on the Washington Medical Commission; 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
1497775928
Name
Allen Geltzer
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD00036247 WA
Self-reported in NPPES; status is on the state search
Practice location
1407 116TH Ave NE, Bellevue, WA 98004
Phone
(425) 450-5046
Enumerated
Jul 20, 2006
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 1407 116TH Ave NE

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

  1. Renu Chawla, MDInternal Medicine Physician1285634790
  2. Jill Enright, M.D.Internal Medicine Physician1740240340
  3. Hui Hong, M.D.Internal Medicine Physician1114940970
  4. Stephanie Kent, L.M.P.Massage Therapist1952841694
  5. Joseph Lee, M.D.Internal Medicine Physician1922026582
  6. Lekha Madhavan, M.D.Internal Medicine Physician1235283979

Verify Allen Geltzer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00036247
    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 Washington 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.

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

5,661 Medicare Part D claims for 695 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Allen Geltzer5,661
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium545 claims
  2. Irbesartan254 claims
  3. Amlodipine Besylate246 claims
  4. Levothyroxine Sodium235 claims
  5. Losartan Potassium232 claims
  6. Lisinopril227 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 Medicare quality score for 2023: 79.2 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 score74.5
  2. Costout of 100 · 30%56.0
  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, group reporting; category weights for 2023 (qpp.cms.gov).

3 hospital and facility affiliations

  1. Overlake Medical Clinics LLCBellevue, WA
  2. Select Outpatient Services IncGlenview, IL
  3. Select Rehabilitation, LLCGlenview, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

130 internal medicine physician records list a Bellevue practice address

They are 130 of the 6,738 NPPES records with a Bellevue practice address, and 3,888 internal medicine physician records in Washington.

Other internal medicine physician records in Washington

  1. Sheida Aalami, M.D.Seattle, WA1730573296
  2. Barry Aaronson, MDSeattle, WA1952418345
  3. Gloria AbacanProsser, WA1316040298
  4. Rebecca AbaySeattle, WA1528565520
  5. Naseer Abbas, MDTacoma, WA1962769380
  6. Joel Abbott, D.O.Tacoma, WA1477752723
  7. Jesse Abbott Klafter, M.D.Renton, WA1225394935
  8. Paul Abdallah, MDSeattle, WA1639166119
  9. Abir Abdel-Kader, MDRichland, WA1649407081
  10. Hussein Abdille, MDSeattle, WA1588368831

Common questions

What is Allen Geltzer, M.D.'s NPI number?

Allen Geltzer, M.D.'s National Provider Identifier (NPI) is 1497775928, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Allen Geltzer, M.D. located?

The NPPES record lists a practice address at 1407 116TH Ave NE, Bellevue, WA, 98004. Phone: (425) 450-5046. Providers update this record themselves, so call before visiting.

How can I verify Allen Geltzer, M.D.'s license?

NPPES lists Washington license number MD00036247, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Allen Geltzer, M.D. prescribe under Medicare Part D?

In 2024, Allen Geltzer, M.D. had 5,661 Medicare Part D claims for 695 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Allen Geltzer, M.D.'s Medicare quality score?

The 2023 MIPS final score is 79.2 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), 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.