NPPES file of Aug 9, 2026

Laraine Lynn Washer, MD

Infectious Disease Physician · Ann Arbor, MI

Laraine Lynn Washer, MD is an infectious disease physician with a practice address in Ann Arbor, Michigan, and NPI 1356456339, issued on Aug 20, 2006. Check the license (Michigan 4301067940, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356456339
Name
Laraine Lynn Washer
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
4301067940 MI
Self-reported in NPPES; status is on the state search
Practice location
1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone
(734) 946-4000
Enumerated
Aug 20, 2006
Record last updated
Feb 21, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040723001177); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1996
Telehealth
Offers telehealth (CMS)
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 1500 E Medical Center Dr

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

  1. Bryan Aaron, MDObstetrics & Gynecology Physician1578307724
  2. Keith Aaronson, MDAdvanced Heart Failure and Transplant Cardiology Physician1144305301
  3. Rajani Aatre, M.S., M.SC.Genetic Counselor (M.S.)1962122457
  4. Anjelica Abate, MDDiagnostic Radiology Physician1841819216
  5. Nicole Abbott, CRNACertified Registered Nurse Anesthetist1790329860
  6. Ahmed Abdel-Latif, M.D.Interventional Cardiology Physician1518181239

Verify Laraine Lynn Washer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301067940
    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 Michigan license search

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59% fewer Medicare Part D claims than the average infectious disease physician in 2024

284 Medicare Part D claims for 65 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Laraine Washer284
  2. Specialty average689

Most prescribed

  1. Cephalexin31 claims
  2. Amoxicillin-Clavulanate Potass23 claims
  3. Meropenem21 claims
  4. Doxycycline Hyclate20 claims
  5. Daptomycin19 claims
  6. Ceftriaxone18 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.

Bills Medicare through one group practice

  1. Regents OF The University OF MichiganAnn Arbor, MI

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

Infectious Disease Physician providers in Michigan

There are 301 infectious disease physician records in Michigan.

Other infectious disease physician records in Michigan

  1. Mohammed Abdelhalim, MBCHBDearborn, MI1679197305
  2. Emily Abdoler, M.D.Ann Arbor, MI1033556410
  3. Hend Abdul-Jauwad, MB, BCH, BAOPlymouth, MI1205002102
  4. Elfatih Abter, MDLapeer, MI1255473534
  5. Fadi Abu Yasin, MDCanton, MI1417070590
  6. Syed Ahmad, M.D.Farmington Hills, MI1588819288
  7. Wael Al Zyud, MDRoyal Oak, MI1386568624
  8. Bishr Al-Ujayli, M.D.Rochester Hills, MI1790797355
  9. George Alangaden, MDDetroit, MI1194762799
  10. Owen Albin, MDAnn Arbor, MI1629414628

Common questions

What is Laraine Lynn Washer, MD's NPI number?

Laraine Lynn Washer, MD's National Provider Identifier (NPI) is 1356456339, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Laraine Lynn Washer, MD located?

The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 946-4000. Providers update this record themselves, so call before visiting.

How can I verify Laraine Lynn Washer, MD's license?

NPPES lists Michigan license number 4301067940, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Laraine Lynn Washer, MD prescribe under Medicare Part D?

In 2024, Laraine Lynn Washer, MD had 284 Medicare Part D claims for 65 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

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.