Laraine Washer, MD
NPI 1356456339 · Infectious Disease Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Laraine Washer, MD is a Infectious Disease Physician provider in Ann Arbor, MI (NPI 1356456339).
Provider details
- NPI number
- 1356456339
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301067940 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
135 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 29 | $128 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 29 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $66 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 23 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $98 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 31 | 14 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 23 | 11 |
| Meropenem | 21 | — |
| Doxycycline Hyclate | 20 | — |
| Daptomycin | 19 | — |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 18 | — |
| Vancomycin Hcl | 14 | — |
| Azithromycin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2020-02-21
- Certified
- 2020-02-21
Frequently asked questions
- What is Laraine Washer's NPI number?
- Laraine Washer's National Provider Identifier (NPI) is 1356456339, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Laraine Washer's specialty?
- Laraine Washer is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Laraine Washer located?
- Laraine Washer's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Laraine Washer's phone number?
- The practice phone number listed in the NPPES registry for Laraine Washer is (734) 946-4000.
- Does Laraine Washer accept Medicare?
- Laraine Washer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Laraine Washer's NPI active?
- Yes — Laraine Washer's NPI (1356456339) is active in the NPPES registry as of the last update on 2020-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.