Alexander Parker, MD
NPI 1366658361 · Psychiatry Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Parker, MD is a Psychiatry Physician provider in Ann Arbor, MI (NPI 1366658361).
Provider details
- NPI number
- 1366658361
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 252072 (NY)
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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Duloxetine Hcl | 53 |
| Buspirone Hcl | 37 |
| Escitalopram Oxalate | 36 |
| Quetiapine Fumarate | 34 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 31 |
| Diazepam | 31 |
| Clonazepam | 30 |
| Fluoxetine Hcl | 27 |
| Clozapine | 24 |
Practice location
Mailing address
Additional practice locations (1)
- 8623 N Wayne RdSuite 310Westland, MI 48185-1137Phone: (734) 425-0636Fax: (734) 425-4771
Registry dates
- Enumerated
- 2007-05-15
- Last updated
- 2024-07-02
- Certified
- 2024-07-02
Frequently asked questions
- What is Alexander Parker's NPI number?
- Alexander Parker's National Provider Identifier (NPI) is 1366658361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Parker's specialty?
- Alexander Parker is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Parker located?
- Alexander Parker's practice location on file with NPPES is 623 W Huron St, Ann Arbor, MI 48103-6712.
- What is Alexander Parker's phone number?
- The practice phone number listed in the NPPES registry for Alexander Parker is (734) 274-2632.
- Does Alexander Parker accept Medicare?
- Alexander Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Parker's NPI active?
- Yes — Alexander Parker's NPI (1366658361) is active in the NPPES registry as of the last update on 2024-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.