Brendan Greer, MD
NPI 1831105535 · Psychiatry Physician · Philadelphia, PA
Brendan Greer, MD is a Psychiatry Physician provider in Philadelphia, PA (NPI 1831105535).
Provider details
- NPI number
- 1831105535
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD053567L (PA)
Specialties & taxonomies
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
1 documented practice location
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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 82 | 14 |
| Bupropion Hclbrand: Bupropion Xl | 44 | — |
| Methylphenidate Hcl | 38 | — |
| Lorazepam | 37 | — |
| Lamotrigine | 26 | — |
| Aripiprazole | 24 | — |
| Mirtazapine | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Brendan Greer's NPI number?
- Brendan Greer's National Provider Identifier (NPI) is 1831105535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brendan Greer's specialty?
- Brendan Greer is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Brendan Greer located?
- Brendan Greer's practice location on file with NPPES is 4025 Chestnut St, Philadelphia, PA 19104-3054.
- What is Brendan Greer's phone number?
- The practice phone number listed in the NPPES registry for Brendan Greer is (215) 382-6680.
- Is Brendan Greer's NPI active?
- Yes — Brendan Greer's NPI (1831105535) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.