Robert Buchanan, M.D.
NPI 1649233727 · Psychiatry Physician · Catonsville, MD
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Buchanan, M.D. is a Psychiatry Physician provider in Catonsville, MD (NPI 1649233727).
Provider details
- NPI number
- 1649233727
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0030807 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clozapine | 141 |
| Lorazepam | 50 |
| Sertraline Hcl | 38 |
| Trazodone Hcl | 30 |
| Ziprasidone Hcl | 29 |
| Paroxetine Hcl | 26 |
| Aripiprazole | 26 |
| Bupropion Hclbrand: Bupropion Xl | 25 |
| Glycopyrrolate | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,650 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-10
- Last updated
- 2011-10-28
Frequently asked questions
- What is Robert Buchanan's NPI number?
- Robert Buchanan's National Provider Identifier (NPI) is 1649233727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Buchanan's specialty?
- Robert Buchanan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Buchanan located?
- Robert Buchanan's practice location on file with NPPES is Spring Grove Hospital Grounds, Catonsville, MD 21228.
- What is Robert Buchanan's phone number?
- The practice phone number listed in the NPPES registry for Robert Buchanan is (410) 402-7876.
- Does Robert Buchanan accept Medicare?
- Robert Buchanan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Buchanan's NPI active?
- Yes — Robert Buchanan's NPI (1649233727) is active in the NPPES registry as of the last update on 2011-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.