John Carr, M.D.
NPI 1992956601 · Addiction Psychiatry Physician · Silver Spring, MD
John Carr, M.D. is a Addiction Psychiatry Physician provider in Silver Spring, MD (NPI 1992956601).
Provider details
- NPI number
- 1992956601
- Entity type
- Individual
- Primary specialty
- Addiction Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D45444 (MD)
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
17 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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 90 | 11 |
| Clonazepam | 72 | — |
| Gabapentin | 59 | 15 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 47 | — |
| Escitalopram Oxalate | 47 | 12 |
| Lorazepam | 43 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-10-01
- Last updated
- 2008-10-01
Frequently asked questions
- What is John Carr's NPI number?
- John Carr's National Provider Identifier (NPI) is 1992956601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Carr's specialty?
- John Carr is listed in the NPPES registry with a primary specialty of Addiction Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Carr located?
- John Carr's practice location on file with NPPES is 1003 Spring St, Silver Spring, MD 20910-4016.
- What is John Carr's phone number?
- The practice phone number listed in the NPPES registry for John Carr is (301) 589-0255.
- Is John Carr's NPI active?
- Yes — John Carr's NPI (1992956601) is active in the NPPES registry as of the last update on 2008-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.