James Borthwick, MD
NPI 1366655052 · Psychiatry Physician · Princeton, NJ
James Borthwick, MD is a Psychiatry Physician provider in Princeton, NJ (NPI 1366655052).
Provider details
- NPI number
- 1366655052
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA07660800 (NJ)
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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bupropion Hclbrand: Bupropion Xl | 57 | — |
| Clonazepam | 52 | 14 |
| Lamotrigine | 41 | — |
| Zolpidem Tartrate | 39 | — |
| Diazepam | 38 | — |
| Escitalopram Oxalate | 38 | — |
| Alprazolam | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Borthwick's NPI number?
- James Borthwick's National Provider Identifier (NPI) is 1366655052, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Borthwick's specialty?
- James Borthwick is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is James Borthwick located?
- James Borthwick's practice location on file with NPPES is 166 Bunn Dr, Princeton, NJ 08540-2800.
- What is James Borthwick's phone number?
- The practice phone number listed in the NPPES registry for James Borthwick is (609) 688-9800.
- Is James Borthwick's NPI active?
- Yes — James Borthwick's NPI (1366655052) 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.