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John Northrop, MD, PHD
NPI 1538323191 · Psychiatry Physician · Philadelphia, PA
John Northrop, MD, PHD is a Psychiatry Physician provider in Philadelphia, PA (NPI 1538323191).
Provider details
- NPI number
- 1538323191
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- MD440411 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
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.
Practice location
3900 Woodland Ave
Philadelphia Vamc - Mental Health
Philadelphia, PA 19104-4551
Phone: (215) 823-5800
Street-level locationGet directions
Mailing address
Po Box 130
Lansdowne, PA 19050-0130
Registry dates
- Enumerated
- 2008-07-14
- Last updated
- 2024-11-21
- Certified
- 2024-11-21
Frequently asked questions
- What is John Northrop's NPI number?
- John Northrop's National Provider Identifier (NPI) is 1538323191, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Northrop's specialty?
- John Northrop is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Northrop located?
- John Northrop's practice location on file with NPPES is 3900 Woodland Ave, Philadelphia, PA 19104-4551.
- What is John Northrop's phone number?
- The practice phone number listed in the NPPES registry for John Northrop is (215) 823-5800.
- Is John Northrop's NPI active?
- Yes — John Northrop's NPI (1538323191) is active in the NPPES registry as of the last update on 2024-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.