IndividualActive
John Walkup, M.D.
NPI 1831125772 · Psychiatry Physician · Baltimore, MD
John Walkup, M.D. is a Psychiatry Physician provider in Baltimore, MD (NPI 1831125772).
Provider details
- NPI number
- 1831125772
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D37699 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
600 N Wolfe St
Baltimore, MD 21287-0005
Phone: (410) 955-5335
Street-level locationGet directions
Mailing address
Po Box 64260
Baltimore, MD 21264-4260
Registry dates
- Enumerated
- 2006-06-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Walkup's NPI number?
- John Walkup's National Provider Identifier (NPI) is 1831125772, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Walkup's specialty?
- John Walkup is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Walkup located?
- John Walkup's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is John Walkup's phone number?
- The practice phone number listed in the NPPES registry for John Walkup is (410) 955-5335.
- Is John Walkup's NPI active?
- Yes — John Walkup's NPI (1831125772) 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.