John Ohsann, PA-C
NPI 1508379199 · Physician Assistant · Frederick, MD
John Ohsann, PA-C is a Physician Assistant provider in Frederick, MD (NPI 1508379199).
Provider details
- NPI number
- 1508379199
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- C0006814 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Mailing address
Additional practice locations (2)
- 998 Divisadero St Apt 105San Francisco, CA 94115-4403Phone: (804) 502-8986
- 196 Thomas Johnson Dr Ste 120Frederick, MD 21702-4521Phone: (240) 566-3130
Registry dates
- Enumerated
- 2017-11-06
- Last updated
- 2021-01-28
- Certified
- 2021-01-09
Frequently asked questions
- What is John Ohsann's NPI number?
- John Ohsann's National Provider Identifier (NPI) is 1508379199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ohsann's specialty?
- John Ohsann is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Ohsann located?
- John Ohsann's practice location on file with NPPES is 110 Baughmans Ln Ste 140, Frederick, MD 21702-4649.
- What is John Ohsann's phone number?
- The practice phone number listed in the NPPES registry for John Ohsann is (240) 215-1138.
- Is John Ohsann's NPI active?
- Yes — John Ohsann's NPI (1508379199) is active in the NPPES registry as of the last update on 2021-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.