Ruthann Zern, MD
NPI 1922081603 · Obstetrics & Gynecology Physician · Baltimore, MD
Ruthann Zern, MD is a Obstetrics & Gynecology Physician provider in Baltimore, MD (NPI 1922081603).
Provider details
- NPI number
- 1922081603
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D0030622 (MD)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 7801 York Rd Ste 133Towson, MD 21204-7451Phone: (410) 339-7451Fax: (410) 339-3684
Registry dates
- Enumerated
- 2005-11-27
- Last updated
- 2018-09-27
Frequently asked questions
- What is Ruthann Zern's NPI number?
- Ruthann Zern's National Provider Identifier (NPI) is 1922081603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruthann Zern's specialty?
- Ruthann Zern is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Ruthann Zern located?
- Ruthann Zern's practice location on file with NPPES is 7505 Osler Dr, Baltimore, MD 21204-7736.
- What is Ruthann Zern's phone number?
- The practice phone number listed in the NPPES registry for Ruthann Zern is (410) 339-7447.
- Is Ruthann Zern's NPI active?
- Yes — Ruthann Zern's NPI (1922081603) is active in the NPPES registry as of the last update on 2018-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.