Mark Jennings, MD
NPI 1164682688 · Pulmonary Disease Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Jennings, MD is a Pulmonary Disease Physician provider in Baltimore, MD (NPI 1164682688).
Provider details
- NPI number
- 1164682688
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D75260 (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
18 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
Mailing address
Registry dates
- Enumerated
- 2008-06-10
- Last updated
- 2016-08-29
Frequently asked questions
- What is Mark Jennings's NPI number?
- Mark Jennings's National Provider Identifier (NPI) is 1164682688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Jennings's specialty?
- Mark Jennings is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Jennings located?
- Mark Jennings's practice location on file with NPPES is 1830 E Monument St, Baltimore, MD 21287-0020.
- What is Mark Jennings's phone number?
- The practice phone number listed in the NPPES registry for Mark Jennings is (410) 955-3467.
- Does Mark Jennings accept Medicare?
- Mark Jennings is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Jennings's NPI active?
- Yes — Mark Jennings's NPI (1164682688) is active in the NPPES registry as of the last update on 2016-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.