Mark Lyman, MD
NPI 1871547695 · Anatomic Pathology & Clinical Pathology Physician · Silver Spring, MD
Enrolled with Medicare as Order and Referring Only - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Lyman, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Silver Spring, MD (NPI 1871547695).
Provider details
- NPI number
- 1871547695
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 23755 (NE)
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
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
- 2006-05-19
- Last updated
- 2025-06-11
- Certified
- 2025-06-11
Frequently asked questions
- What is Mark Lyman's NPI number?
- Mark Lyman's National Provider Identifier (NPI) is 1871547695, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lyman's specialty?
- Mark Lyman is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lyman located?
- Mark Lyman's practice location on file with NPPES is 606 Stephen Sitter Ave, Silver Spring, MD 20910-1290.
- What is Mark Lyman's phone number?
- The practice phone number listed in the NPPES registry for Mark Lyman is (301) 295-3776.
- Does Mark Lyman accept Medicare?
- Mark Lyman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Lyman's NPI active?
- Yes — Mark Lyman's NPI (1871547695) is active in the NPPES registry as of the last update on 2025-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.