Mark Johnson, MD, PC
NPI 1205457124 · Health Service Clinic/Center · Silver Spring, MD
Mark Johnson, MD, PC is a Health Service Clinic/Center organization in Silver Spring, MD (NPI 1205457124).
Provider details
- NPI number
- 1205457124
- Entity type
- Organization
- Primary specialty
- Health Service Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Mark Johnson, Owner(240) 641-5806
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
Other names (DBA / former)
- Doing business as
- Mark Johnson, MD, PC
- Doing business as
- Mark Johnson, MD, PC
Registry dates
- Enumerated
- 2020-05-01
- Last updated
- 2020-05-27
- Certified
- 2020-05-27
Frequently asked questions
- What is Mark Johnson, MD, PC's NPI number?
- Mark Johnson, MD, PC's National Provider Identifier (NPI) is 1205457124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Johnson, MD, PC?
- Mark Johnson, MD, PC is classified in the NPPES registry as Health Service Clinic/Center (Ambulatory Health Care Facilities).
- Where is Mark Johnson, MD, PC located?
- Mark Johnson, MD, PC's practice location on file with NPPES is 10801 Lockwood Dr Ste 285, Silver Spring, MD 20901-1556.
- What is Mark Johnson, MD, PC's phone number?
- The practice phone number listed in the NPPES registry for Mark Johnson, MD, PC is (240) 641-5806.
- Who is the authorized official for Mark Johnson, MD, PC?
- The authorized official listed on Mark Johnson, MD, PC's NPPES record is Mark Johnson, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Johnson, MD, PC's NPI active?
- Yes — Mark Johnson, MD, PC's NPI (1205457124) is active in the NPPES registry as of the last update on 2020-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.