OrganizationActive
William H. Johnson, M.d.,p.a.
NPI 1609865153 · Nephrology Physician · Frederick, MD
William H. Johnson, M.d.,p.a. is a Nephrology Physician organization in Frederick, MD (NPI 1609865153).
Provider details
- NPI number
- 1609865153
- Entity type
- Organization
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Kristen Michael, Office Manager(301) 620-9899
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
140 Thomas Johnson Drive
Suite 202
Frederick, MD 21702-4402
Phone: (301) 620-9899
Street-level locationGet directions
Mailing address
140 Thomas Johnson Drive
Frederick, MD 21702-4402
Other names (DBA / former)
- Doing business as
- Kidney Center of Frederick/Hagerstown
Registry dates
- Enumerated
- 2005-10-18
- Last updated
- 2022-07-21
Frequently asked questions
- What is William H. Johnson, M.d.,p.a.'s NPI number?
- William H. Johnson, M.d.,p.a.'s National Provider Identifier (NPI) is 1609865153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William H. Johnson, M.d.,p.a.?
- William H. Johnson, M.d.,p.a. is classified in the NPPES registry as Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is William H. Johnson, M.d.,p.a. located?
- William H. Johnson, M.d.,p.a.'s practice location on file with NPPES is 140 Thomas Johnson Drive, Frederick, MD 21702-4402.
- What is William H. Johnson, M.d.,p.a.'s phone number?
- The practice phone number listed in the NPPES registry for William H. Johnson, M.d.,p.a. is (301) 620-9899.
- Who is the authorized official for William H. Johnson, M.d.,p.a.?
- The authorized official listed on William H. Johnson, M.d.,p.a.'s NPPES record is Kristen Michael, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William H. Johnson, M.d.,p.a.'s NPI active?
- Yes — William H. Johnson, M.d.,p.a.'s NPI (1609865153) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.