OrganizationActive
Timothy S. Johnston, M.D. PC
NPI 1972483493 · Otolaryngology Physician · Merced, CA
Timothy S. Johnston, M.D. PC is a Otolaryngology Physician organization in Merced, CA (NPI 1972483493).
Provider details
- NPI number
- 1972483493
- Entity type
- Organization
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Timothy S. Johnston, M.D. PC
- Organization subpart
- Yes
- Authorized official
- Janette Purslow, Credentialing Coordinator(209) 349-8459
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
410 E Yosemite Ave Ste B
Merced, CA 95340-8220
Phone: (209) 934-8077
Street-level locationGet directions
Mailing address
3349 G St Ste F
Merced, CA 95340-0978
Other names (DBA / former)
- Doing business as
- Yosemite Ent
Registry dates
- Enumerated
- 2025-09-04
- Last updated
- 2025-11-03
- Certified
- 2025-11-03
Frequently asked questions
- What is Timothy S. Johnston, M.D. PC's NPI number?
- Timothy S. Johnston, M.D. PC's National Provider Identifier (NPI) is 1972483493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Timothy S. Johnston, M.D. PC?
- Timothy S. Johnston, M.D. PC is classified in the NPPES registry as Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy S. Johnston, M.D. PC located?
- Timothy S. Johnston, M.D. PC's practice location on file with NPPES is 410 E Yosemite Ave Ste B, Merced, CA 95340-8220.
- What is Timothy S. Johnston, M.D. PC's phone number?
- The practice phone number listed in the NPPES registry for Timothy S. Johnston, M.D. PC is (209) 934-8077.
- Who is the authorized official for Timothy S. Johnston, M.D. PC?
- The authorized official listed on Timothy S. Johnston, M.D. PC's NPPES record is Janette Purslow, Credentialing Coordinator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Timothy S. Johnston, M.D. PC's NPI active?
- Yes — Timothy S. Johnston, M.D. PC's NPI (1972483493) is active in the NPPES registry as of the last update on 2025-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.