John W. Ritter MD Inc.
NPI 1326305343 · Pain Medicine (Anesthesiology) Physician · Glendora, CA
John W. Ritter MD Inc. is a Pain Medicine (Anesthesiology) Physician organization in Glendora, CA (NPI 1326305343).
Provider details
- NPI number
- 1326305343
- Entity type
- Organization
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Ritter, President(626) 335-5452
- License
- A20970 (CA)
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
14 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
- 2012-04-16
- Last updated
- 2012-05-15
Frequently asked questions
- What is John W. Ritter MD Inc.'s NPI number?
- John W. Ritter MD Inc.'s National Provider Identifier (NPI) is 1326305343, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John W. Ritter MD Inc.?
- John W. Ritter MD Inc. is classified in the NPPES registry as Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is John W. Ritter MD Inc. located?
- John W. Ritter MD Inc.'s practice location on file with NPPES is 640 W Foothill Blvd Ste 101, Glendora, CA 91741-2456.
- What is John W. Ritter MD Inc.'s phone number?
- The practice phone number listed in the NPPES registry for John W. Ritter MD Inc. is (626) 335-5452.
- Who is the authorized official for John W. Ritter MD Inc.?
- The authorized official listed on John W. Ritter MD Inc.'s NPPES record is John Ritter, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John W. Ritter MD Inc.'s NPI active?
- Yes — John W. Ritter MD Inc.'s NPI (1326305343) is active in the NPPES registry as of the last update on 2012-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.