William Zipperer, D.O.
NPI 1306883335 · Internal Medicine Physician · Mesa, AZ
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Zipperer, D.O. is a Internal Medicine Physician provider in Mesa, AZ (NPI 1306883335).
Provider details
- NPI number
- 1306883335
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2291 (AZ)
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
- 2006-05-31
- Last updated
- 2015-10-15
Frequently asked questions
- What is William Zipperer's NPI number?
- William Zipperer's National Provider Identifier (NPI) is 1306883335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Zipperer's specialty?
- William Zipperer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Zipperer located?
- William Zipperer's practice location on file with NPPES is 1663 E Huber St, Mesa, AZ 85203-3930.
- What is William Zipperer's phone number?
- The practice phone number listed in the NPPES registry for William Zipperer is (480) 250-4358.
- Does William Zipperer accept Medicare?
- William Zipperer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Zipperer's NPI active?
- Yes — William Zipperer's NPI (1306883335) is active in the NPPES registry as of the last update on 2015-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.