Gerald D Peiser DO PC
NPI 1386866960 · Anesthesiology Physician · Phoenix, AZ
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerald D Peiser DO PC is a Anesthesiology Physician organization in Phoenix, AZ (NPI 1386866960).
Provider details
- NPI number
- 1386866960
- Entity type
- Organization
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gerald Peiser, Owner(602) 273-6770
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
19 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
- 2007-05-03
- Last updated
- 2008-01-25
Frequently asked questions
- What is Gerald D Peiser DO PC's NPI number?
- Gerald D Peiser DO PC's National Provider Identifier (NPI) is 1386866960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gerald D Peiser DO PC?
- Gerald D Peiser DO PC is classified in the NPPES registry as Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald D Peiser DO PC located?
- Gerald D Peiser DO PC's practice location on file with NPPES is 4441 E Mcdowell Rd, Phoenix, AZ 85008-4503.
- What is Gerald D Peiser DO PC's phone number?
- The practice phone number listed in the NPPES registry for Gerald D Peiser DO PC is (602) 273-6770.
- Does Gerald D Peiser DO PC accept Medicare?
- Gerald D Peiser DO PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Gerald D Peiser DO PC?
- The authorized official listed on Gerald D Peiser DO PC's NPPES record is Gerald Peiser, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gerald D Peiser DO PC's NPI active?
- Yes — Gerald D Peiser DO PC's NPI (1386866960) is active in the NPPES registry as of the last update on 2008-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.