GERALD D. PEISER (D.O.) – Anesthesiology Physician, NPI 1003813643

GERALD D. PEISER (D.O.) is a healthcare provider. based in Phoenix, Arizona. specializing in ANESTHESIOLOGY. They hold the professional credentials D.O.. They hold a License No. 3815 (AZ). The NPI Number for GERALD D. PEISER (D.O.) is 1003813643

Main info

Male
Sole Proprietor
27 Years Of Experience
Accepts Medicare Assignment
Name
GERALD D. PEISER (D.O.)
NPI
1003813643
Phone
(602) 273-6770
Address
4441 E MCDOWELL RD
Enumeration Date
28 June 2005
Last Update Date
5 December 2007

Doctor Profile

Medical School Name
KANSAS CITY UNIVERSITY OF MED & BIOSCIENCES, COLLEGE OF OSTEO MED
Secondary Phone
6239235000
Graduation Year
1999 (27 years ago)
PAC ID
7911999313
Group Practice PAC ID
3971850892
Professional Enrollment ID
I20040402000814
Address ID
AZ850322112PH3929XRDXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

1,343 ANESTHESIOLOGY in AZ

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Provider Addresses for GERALD D. PEISER (D.O.)

  • East McDowell Road, Palms Trailer Park, Phoenix, Maricopa County, Arizona, 85006, United States

    # 101

    PHOENIX, AZ 850084503

    Phone: (602) 273-6770

    Fax: (602) 889-0489

    Type: Location

  • PO BOX 29211

    PHOENIX, AZ 850389211

    Phone: (602) 273-6770

    Fax: (602) 889-0489

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-04-02

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040402000814IAnesthesiologyAZTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 85008)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3971850892View full group profile
NameSpecialtyState
-TN
Certified Registered Nurse Anesthetist (Crna)AZ
Certified Registered Nurse Anesthetist (Crna)AZ
Certified Registered Nurse Anesthetist (Crna)FL
Certified Registered Nurse Anesthetist (Crna)AZ
Certified Registered Nurse Anesthetist (Crna)FL
Certified Registered Nurse Anesthetist (Crna)AZ
-AZ
Certified Registered Nurse Anesthetist (Crna)AZ
Certified Registered Nurse Anesthetist (Crna)NV

Reviews

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Frequently asked questions

Can I use this page to confirm GERALD D. PEISER (D.O.)'s NPI?
Yes. GERALD D. PEISER (D.O.) is listed with NPI 1003813643 in the public NPI dataset.
Is GERALD D. PEISER (D.O.) still practicing?
GERALD D. PEISER (D.O.) is currently listed as active in the public NPI registry.
What is GERALD D. PEISER (D.O.) best known for clinically?
Directory data describes GERALD D. PEISER (D.O.) with Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
Does GERALD D. PEISER (D.O.) list a practice location?
Patients near Phoenix, Arizona may find GERALD D. PEISER (D.O.) in results; validate coverage separately.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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