Dr. Gerald D. Peiser, DO
- Medicare services, 2024
- 15
- Medicare patients, 2024
- 74
- Hospital affiliations
- 1
- Industry payments
- $36
- Medical groups
- 18
- Practice address
- 240 West Thomas Road, Suite A, Phoenix, AZ 85013
- Practice phone
- Call (602) 406-3552
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Joseph's Outpatient Surgery Center
Surgery Center - Medicare-Certified · Phoenix, Arizona
Find Dr. Peiser's professional email, personal email and mobile number
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Dr. Gerald D. Peiser is an anesthesiologist in Phoenix, Arizona
Dr. Peiser practices at St. Joseph's Outpatient Surgery Center in Phoenix, Arizona.
Dr. Peiser's NPI, 1003813643, was assigned on June 28, 2005. Dr. Peiser graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1999. Dr. Peiser holds Arizona license 3815.
- NPI
- 1003813643NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911999313
- NPI enumeration date
- June 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 406-3552
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gerald D. Peiser practices at St. Joseph's Outpatient Surgery Center in Phoenix, Arizona
Dr. Peiser's primary practice is St. Joseph's Outpatient Surgery Center, at 240 West Thomas Road, Suite A, Phoenix, AZ 85013. The practice phone is (602) 406-3552.
- St. Joseph's Outpatient Surgery Center240 West Thomas Road, Suite A, Phoenix, AZ 85013Phone(602) 406-3552
Source: Dmand AI Affiliation Data
Dr. Gerald D. Peiser is affiliated with 21 sites of care and 18 medical groups
Dr. Peiser's primary practice is St. Joseph's Outpatient Surgery Center in Phoenix, Arizona. Dr. Peiser is also affiliated with HonorHealth John C. Lincoln Medical Center. The medical group on file is Valley Anesthesiology Consultants. Dmand AI also links Dr. Peiser to 18 more group practices and clinics, 17 medical groups and 1 physician office, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gerald D. Peiser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Peiser practices, 21 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Joseph's Outpatient Surgery Center | Available with a free account |
| +20 more sites and 17 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gerald D. Peiser is one of 1,244 anesthesiologists in Arizona
Anesthesiology is Dr. Peiser's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Peiser is licensed in Arizona.
Specialties and state licenses
- Anesthesiology, ArizonaPrimary
Anesthesiologists near Dr. Peiser
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gerald D. Peiser billed Medicare for 15 services in 2024
CMS data shows 15 Medicare services from Dr. Peiser across 1 procedure code in 2024, for 74 Medicare patients. Medicare paid $2,647 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Peiser's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Anesthesia
- 2022: 242024: 1538%
Dr. Peiser compared with the Arizona median for anesthesiologists, 2024
- Dr. Peiser
- Arizona median
- Medicare services
- 15vs 7279% below
- Medicare patients
- 74vs 13344% below
Medians across 1,218 anesthesiologists in Arizona with Dmand AI profiles that report each measure.
Dr. Peiser's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Peiser?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Peiser and other anesthesiologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gerald D. Peiser treated 74 Medicare patients in 2024, average age 72
CMS counts 74 Medicare patients who saw Dr. Peiser in 2024. The largest group is 65 to 74, with 36 patients. 69% of them have arthritis, and 68% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Peiser's median patient age at 55, with 53% women.
Dr. Peiser's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Peiser's Medicare patients by sex, 2024
- Women3446%
- Men4054%
Chronic conditions among Dr. Peiser's Medicare patients, 2024
- Arthritis69%
- High cholesterol68%
- High blood pressure66%
- Mood disorders41%
- Depression36%
- Anxiety30%
- Diabetes30%
- Ischemic heart disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Peiser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Gerald D. Peiser takes part in Medicare
Dr. Peiser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gerald D. Peiser received $36 in industry payments in 2025
CMS Open Payments shows 2 general payments to Dr. Peiser from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $20.
Companies that paid Dr. Peiser the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gerald D. Peiser graduated from Kansas City University of Med & Biosciences, College of Osteo Med
Dr. Peiser graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gerald D. Peiser's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gerald D. Peiser
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gerald D. Peiser's NPI number?
Dr. Gerald D. Peiser's NPI number is 1003813643. It was assigned on June 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gerald D. Peiser?
Dr. Gerald D. Peiser is an anesthesiologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Gerald D. Peiser practice?
Dr. Peiser practices at 240 West Thomas Road, Suite A, Phoenix, AZ 85013. Dr. Peiser's primary practice is St. Joseph's Outpatient Surgery Center in Phoenix, Arizona. Dmand AI also links Dr. Peiser to 18 group practices and clinics, 17 medical groups and 1 physician office.
What is Dr. Gerald D. Peiser's office phone number?
The practice phone on file for Dr. Peiser is (602) 406-3552.
What is Dr. Gerald D. Peiser's medical license number?
Dr. Peiser holds Arizona license 3815.
Which hospitals is Dr. Gerald D. Peiser affiliated with?
Dr. Peiser is affiliated with HonorHealth John C. Lincoln Medical Center.
What medical group is Dr. Gerald D. Peiser part of?
Dr. Peiser is linked to Valley Anesthesiology Consultants. Dmand AI links Dr. Peiser to 17 more medical groups.
Does Dr. Gerald D. Peiser accept Medicare?
Yes. CMS data shows Dr. Peiser billed Medicare for 15 services in 2024, and Dr. Peiser accepts Medicare assignment.
How many Medicare patients does Dr. Gerald D. Peiser see?
CMS counts 74 Medicare patients who saw Dr. Peiser in 2024, with an average age of 72.
What services does Dr. Gerald D. Peiser bill to Medicare?
In 2024, Dr. Peiser's most billed Medicare services were anesthesia (00300).
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Where did Dr. Gerald D. Peiser go to medical school?
Dr. Peiser graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 1999.
Has Dr. Gerald D. Peiser received payments from drug or device companies?
CMS Open Payments shows $36 in general payments to Dr. Peiser from 2 companies from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Gerald D. Peiser been practicing?
Dr. Peiser graduated from medical school in 1999, 27 years ago.
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