Dr. Peter A. Holtz, MD
- Medicare services, 2024
- 1,078
- Medicare patients, 2024
- 795
- MIPS score, 2024
- 85
- Hospital affiliations
- 2
- Medical groups
- 2
- Practice address
- 1225 S Grand Blvd, 3rd Floor, Saint Louis, MO 63104
- Practice phone
- Call (314) 617-2709
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SLUCare Physician Group Dermatology Pathology
Clinical Lab - Full Service · Saint Louis, Missouri
Find Dr. Holtz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Peter A. Holtz is a diagnostic radiologist in Saint Louis, Missouri
Dr. Holtz practices at SLUCare Physician Group Dermatology Pathology in Saint Louis, Missouri.
Dr. Holtz's NPI, 1154459915, was assigned on March 1, 2007. Dr. Holtz holds Missouri license 105926.
- NPI
- 1154459915NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840228409
- NPI enumeration date
- March 1, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 617-2709
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter A. Holtz practices at SLUCare Physician Group Dermatology Pathology in Saint Louis, Missouri
Dr. Holtz's primary practice is SLUCare Physician Group Dermatology Pathology, at 1225 S Grand Blvd, 3rd Floor, Saint Louis, MO 63104. The practice phone is (314) 617-2709.
- SLUCare Physician Group Dermatology Pathology1225 S Grand Blvd, 3rd Floor, Saint Louis, MO 63104Phone(314) 617-2709
Source: Dmand AI Affiliation Data
Dr. Peter A. Holtz is affiliated with 4 sites of care and 2 medical groups
Dr. Holtz's primary practice is SLUCare Physician Group Dermatology Pathology in Saint Louis, Missouri. Dr. Holtz is also affiliated with SSM Health St. Mary's Hospital - St. Louis. The medical group on file is SLUCare Physician Group. Dmand AI also links Dr. Holtz to 1 more hospital, 1 clinical lab and 1 medical group, each named with a free account. Dr. Holtz's employer is on file too: a clinical lab.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter A. Holtz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holtz practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SLUCare Physician Group Dermatology Pathology | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter A. Holtz is one of 679 diagnostic radiologists in Missouri
Diagnostic radiology is Dr. Holtz's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Holtz is licensed in Missouri.
Specialties and state licenses
- Diagnostic radiology, MissouriPrimary
Diagnostic radiologists near Dr. Holtz
Counts of diagnostic radiologists 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. Peter A. Holtz billed Medicare for 1,078 services in 2024
CMS data shows 1,078 Medicare services from Dr. Holtz across 28 procedure codes in 2024, for 795 Medicare patients. Medicare paid $21,804 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Holtz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,7242024: 1,07837%
Dr. Holtz compared with the Missouri median for diagnostic radiologists, 2024
- Dr. Holtz
- Missouri median
- Medicare services
- 1,078vs 2,41555% below
- Medicare patients
- 795vs 1,76055% below
Medians across 648 diagnostic radiologists in Missouri with Dmand AI profiles that report each measure.
Dr. Holtz'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Holtz and other diagnostic radiologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter A. Holtz treated 795 Medicare patients in 2024, average age 73
CMS counts 795 Medicare patients who saw Dr. Holtz in 2024. The largest group is 65 to 74, with 293 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 2.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Holtz's median patient age at 70, with 60% women.
Dr. Holtz's Medicare patients by age, 2024
Dr. Holtz's Medicare patients by sex, 2024
- Women46859%
- Men32741%
Chronic conditions among Dr. Holtz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Chronic kidney disease44%
- Mood disorders44%
- Depression41%
- Diabetes41%
- Ischemic heart disease40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holtz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter A. Holtz scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Holtz for performance year 2024, reported as part of a group. Dr. Holtz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Holtz's MIPS scores, performance year 2024
- 85of 100Final score
- 68.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Dr. Peter A. Holtz'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Peter A. Holtz
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. Peter A. Holtz's NPI number?
Dr. Peter A. Holtz's NPI number is 1154459915. It was assigned on March 1, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter A. Holtz?
Dr. Peter A. Holtz is a diagnostic radiologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Peter A. Holtz practice?
Dr. Holtz practices at 1225 S Grand Blvd, 3rd Floor, Saint Louis, MO 63104. Dr. Holtz's primary practice is SLUCare Physician Group Dermatology Pathology in Saint Louis, Missouri. Dmand AI also links Dr. Holtz to 1 hospital, 1 clinical lab and 1 medical group.
What is Dr. Peter A. Holtz's office phone number?
The practice phone on file for Dr. Holtz is (314) 617-2709.
What is Dr. Peter A. Holtz's medical license number?
Dr. Holtz holds Missouri license 105926.
Which hospitals is Dr. Peter A. Holtz affiliated with?
Dr. Holtz is affiliated with SSM Health St. Mary's Hospital - St. Louis. Dmand AI links Dr. Holtz to 1 more hospital.
What medical group is Dr. Peter A. Holtz part of?
Dr. Holtz is linked to SLUCare Physician Group. Dmand AI links Dr. Holtz to 1 more medical group.
Does Dr. Peter A. Holtz accept Medicare?
Yes. CMS data shows Dr. Holtz billed Medicare for 1,078 services in 2024, and Dr. Holtz accepts Medicare assignment.
What is Dr. Peter A. Holtz's MIPS score?
Dr. Holtz's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Peter A. Holtz see?
CMS counts 795 Medicare patients who saw Dr. Holtz in 2024, with an average age of 73.
What services does Dr. Peter A. Holtz bill to Medicare?
In 2024, Dr. Holtz's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (70450) and diagnostic imaging (71046).
How long has Dr. Peter A. Holtz been practicing?
Dr. Holtz graduated from medical school in 1991, 35 years ago.
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