Greg G. Altman, PA
- Part D claims, 2024
- 87
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Greg Altman'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.
Greg G. Altman is a physician assistant in Fontana, California
Greg Altman practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Greg Altman's NPI, 1538228267, was assigned on December 8, 2006. Greg Altman holds California license PA15989.
- NPI
- 1538228267NPI Registry (opens in a new tab)
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Greg G. Altman practices at Fontana Medical Center in Fontana, California
Greg Altman's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Greg G. Altman is affiliated with 1 site of care and 1 medical group
Greg Altman's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Greg G. Altman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Greg Altman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Greg G. Altman is one of 11,482 physician assistants in California
Physician assistant is Greg Altman's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Greg Altman is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Greg Altman
Counts of physician assistants 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
Greg G. Altman's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Greg Altman's median patient age at 51, with 55% women.
Greg Altman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
Greg G. Altman wrote 87 Medicare Part D claims in 2024
In 2024, Greg Altman wrote 87 Medicare Part D claims for 74 patients. 100% of them were for generic drugs. CMS names the drug for 58 of them, across 2 drugs with 11 or more claims each, at $671 in total drug cost.
Greg Altman's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Greg Altman's Part D claims, 2024
- Opioids66%57 of 87 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Greg G. Altman'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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 Greg G. Altman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Greg G. Altman's NPI number?
Greg G. Altman's NPI number is 1538228267. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What does Greg G. Altman specialize in?
Greg G. Altman is a physician assistant in Fontana, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Greg G. Altman practice?
Greg Altman practices at 9961 Sierra Ave, Fontana, CA 92335. Greg Altman's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Greg G. Altman's office phone number?
The practice phone on file for Greg Altman is (909) 427-5000.
What is Greg G. Altman's medical license number?
Greg Altman holds California license PA15989.
Which hospitals is Greg G. Altman affiliated with?
Greg Altman practices at Fontana Medical Center in Fontana, California.
What medical group is Greg G. Altman part of?
Greg Altman is linked to Southern California Permanente Medical Group.
What drugs does Greg G. Altman prescribe most?
In 2024 Medicare Part D data, Greg Altman's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Meloxicam.
How long has Greg G. Altman been practicing?
Greg Altman's NPI was assigned in 2006.
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