Michael Brian Peffer, PA
- Part D claims, 2024
- 35
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2018
- Practice address
- 1500 San Pablo Street, Los Angeles, CA 90033
- Practice phone
- Call (323) 442-8656
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Michael Peffer'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.
Michael Brian Peffer is a physician assistant in Los Angeles, California
Michael Peffer practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.
Michael Peffer's NPI, 1538652128, was assigned on June 8, 2018. Michael Peffer holds California license 55919.
- NPI
- 1538652128NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052653995
- NPI enumeration date
- June 8, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 442-8656
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael Brian Peffer practices at Keck Hospital of USC in Los Angeles, California
Michael Peffer's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.
- Keck Hospital of USC1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656
Source: Dmand AI Affiliation Data
Michael Brian Peffer is affiliated with 3 sites of care and 1 medical group
Michael Peffer's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. The medical group on file is USC Care Medical Group. Dmand AI also links Michael Peffer to 1 more group practice or clinic and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael Brian Peffer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Peffer practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Keck Hospital of USC | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael Brian Peffer is one of 11,482 physician assistants in California
Physician assistant is Michael Peffer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Peffer is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists arthritis, enthesopathy in arms, fibromyalgia and chronic pain, hand joint or tendon inflammation, joint arthropathy, joint pain, lower back pain and rotator cuff injury among the conditions Michael Peffer treats.
Physician assistants near Michael Peffer
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
Michael Brian Peffer's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Michael Peffer's median patient age at 55, with 49% women.
Michael Peffer'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
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Michael Brian Peffer wrote 35 Medicare Part D claims in 2024
In 2024, Michael Peffer wrote 35 Medicare Part D claims for 20 patients. 100% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $133 in total drug cost.
Michael Peffer'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 Michael Peffer's Part D claims, 2024
- Opioids43%15 of 35 claims
- Antibiotics37%13 of 35 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
How Michael Brian Peffer takes part in Medicare
Michael Peffer 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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Sources for Michael Brian Peffer'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Michael Brian Peffer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael Brian Peffer's NPI number?
Michael Brian Peffer's NPI number is 1538652128. It was assigned on June 8, 2018, and it is active in the NPI Registry.
What does Michael Brian Peffer specialize in?
Michael Brian Peffer is a physician assistant in Los Angeles, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael Brian Peffer practice?
Michael Peffer practices at 1500 San Pablo Street, Los Angeles, CA 90033. Michael Peffer's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Michael Peffer to 1 group practice or clinic and 1 urgent care center.
What is Michael Brian Peffer's office phone number?
The practice phone on file for Michael Peffer is (323) 442-8656.
What is Michael Brian Peffer's medical license number?
Michael Peffer holds California license 55919.
Which hospitals is Michael Brian Peffer affiliated with?
Michael Peffer practices at Keck Hospital of USC in Los Angeles, California.
What medical group is Michael Brian Peffer part of?
Michael Peffer is linked to USC Care Medical Group.
Does Michael Brian Peffer accept Medicare?
Yes. CMS lists Michael Peffer as accepting Medicare assignment.
What drugs does Michael Brian Peffer prescribe most?
In 2024 Medicare Part D data, Michael Peffer's most prescribed drugs by claims were Cephalexin.
How long has Michael Brian Peffer been practicing?
Michael Peffer graduated from medical school in 2018, 8 years ago.
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