Dr. Ali Nassiri, DO
- Medicare services, 2021
- 51
- Part D claims, 2024
- 13
- Industry payments
- $576
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 3240 N Garey Ave, Pomona, CA 91767
- Practice phone
- Call (877) 201-7377
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prime One Care LLC
Pomona, California
Find Dr. Nassiri'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. Ali Nassiri is an anesthesiologist in Pomona, California
Dr. Nassiri practices at Prime One Care LLC in Pomona, California.
Dr. Nassiri's NPI, 1831367762, was assigned on February 13, 2008. Dr. Nassiri graduated from WesternU College of Osteopathic Medicine of the Pacific in 2004. Dr. Nassiri holds California license 20A9369.
- NPI
- 1831367762NPI Registry (opens in a new tab)
- NPI enumeration date
- February 13, 2008
- NPI status
- Active
- Practice phone
- (877) 201-7377
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Ali Nassiri practices at Prime One Care LLC in Pomona, California
Dr. Nassiri's primary practice is Prime One Care LLC, at 3240 N Garey Ave, Pomona, CA 91767 in Los Angeles County. The practice phone is (877) 201-7377.
- Prime One Care LLC3240 N Garey Ave, Pomona, CA 91767 · Los Angeles CountyPhone(877) 201-7377
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ali Nassiri is affiliated with 2 sites of care
Dr. Nassiri's primary practice is Prime One Care LLC in Pomona, California. Dmand AI also links Dr. Nassiri to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ali Nassiri's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nassiri practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prime One Care LLC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ali Nassiri is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Nassiri's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Nassiri is board certified in addiction medicine (caq) by the AOA Board of Anesthesiology. Dr. Nassiri is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Nassiri
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. Ali Nassiri billed Medicare for 51 services in 2021
CMS data shows 51 Medicare services from Dr. Nassiri across 1 procedure code in 2021. Medicare paid $5,128 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nassiri's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Anesthesia
- 2020: 452021: 5113%
Dr. Nassiri compared with the California median for anesthesiologists, 2021
- Dr. Nassiri
- California median
- Medicare services
- 51vs 7229% below
- Part D claims
- 23vs 23Close to median
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Nassiri's most billed Medicare procedure codes, 2021
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. Nassiri and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ali Nassiri's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Nassiri's median patient age at 66, with 67% women.
Dr. Nassiri's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Ali Nassiri wrote 13 Medicare Part D claims in 2024
In 2024, Dr. Nassiri wrote 13 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $839 in total drug cost. In 2022, CMS named 11 claims across 1 drug.
Dr. Nassiri's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 112023: 23109%
Drugs named by CMS: 2 in 2023, 1 in 2022.
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
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Dr. Ali Nassiri received $576 in industry payments from 2016 to 2019
CMS Open Payments shows 18 general payments to Dr. Nassiri from 7 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $202.
General payments to Dr. Nassiri by program year, 2016 to 2019
Companies that paid Dr. Nassiri the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ali Nassiri graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Nassiri graduated from WesternU College of Osteopathic Medicine of the Pacific in 2004. Dr. Nassiri is a member of AOA.
- Medical school
- Board certified in addiction medicine (caq)
- Board certified in anesthesiology
- Board certified in 2005 - 2027
Source: Dmand AI Professional Profile Data
Sources for Dr. Ali Nassiri'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 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) |
| 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. Ali Nassiri
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. Ali Nassiri's NPI number?
Dr. Ali Nassiri's NPI number is 1831367762. It was assigned on February 13, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Ali Nassiri?
Dr. Ali Nassiri is an anesthesiologist in Pomona, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Ali Nassiri practice?
Dr. Nassiri practices at 3240 N Garey Ave, Pomona, CA 91767. Dr. Nassiri's primary practice is Prime One Care LLC in Pomona, California. Dmand AI also links Dr. Nassiri to 1 physician office.
What is Dr. Ali Nassiri's office phone number?
The practice phone on file for Dr. Nassiri is (877) 201-7377.
What is Dr. Ali Nassiri's medical license number?
Dr. Nassiri holds California license 20A9369.
Does Dr. Ali Nassiri accept Medicare?
Yes. CMS data shows Dr. Nassiri billed Medicare for 51 services in 2021.
Is Dr. Ali Nassiri board certified?
Yes. Dr. Nassiri is board certified in addiction medicine (caq) by the AOA Board of Anesthesiology.
What services does Dr. Ali Nassiri bill to Medicare?
In 2021, Dr. Nassiri's most billed Medicare services were anesthesia (00142).
Where did Dr. Ali Nassiri go to medical school?
Dr. Nassiri graduated from WesternU College of Osteopathic Medicine of the Pacific in 2004.
What drugs does Dr. Ali Nassiri prescribe most?
In 2023 Medicare Part D data, Dr. Nassiri's most prescribed drugs by claims were Diazepam and Buprenorphine HCl.
Has Dr. Ali Nassiri received payments from drug or device companies?
CMS Open Payments shows $576 in general payments to Dr. Nassiri from 7 companies from 2016 to 2019. The largest total came from Alkermes, Inc.
How long has Dr. Ali Nassiri been practicing?
Dr. Nassiri graduated from medical school in 2004, 22 years ago.
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