Dr. James A. Nassiri, MA, MD
- Medicare services, 2024
- 549
- Medicare patients, 2024
- 148
- Part D claims, 2024
- 361
- Industry payments
- $5,508
- Affiliated sites
- 2
- Practice address
- 435 N Bedford Dr, Beverly Hills, CA 90210
- Practice phone
- Call (310) 974-8767
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pacific Coast Ambulatory Surgery Center
Beverly Hills, California
Find Dr. Nassiri's professional email, personal email and mobile number
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Dr. James A. Nassiri is an anesthesiologist in Beverly Hills, California
Dr. Nassiri practices at Pacific Coast Ambulatory Surgery Center in Beverly Hills, California.
Dr. Nassiri's NPI, 1225164999, was assigned on February 26, 2007. Dr. Nassiri graduated from Boston University School Of Medicine in 2001. Dr. Nassiri's California license number on file is A86743.
- NPI
- 1225164999NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769583590
- NPI enumeration date
- February 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 974-8767
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James A. Nassiri practices at Pacific Coast Ambulatory Surgery Center in Beverly Hills, California
Dr. Nassiri's primary practice is Pacific Coast Ambulatory Surgery Center, at 435 N Bedford Dr, Beverly Hills, CA 90210 in Los Angeles County. The practice phone is (310) 974-8767.
- Pacific Coast Ambulatory Surgery Center435 N Bedford Dr, Beverly Hills, CA 90210 · Los Angeles CountyPhone(310) 974-8767
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James A. Nassiri is affiliated with 3 sites of care
Dr. Nassiri's primary practice is Pacific Coast Ambulatory Surgery Center in Beverly Hills, California. Dmand AI also links Dr. Nassiri to 2 physician offices, each 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. James A. Nassiri's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nassiri practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pacific Coast Ambulatory Surgery Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James A. 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 anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Nassiri's licenses on file in 3 states: California, Arizona and Hawaii.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Arizona license
- Hawaii license
Clinical focus
Dmand AI lists back pain injection, lower back pain, neck pain and spine problems and thoracic spine disorders among the conditions Dr. Nassiri treats.
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. James A. Nassiri billed Medicare for 549 services in 2024
CMS data shows 549 Medicare services from Dr. Nassiri across 14 procedure codes in 2024, for 148 Medicare patients. Medicare paid $51,739 for them.
Dr. Nassiri's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2692024: 39446%
- Surgery
- 2023: 552024: 155182%
- Tests and treatments
- 2023: 282024: 0100%
Where Dr. Nassiri's Medicare services took place, 2024
- In an office39472%
- In a facility15528%
Dr. Nassiri compared with the California median for anesthesiologists, 2024
- Dr. Nassiri
- California median
- Medicare services
- 549vs 727.6 times
- Medicare patients
- 148vs 143Close to median
- Part D claims
- 316vs 2313.7 times
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Nassiri'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. Nassiri?
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. James A. Nassiri treated 148 Medicare patients in 2024, average age 75
CMS counts 148 Medicare patients who saw Dr. Nassiri in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have arthritis, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nassiri's median patient age at 58, with 50% women.
Dr. Nassiri's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nassiri's Medicare patients by sex, 2024
- Women8960%
- Men5940%
Chronic conditions among Dr. Nassiri's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure68%
- Ischemic heart disease43%
- Osteoporosis34%
- Anxiety28%
- Mood disorders27%
- Diabetes26%
Share of Medicare patients with each condition. A patient can have several.
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 58
Patient panel by sex, all payers
- Women50%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James A. Nassiri wrote 361 Medicare Part D claims in 2024
In 2024, Dr. Nassiri wrote 361 Medicare Part D claims for 80 patients. 100% of them were for generic drugs. CMS names the drug for 316 of them, across 11 drugs with 11 or more claims each, at $7,099 in total drug cost. In 2023, CMS named 349 claims across 9 drugs.
Dr. Nassiri's Part D claims by kind of drug, 2024
- Generic360 claims100%
- Brand-name and other1 claims0%
Dr. Nassiri'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 Dr. Nassiri's Part D claims, 2024
- Opioids51%185 of 361 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3492024: 3169%
Drugs named by CMS: 11 in 2024, 9 in 2023.
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
Dr. James A. Nassiri offers telehealth to Medicare patients
Dr. Nassiri accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nassiri as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. James A. Nassiri received $5,508 in industry payments from 2016 to 2025
CMS Open Payments shows 88 general payments to Dr. Nassiri from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 59% of the total. Abbott Laboratories paid the most, $2,335.
General payments to Dr. Nassiri by program year, 2016 to 2025
General payments to Dr. Nassiri by kind, 2016 to 2025
- Food and beverage$3,26559%
- Travel and lodging$2,24341%
Companies that paid Dr. Nassiri the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James A. Nassiri graduated from Boston University School Of Medicine
Dr. Nassiri graduated from Boston University School Of Medicine in 2001.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. James A. Nassiri accepts plans from 16 insurance carriers
Dr. Nassiri is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- LA Care
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Nassiri accepts, by number of carriers
- PPO9
- HMO8
- Medicare7
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. James A. 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. James A. 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. James A. Nassiri's NPI number?
Dr. James A. Nassiri's NPI number is 1225164999. It was assigned on February 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. James A. Nassiri?
Dr. James A. Nassiri is an anesthesiologist in Beverly Hills, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. James A. Nassiri practice?
Dr. Nassiri practices at 435 N Bedford Dr, Beverly Hills, CA 90210. Dr. Nassiri's primary practice is Pacific Coast Ambulatory Surgery Center in Beverly Hills, California. Dmand AI also links Dr. Nassiri to 2 physician offices.
What is Dr. James A. Nassiri's office phone number?
The practice phone on file for Dr. Nassiri is (310) 974-8767.
What is Dr. James A. Nassiri's medical license number?
Dr. Nassiri's California license number on file is A86743, one of the licenses on file in 3 states.
Which states has Dr. James A. Nassiri been licensed in?
Dmand AI has state licenses on file for Dr. Nassiri in California (2004 to 2025), Arizona (2020 to 2024) and Hawaii (2001 to 2002).
Does Dr. James A. Nassiri accept Medicare?
Yes. CMS data shows Dr. Nassiri billed Medicare for 549 services in 2024, and Dr. Nassiri accepts Medicare assignment.
Does Dr. James A. Nassiri offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nassiri as offering telehealth services.
How many Medicare patients does Dr. James A. Nassiri see?
CMS counts 148 Medicare patients who saw Dr. Nassiri in 2024, with an average age of 75.
Is Dr. James A. Nassiri board certified?
Yes. Dr. Nassiri is board certified in anesthesiology by the American Board of Anesthesiology.
Show 6 more questionsShow fewer questions
What services does Dr. James A. Nassiri bill to Medicare?
In 2024, Dr. Nassiri's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. James A. Nassiri go to medical school?
Dr. Nassiri graduated from Boston University School Of Medicine in 2001.
What drugs does Dr. James A. Nassiri prescribe most?
In 2024 Medicare Part D data, Dr. Nassiri's most prescribed drugs by claims were Tramadol HCl, Gabapentin and Oxycodone HCl.
Has Dr. James A. Nassiri received payments from drug or device companies?
CMS Open Payments shows $5,508 in general payments to Dr. Nassiri from 17 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. James A. Nassiri been practicing?
Dr. Nassiri graduated from medical school in 2001, 25 years ago.
What insurance does Dr. James A. Nassiri accept?
Dr. Nassiri is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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