NPPES file of Aug 9, 2026

Mostafa S. Ilbeigi, M.D.

Pain Medicine (Anesthesiology) Physician · Apple Valley, CA

Mostafa S. Ilbeigi, M.D. is a pain medicine (anesthesiology) physician with a practice address in Apple Valley, California, and NPI 1932213709, issued on Aug 18, 2006. Check the license (California A64208, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932213709
Name
Mostafa S. Ilbeigi
Credential
M.D.
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
A64208 CA
Self-reported in NPPES; status is on the state search
Practice location
18400 US Highway 18 Ste A, Apple Valley, CA 92307
Phone
(760) 242-3232
Enumerated
Aug 18, 2006
Record last updated
Apr 8, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(760) 242-3939
Medicaid ID
00A642080 CA
Medicare enrollment
Enrolled (PECOS I20070614000401); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest pain medicine (anesthesiology) physician records → All 536 in California → Look up another NPI →

Also registered at 18400 US Highway 18 Ste A

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Herman McDaniel, DOUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1063524130

Verify Mostafa S. Ilbeigi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A64208    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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58% more Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024

2,772 Medicare Part D claims for 180 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 1,595 claims were for opioids.

  1. Mostafa Ilbeigi2,772
  2. Specialty average1,750

Most prescribed

  1. Hydrocodone-Acetaminophen645 claims
  2. Oxycodone-Acetaminophen317 claims
  3. Oxycodone Hcl280 claims
  4. Gabapentin208 claims
  5. Baclofen97 claims
  6. Tramadol Hcl91 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $1,045.56

29 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mostafa Ilbeigi$1,045.56
  2. Specialty average$3,225.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Aria Anesthesia Group IncApple Valley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mostafa S. Ilbeigi among 536 pain medicine (anesthesiology) physician records in California

Mostafa S. Ilbeigi, M.D. is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 57% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1970 · median 2004 among the 367 with a school on file
  • Record last updated2014 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Anesthesiology) Physician providers in California

There are 536 pain medicine (anesthesiology) physician records in California.

All 536 in California → Every provider in Apple Valley → Pain Medicine (Anesthesiology) Physician nationwide →

The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes

  1. Mersedeh Karimian, D.O.Apple Valley, CA 923071952516304
  2. Rajender Thakran, M.D.Apple Valley, CA 923071619988300
  3. Andrew Hesseltine, MDColton, CA 923241467438036
  4. Eleanor Cho, MDFontana, CA 923351841359411
  5. Benjamin Maslin, M.D.Rancho Mirage, CA 922701306111604
  6. Tobias Moeller-Bertram, MDRancho Mirage, CA 922701134169741
  7. Deep Patel, MDRancho Mirage, CA 922701396239919
  8. Charles Anderson, MDPalm Springs, CA 922621386646347

Common questions

What is Mostafa S. Ilbeigi, M.D.'s NPI number?

Mostafa S. Ilbeigi, M.D.'s National Provider Identifier (NPI) is 1932213709, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mostafa S. Ilbeigi, M.D. located?

The NPPES record lists a practice address at 18400 US Highway 18 Ste A, Apple Valley, CA, 92307. Phone: (760) 242-3232. Providers update this record themselves, so call before visiting.

How can I verify Mostafa S. Ilbeigi, M.D.'s license?

NPPES lists California license number A64208, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mostafa S. Ilbeigi, M.D. prescribe under Medicare Part D?

In 2024, Mostafa S. Ilbeigi, M.D. had 2,772 Medicare Part D claims for 180 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.