Gillian Goldberg Bassirpour, MD
Allergy Physician · Aliso Viejo, CA
Gillian Goldberg Bassirpour, MD is an allergy physician with a practice address in Aliso Viejo, California, and NPI 1811216765, issued on May 18, 2010. Check the license (California C174521, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gillian Goldberg Bassirpour
- Credential
- MD
- Primary taxonomy
- Allergy Physician 207KA0200X
- License number
- C174521 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Journey Ste 201, Aliso Viejo, CA 92656
- Phone
- (949) 287-4900
- Enumerated
- May 18, 2010
- Record last updated
- Sep 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20250804002401); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest allergy physician records → All 157 in California → Look up another NPI →
Also registered at 2 Journey Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Walters, MDAllergy & Immunology Physician1437442308
Verify Gillian Goldberg Bassirpour in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C174521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average allergy physician in 2024
16 Medicare Part D claims, against an average of 750 among the 645 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $869.83
31 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 502 providers of this specialty with any payment received $9,080.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gillian Goldberg Bassirpour among 157 allergy physician records in California
Gillian Goldberg Bassirpour, MD is one of 157 allergy physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 91% of them.
- NPI issued2010 · 91% of these records are older, 8% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2010 · median 1992 among the 82 with a school on file
- Record last updated2023 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207KA0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy Physician providers in California
There are 157 allergy physician records in California.
All 157 in California → Every provider in Aliso Viejo → Allergy Physician nationwide →
The 8 allergy physician records with the nearest ZIP codes
- Warner Carr, MDLaguna Niguel, CA 926771184798001
- Christine Lee-Kim, D.O.Laguna Niguel, CA 926771174881346
- Mark Sugar, M.D.Laguna Niguel, CA 926771013959253
- William Berger, M.D.Mission Viejo, CA 926911538260583
- Geeta Venkat, M.D.Mission Viejo, CA 926911588774954
- Bruce Friedman, MDFountain Valley, CA 927081457345225
- Rhonda Myers, M.D.Irvine, CA 926041467404038
- Chittur Easwaran, M.DAnaheim, CA 928041750314993
Common questions
What is Gillian Goldberg Bassirpour, MD's NPI number?
Gillian Goldberg Bassirpour, MD's National Provider Identifier (NPI) is 1811216765, issued on May 18, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Gillian Goldberg Bassirpour, MD located?
The NPPES record lists a practice address at 2 Journey Ste 201, Aliso Viejo, CA, 92656. Phone: (949) 287-4900. Providers update this record themselves, so call before visiting.
How can I verify Gillian Goldberg Bassirpour, MD's license?
NPPES lists California license number C174521, 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 Gillian Goldberg Bassirpour, MD prescribe under Medicare Part D?
In 2024, Gillian Goldberg Bassirpour, MD had 16 Medicare Part D claims; the average among allergy physician prescribers was 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.
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.