Alan E. Gorenberg, MD
Allergy & Immunology Physician · Orange, CA
Alan E. Gorenberg, MD is an allergy & immunology physician with a practice address in Orange, California, and NPI 1730115221, issued on Jun 25, 2006. Check the license (California G60876, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alan E. Gorenberg
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- G60876 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8506 E Chapman Ave, Orange, CA 92869
- Phone
- (714) 633-4666
- Enumerated
- Jun 25, 2006
- Record last updated
- Oct 14, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (714) 633-4640
- Medicare enrollment
- Enrolled (PECOS I20060313000205); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 444 in California → Look up another NPI →
Verify Alan E. Gorenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G60876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average allergy & immunology physician in 2024
983 Medicare Part D claims for 213 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Dupixent Syringe131 claims
- Trelegy Ellipta123 claims
- Xolair103 claims
- Montelukast Sodium58 claims
- Ipratropium Bromide44 claims
- Omeprazole41 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.
The MIPS final score for 2023 (Medicare payment program): 16.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Alan E. Gorenberg among 444 allergy & immunology physician records in California
Alan E. Gorenberg, MD is one of 444 allergy & immunology physician records with a practice address in California. 79% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2004 among the 281 with a school on file
- Record last updated2010 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in California
There are 444 allergy & immunology physician records in California.
All 444 in California → Every provider in Orange → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Wan-Yin Chan, M.D.Orange, CA 928681932391471
- Stanley Galant, MDOrange, CA 928681780799809
- William Harris, MDOrange, CA 928681922065788
- Yela Jung, MDOrange, CA 928681780145573
- Donald Levy, MDOrange, CA 928681518055011
- Chao-I Lin, MDOrange, CA 928681588779631
- Diem-Tran Nguyen, MDOrange, CA 928681215498761
- Jason WongOrange, CA 928681376170449
Common questions
What is Alan E. Gorenberg, MD's NPI number?
Alan E. Gorenberg, MD's National Provider Identifier (NPI) is 1730115221, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan E. Gorenberg, MD located?
The NPPES record lists a practice address at 8506 E Chapman Ave, Orange, CA, 92869. Phone: (714) 633-4666. Providers update this record themselves, so call before visiting.
How can I verify Alan E. Gorenberg, MD's license?
NPPES lists California license number G60876, 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 Alan E. Gorenberg, MD prescribe under Medicare Part D?
In 2024, Alan E. Gorenberg, MD had 983 Medicare Part D claims for 213 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is Alan E. Gorenberg, MD's MIPS final score?
The 2023 MIPS final score is 16.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.