NPPES file of Aug 9, 2026

Aaron Noah Rockoff, MD

Endocrinology, Diabetes & Metabolism Physician · Orange, CA

Aaron Noah Rockoff, MD is an endocrinology, diabetes & metabolism physician with a practice address in Orange, California, and NPI 1902104839, issued on Mar 1, 2011. Check the license (California A121598, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902104839
Name
Aaron Noah Rockoff
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
A121598 CA
Self-reported in NPPES; status is on the state search
Practice location
725 W LA Veta Ave Ste 220, Orange, CA 92868
Phone
(714) 771-5700
Enumerated
Mar 1, 2011
Record last updated
Jul 21, 2022
Fax
(714) 771-9977
Medicare enrollment
Enrolled (PECOS I20140812001044); 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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Also registered at 725 W LA Veta Ave Ste 220

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

  1. Rebecca Kilpatrick, CPNPPediatric Nurse Practitioner1659582047
  2. Omyma Naqvi, PA-CPhysician Assistant1427915461
  3. Kimberly Navarro, PA63196Physician Assistant1033784806
  4. Megan Nguyen, PA-CPhysician Assistant1952273773

Verify Aaron Noah Rockoff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A121598
    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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99% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

5,233 Medicare Part D claims for 890 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.

  1. Aaron Rockoff5,233
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium872 claims
  2. Ozempic316 claims
  3. Metformin Hcl260 claims
  4. Synthroid222 claims
  5. Trulicity218 claims
  6. Pioglitazone Hcl180 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 practice group's MIPS final score for 2023 (Medicare payment program): 61.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.6
  2. Costout of 100 · 30%52.3
  3. Promoting interoperabilityout of 100 · 25%76.0
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,486.24

155 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Aaron Rockoff$2,486.24
  2. Specialty average$5,742.15

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. Endocrinology Medical Group OF Orange County IncOrange, CA

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

Aaron Noah Rockoff among 1,131 endocrinology, diabetes & metabolism physician records in California

Aaron Noah Rockoff, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 72% of them.

  • NPI issued2011 · 72% of these records are older, 26% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2009 · median 2003 among the 779 with a school on file
  • Record last updated2022 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Bogi Andersen, MDOrange, CA 928681164502233
  2. Yung-In Choi, MDOrange, CA 928681760562854
  3. Jenny Dai-Ju, M.D.Orange, CA 928681336497775
  4. Ismail Kasimoglu, MD, PHD, MBAOrange, CA 928681578095774
  5. Soon Kwon, MDOrange, CA 928681407964448
  6. Ivy-Joan Madu, M.D.Orange, CA 928681710988662
  7. Megan McConnell, MDOrange, CA 928681699272211
  8. Christopher Pham, MDOrange, CA 928681730769928

Common questions

What is Aaron Noah Rockoff, MD's NPI number?

Aaron Noah Rockoff, MD's National Provider Identifier (NPI) is 1902104839, issued on Mar 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Aaron Noah Rockoff, MD located?

The NPPES record lists a practice address at 725 W LA Veta Ave Ste 220, Orange, CA, 92868. Phone: (714) 771-5700. Providers update this record themselves, so call before visiting.

How can I verify Aaron Noah Rockoff, MD's license?

NPPES lists California license number A121598, 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 Aaron Noah Rockoff, MD prescribe under Medicare Part D?

In 2024, Aaron Noah Rockoff, MD had 5,233 Medicare Part D claims for 890 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Aaron Noah Rockoff, MD's MIPS final score?

The 2023 MIPS final score is 61.8 of 100, reported for the practice group. 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.