NPPES file of Aug 9, 2026

Dan Nadler, M.D.

Emergency Medicine Physician · Garden Grove, CA

Dan Nadler, M.D. is an emergency medicine physician with a practice address in Garden Grove, California, and NPI 1053424044, issued on Aug 16, 2006. Check the license (California A65360, 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
1053424044
Name
Dan Nadler
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A65360 CA
Self-reported in NPPES; status is on the state search
Practice location
12601 Garden Grove Blvd, Garden Grove, CA 92843
Phone
(714) 537-5160
Enumerated
Aug 16, 2006
Record last updated
Oct 26, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
00A653600 CA
Medicare enrollment
Enrolled (PECOS I20071204000302); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1995
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.
Download card Updates feed

Also registered at 12601 Garden Grove Blvd

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

  1. Senior AdjainoPsychiatric/Mental Health Nurse Practitioner1720784390
  2. Tommy Cao, PHARM.DPharmacotherapy Pharmacist1386472330
  3. Hillary ChangEmergency Registered Nurse1699552661
  4. Antony Chen, DOAnatomic Pathology & Clinical Pathology Physician1235327701
  5. William Galdamez, PAMedical Physician Assistant1295047413
  6. Gihan George, M.D.Anesthesiology Physician1710055850

Verify Dan Nadler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A65360
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

18% fewer Medicare Part D claims than the average emergency medicine physician in 2024

185 Medicare Part D claims for 150 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 45 claims were for opioids.

  1. Dan Nadler185
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen40 claims
  2. Cefdinir25 claims
  3. Cephalexin16 claims
  4. Amoxicillin-Clavulanate Potass14 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): 94.6 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 score76.7
  2. Costout of 100 · 30%97.1
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $80.18

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dan Nadler$80.18
  2. Specialty average$953.79

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. Vituity-California Observation Services PCRoseville, CA

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

Dan Nadler among 7,751 emergency medicine physician records in California

Dan Nadler, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1995 · median 2011 among the 4,560 with a school on file
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Don HaGarden Grove, CA 928431386339232
  2. Alec Huynh, M.DGarden Grove, CA 928431477577575
  3. Kim-Tan Nguyen, M.D.Garden Grove, CA 928431174752836
  4. Brian Rhee, M.DGarden Grove, CA 928431346290772
  5. Carl Stilson, M.D.Garden Grove, CA 928431831204262
  6. Barbara Victor, M.D.Garden Grove, CA 928431730132986
  7. Vincent Tang, M.DGarden Grove, CA 928441578542957
  8. Aaron Cho, D.O.Garden Grove, CA 928411164841482

Common questions

What is Dan Nadler, M.D.'s NPI number?

Dan Nadler, M.D.'s National Provider Identifier (NPI) is 1053424044, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dan Nadler, M.D. located?

The NPPES record lists a practice address at 12601 Garden Grove Blvd, Garden Grove, CA, 92843. Phone: (714) 537-5160. Providers update this record themselves, so call before visiting.

How can I verify Dan Nadler, M.D.'s license?

NPPES lists California license number A65360, 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 Dan Nadler, M.D. prescribe under Medicare Part D?

In 2024, Dan Nadler, M.D. had 185 Medicare Part D claims for 150 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Dan Nadler, M.D.'s MIPS final score?

The 2023 MIPS final score is 94.6 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.