NPPES file of Aug 9, 2026

Gregory John Herd, D.D.S.

General Practice Dentistry · Rancho Santa Margarita, CA

Gregory John Herd, D.D.S. is a general practice dentistry with a practice address in Rancho Santa Margarita, California, and NPI 1265446504, issued on Jul 29, 2006. Check the license (California 38195, as entered in NPPES) with the California board that licenses this profession; 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
1265446504
Name
Gregory John Herd
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
38195 CA
Self-reported in NPPES; status is on the state search
Practice location
30212 Tomas, Rancho Santa Margarita, CA 92688
Phone
(949) 858-5147
Enumerated
Jul 29, 2006
Record last updated
Jul 21, 2022
Fax
(949) 858-5165
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 30212 Tomas

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

  1. Scott Bianchi, D.D.S.General Practice Dentistry1396768834
  2. Cynthia Dimalanta, MDPediatrics Physician1649310608
  3. Mehrdad Ghaffarian, LAC., PHD.Acupuncturist1164581187
  4. Christopher Jordan, D.D.S.General Practice Dentistry1275551566
  5. Liza Koepke, O.D.Optometrist1134503204
  6. Andrew Lee, D.D.S.General Practice Dentistry1134515265

Verify Gregory John Herd in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 38195
    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
Find 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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65% fewer Medicare Part D claims than the average general practice dentistry in 2024

29 Medicare Part D claims for 18 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Gregory Herd29
  2. Specialty average83

Most prescribed

  1. Amoxicillin15 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: $144.40

3 payments; by number, the most common kind was entertainment; the largest payer was Keystone Dental Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Herd$144.40
  2. Specialty average$597.01

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

Gregory John Herd among 17,852 general practice dentistry records in California

Gregory John Herd, D.D.S. is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2022 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

23 general practice dentistry records list a practice address in Rancho Santa Margarita

They are 23 of the 479 NPPES records with a practice address in Rancho Santa Margarita, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. John Aguilera, D.D.SRancho Santa Margarita, CA 926881518067792
  2. Scott Bianchi, D.D.S.Rancho Santa Margarita, CA 926881396768834
  3. Luis Gustavo Bitton, DDSRancho Santa Margarita, CA 926881619154374
  4. Lile Bunar, D.D.S.Rancho Santa Margarita, CA 926881740480151
  5. Michael Fonmin, DDSRancho Santa Margarita, CA 926881780795187
  6. Orest Frangopol, D.D.S.Rancho Santa Margarita, CA 926881689636441
  7. Robert Fridlind, D.M.D.Rancho Santa Margarita, CA 926881023054970
  8. Christopher Herring, D.D.S.Rancho Santa Margarita, CA 926881780651778

Common questions

What is Gregory John Herd, D.D.S.'s NPI number?

Gregory John Herd, D.D.S.'s National Provider Identifier (NPI) is 1265446504, issued on Jul 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory John Herd, D.D.S. located?

The NPPES record lists a practice address at 30212 Tomas, Rancho Santa Margarita, CA, 92688. Phone: (949) 858-5147. Providers update this record themselves, so call before visiting.

How can I verify Gregory John Herd, D.D.S.'s license?

NPPES lists California license number 38195, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory John Herd, D.D.S. prescribe under Medicare Part D?

In 2024, Gregory John Herd, D.D.S. had 29 Medicare Part D claims for 18 beneficiaries; the average among general practice dentistry prescribers was 83. 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.