David Charles Herzlinger, M.D.
Specialist · Newport Beach, CA
David Charles Herzlinger, M.D. is a specialist with a practice address in Newport Beach, California, and NPI 1891785465, issued on Oct 25, 2005. Check the license (California G26306, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Charles Herzlinger
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- G26306 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1441 Avocado Ave, Newport Beach, CA 92660
- Phone
- (949) 640-4501
- Enumerated
- Oct 25, 2005
- Record last updated
- Dec 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (949) 640-0741
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
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Verify David Charles Herzlinger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license G26306Check 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 specialist in 2024
23 Medicare Part D claims, against an average of 1,380 among the 8,233 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.
David Charles Herzlinger among 5,749 specialist records in California
David Charles Herzlinger, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 specialist records list a practice address in Newport Beach
They are 53 of the 4,414 NPPES records with a practice address in Newport Beach, and 5,749 specialist records in California.
All 5,749 in California → Every provider in Newport Beach → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Joseph Apostol, M.D.Newport Beach, CA 926601891877015
- Catherine Chang, M.D.Newport Beach, CA 926601295766426
- Gerald Gostanian, MDNewport Beach, CA 926601851491567
- Mark Kan, M.D.Newport Beach, CA 926601336171446
- Ayoub Khaghani, MDNewport Beach, CA 926601922087394
- Yang Kim, M.D.Newport Beach, CA 926601477553667
- Gene Lawrence, M.D.Newport Beach, CA 926601730269879
- John Leary, M.D.Newport Beach, CA 926601891889606
Common questions
What is David Charles Herzlinger, M.D.'s NPI number?
David Charles Herzlinger, M.D.'s National Provider Identifier (NPI) is 1891785465, issued on Oct 25, 2005. An NPI identifies a provider in billing; it is not a license.
Where is David Charles Herzlinger, M.D. located?
The NPPES record lists a practice address at 1441 Avocado Ave, Newport Beach, CA, 92660. Phone: (949) 640-4501. Providers update this record themselves, so call before visiting.
How can I verify David Charles Herzlinger, M.D.'s license?
NPPES lists California license number G26306, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does David Charles Herzlinger, M.D. prescribe under Medicare Part D?
In 2024, David Charles Herzlinger, M.D. had 23 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.