NPPES file of Aug 9, 2026

David William Hartzell, O.D.

Optometrist · Tracy, CA

David William Hartzell, O.D. is an optometrist with a practice address in Tracy, California, and NPI 1639113814, issued on Jun 16, 2006. Check the license (California OPT 7818 TPA, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639113814
Name
David William Hartzell
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
OPT 7818 TPA CA
Self-reported in NPPES; status is on the state search
Practice location
4598 S Tracy Blvd, Tracy, CA 95377
Phone
(209) 835-1181
Enumerated
Jun 16, 2006
Record last updated
Apr 6, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(209) 835-9396
Medicaid ID
SD0078180 CA
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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8 nearest optometrist records → All 8,308 in California → Look up another NPI →

Also registered at 4598 S Tracy Blvd

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

  1. Frank Balestrery, O.D.Optometrist1194767160
  2. Amrit Kullar, D.M.D.Dentist1982689998
  3. Glen Ozawa, O.D.Optometrist1922046994
  4. Neena Shah, M.D.Pediatrics Physician1831195692
  5. Paramjit Singh, DDSGeneral Practice Dentistry1265594808

Verify David William Hartzell 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 OPT 7818 TPA    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

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David William Hartzell among 8,308 optometrist records in California

David William Hartzell, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 66% newer
  • In a Medicare fileNo · 67% of these records are
  • In the CMS Doctors and Clinicians fileNo · 43% of these records are
  • Record last updated2009 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 optometrist records list a practice address in Tracy

They are 13 of the 1,864 NPPES records with a practice address in Tracy, and 8,308 optometrist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 8,308 in California → Every provider in Tracy → Optometrist nationwide →

The 8 optometrist records with the nearest ZIP codes

  1. Frank Balestrery, O.D.Tracy, CA 953771194767160
  2. Glen Ozawa, O.D.Tracy, CA 953771922046994
  3. Hana Rha Lim, O.D.Tracy, CA 953771427166685
  4. Jessica SiuTracy, CA 953771689214900
  5. Jeffrey Holtz, O.D.Tracy, CA 953761407139835
  6. David Moline, ODTracy, CA 953761134133929
  7. Neelam Thiara, DOCTOR OF OPTOMETRYTracy, CA 953761477108421
  8. Brian Yee, O.D.Tracy, CA 953761497733729

Common questions

What is David William Hartzell, O.D.'s NPI number?

David William Hartzell, O.D.'s National Provider Identifier (NPI) is 1639113814, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David William Hartzell, O.D. located?

The NPPES record lists a practice address at 4598 S Tracy Blvd, Tracy, CA, 95377. Phone: (209) 835-1181. Providers update this record themselves, so call before visiting.

How can I verify David William Hartzell, O.D.'s license?

NPPES lists California license number OPT 7818 TPA, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.