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David Hartzell, O.D.
NPI 1639113814 · Optometrist · Tracy, CA
David Hartzell, O.D. is a Optometrist provider in Tracy, CA (NPI 1639113814).
Provider details
- NPI number
- 1639113814
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- OPT 7818 TPA (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4598 S Tracy Blvd
130
Tracy, CA 95377-8106
Phone: (209) 835-1181
Fax: (209) 835-9396
Approximate (ZIP-level) locationGet directions
Mailing address
1246 Aincille St
Tracy, CA 95304-5846
Registry dates
- Enumerated
- 2006-06-16
- Last updated
- 2009-04-06
Frequently asked questions
- What is David Hartzell's NPI number?
- David Hartzell's National Provider Identifier (NPI) is 1639113814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Hartzell's specialty?
- David Hartzell is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is David Hartzell located?
- David Hartzell's practice location on file with NPPES is 4598 S Tracy Blvd, Tracy, CA 95377-8106.
- What is David Hartzell's phone number?
- The practice phone number listed in the NPPES registry for David Hartzell is (209) 835-1181.
- Is David Hartzell's NPI active?
- Yes — David Hartzell's NPI (1639113814) is active in the NPPES registry as of the last update on 2009-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.