David L. Hartzok, O.D.
Optometrist · Chambersburg, PA
David L. Hartzok, O.D. is an optometrist with a practice address in Chambersburg, Pennsylvania, and NPI 1558374090, issued on Aug 15, 2006. Check the license (Pennsylvania OEG000140, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David L. Hartzok
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- OEG000140 PA
Self-reported in NPPES; status is on the state search - Practice location
- 71 Brumbaugh Ave, Chambersburg, PA 17201
- Phone
- (717) 264-7225
- Enumerated
- Aug 15, 2006
- Record last updated
- May 2, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (717) 264-8637
- Entity
- Type 1 · individual
8 nearest optometrist records → All 2,640 in Pennsylvania → Look up another NPI →
Verify David L. Hartzok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license OEG000140Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average optometrist in 2024
332 Medicare Part D claims for 80 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Timolol Maleate108 claims
- Latanoprost106 claims
- Dorzolamide-Timolol37 claims
- Combigan15 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
David L. Hartzok among 2,640 optometrist records in Pennsylvania
David L. Hartzok, O.D. is one of 2,640 optometrist records with a practice address in Pennsylvania. 72% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 48% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2008 · 69% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in Pennsylvania
There are 2,640 optometrist records in Pennsylvania.
All 2,640 in Pennsylvania → Every provider in Chambersburg → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Connor Blake, ODChambersburg, PA 172011972142545
- Jasmine Bravo-Beaumont, ODChambersburg, PA 172011427513167
- Tiffany Frey, O.D.Chambersburg, PA 172011790946556
- James Grove, ODChambersburg, PA 172011992776488
- Emily Kellar, ODChambersburg, PA 172011700667094
- Bryan Lohr, O.DChambersburg, PA 172011972694446
- Joel McGahen, ODChambersburg, PA 172011033170295
- William Schwab, ODChambersburg, PA 172011225181381
Common questions
What is David L. Hartzok, O.D.'s NPI number?
David L. Hartzok, O.D.'s National Provider Identifier (NPI) is 1558374090, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David L. Hartzok, O.D. located?
The NPPES record lists a practice address at 71 Brumbaugh Ave, Chambersburg, PA, 17201. Phone: (717) 264-7225. Providers update this record themselves, so call before visiting.
How can I verify David L. Hartzok, O.D.'s license?
NPPES lists Pennsylvania license number OEG000140, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does David L. Hartzok, O.D. prescribe under Medicare Part D?
In 2024, David L. Hartzok, O.D. had 332 Medicare Part D claims for 80 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is David L. Hartzok, O.D.'s MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.