Provider Profile
David L. Hartzok, O.D. is an optometrist based in Chambersburg, PA. According to Medicare claims data, David cared for 941 Medicare patients across 1,130 services. The services billed most often include established patient complete exam of visual system, imaging of retina, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
71 BRUMBAUGH AVE
Chambersburg, PA 17201
Within Optometry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
Most searched procedures
Contact lens exams
Dry eye treatments
Examinations
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
Imaging & tests
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
1,130 services · 941 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
27 | As often as other peers in Optometrist |
| Established patient complete exam of visual system | Treatment | 92014 |
383 | More than most peers in Optometrist |
| Imaging of retina | Treatment | 92134 |
272 | More than most peers in Optometrist |
| Exam of visual field with extended testing | Treatment | 92083 |
97 | More often than most peers in Optometrist |
| Imaging of optic nerve | Treatment | 92133 |
80 | More often than most peers in Optometrist |
| New patient complete exam of visual system | Treatment | 92004 |
23 | As often as other peers in Optometrist |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
229 | More than most peers in Optometrist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
19 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
David L. Hartzok is an optometrist in Chambersburg, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
David L. Hartzok is listed at 71 Brumbaugh Ave, Chambersburg, PA 17201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (717) 264-7225. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
David L. Hartzok's National Provider Identifier is 1558374090. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
David L. Hartzok has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, David L. Hartzok performs procedures including removal of cataract with insertion of prosthetic lens; provides treatments such as established patient complete exam of visual system and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by David L. Hartzok. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.