Phillip J. Holzer, OD
- Medicare patients, 2024
- 247
- Part D claims, 2024
- 280
- Hospital affiliations
- 1
- Industry payments
- $48
- Medical groups
- 2
- Practice address
- 136 West Center Street, Marion, OH 43302
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Center Street Community Health Center - Marion
FQHC - Main Site · Marion, Ohio
Find Phillip Holzer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Phillip J. Holzer is an optometrist in Marion, Ohio
Phillip Holzer practices at Center Street Community Health Center - Marion in Marion, Ohio.
Phillip Holzer's NPI, 1447239264, was assigned on January 11, 2006. Phillip Holzer graduated from Indiana University - School of Optometry in 1999. Phillip Holzer holds Ohio license OPT006518.
- NPI
- 1447239264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244321065
- NPI enumeration date
- January 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Phillip J. Holzer practices at Center Street Community Health Center - Marion in Marion, Ohio
Phillip Holzer's primary practice is Center Street Community Health Center - Marion, at 136 West Center Street, Marion, OH 43302 in Marion County.
- Center Street Community Health Center - Marion136 West Center Street, Marion, OH 43302 · Marion County
Source: Dmand AI Affiliation Data
Phillip J. Holzer is affiliated with 2 sites of care and 2 medical groups
Phillip Holzer's primary practice is Center Street Community Health Center - Marion in Marion, Ohio. Phillip Holzer is also affiliated with Knox Community Hospital. The medical group on file is Knox Community Hospital. Dmand AI also links Phillip Holzer to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Phillip J. Holzer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Phillip Holzer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Center Street Community Health Center - Marion | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Phillip J. Holzer is one of 2,779 optometrists in Ohio
Optometrist is Phillip Holzer's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Phillip Holzer's licenses on file in 2 states: Ohio and Wisconsin.
Specialties and state licenses
- Optometrist, OhioPrimary
- Wisconsin license
Optometrists near Phillip Holzer
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Phillip J. Holzer treated 247 Medicare patients in 2024, average age 73
CMS counts 247 Medicare patients who saw Phillip Holzer in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Phillip Holzer's median patient age at 67, with 57% women.
Phillip Holzer's Medicare patients by age, 2024
Phillip Holzer's Medicare patients by sex, 2024
- Women13053%
- Men11747%
Chronic conditions among Phillip Holzer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis48%
- Diabetes37%
- Ischemic heart disease31%
- Mood disorders30%
- Anxiety26%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Phillip Holzer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Phillip J. Holzer wrote 280 Medicare Part D claims in 2024
In 2024, Phillip Holzer wrote 280 Medicare Part D claims for 87 patients. 68% of them were for generic drugs.
Phillip Holzer's Part D claims by kind of drug, 2024
- Generic189 claims68%
- Brand-name91 claims33%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Phillip J. Holzer takes part in Medicare
Phillip Holzer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Phillip J. Holzer received $48 in industry payments in 2025
CMS Open Payments shows 2 general payments to Phillip Holzer from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Dompe US, Inc. paid the most, $28.
Companies that paid Phillip Holzer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Phillip J. Holzer graduated from Indiana University - School of Optometry
Phillip Holzer graduated from Indiana University - School of Optometry in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Phillip J. Holzer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Phillip J. Holzer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Phillip J. Holzer's NPI number?
Phillip J. Holzer's NPI number is 1447239264. It was assigned on January 11, 2006, and it is active in the NPI Registry.
What does Phillip J. Holzer specialize in?
Phillip J. Holzer is an optometrist in Marion, Ohio. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Phillip J. Holzer practice?
Phillip Holzer practices at 136 West Center Street, Marion, OH 43302. Phillip Holzer's primary practice is Center Street Community Health Center - Marion in Marion, Ohio. Dmand AI also links Phillip Holzer to 1 medical group.
What is Phillip J. Holzer's medical license number?
Phillip Holzer holds Ohio license OPT006518, one of the licenses on file in 2 states.
Which states has Phillip J. Holzer been licensed in?
Dmand AI has state licenses on file for Phillip Holzer in Ohio and Wisconsin.
Which hospitals is Phillip J. Holzer affiliated with?
Phillip Holzer is affiliated with Knox Community Hospital.
What medical group is Phillip J. Holzer part of?
Phillip Holzer is linked to Knox Community Hospital. Dmand AI links Phillip Holzer to 1 more medical group.
Does Phillip J. Holzer accept Medicare?
Yes. CMS lists Phillip Holzer as accepting Medicare assignment.
How many Medicare patients does Phillip J. Holzer see?
CMS counts 247 Medicare patients who saw Phillip Holzer in 2024, with an average age of 73.
Where did Phillip J. Holzer go to medical school?
Phillip Holzer graduated from Indiana University - School of Optometry in 1999.
Has Phillip J. Holzer received payments from drug or device companies?
CMS Open Payments shows $48 in general payments to Phillip Holzer from 2 companies from 2025 to 2025. The largest total came from Dompe US, Inc.
How long has Phillip J. Holzer been practicing?
Phillip Holzer graduated from medical school in 1999, 27 years ago.
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