Dr. Gregory Matthew Notz, DO

  • Danville, PA
  • Ophthalmologist
NPI1124286331PAC ID1951579614
Medicare services, 2024
735
Medicare patients, 2024
464
Part D claims, 2024
502
Publications
4
Hospital affiliations
1
Practice address
100 North Academy Avenue, Danville, PA 17822
Practice phone
Call (570) 271-6211
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Geisinger Medical Center

Hospital · Danville, Pennsylvania

See all 5 affiliations

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Dr. Gregory Matthew Notz is an ophthalmologist in Danville, Pennsylvania

Dr. Notz practices at Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health.

Dr. Notz's NPI, 1124286331, was assigned on May 26, 2008. Dr. Notz graduated from Philadelphia College of Osteopathic Medicine in 2007. Dr. Notz holds Pennsylvania license OS015641.

NPI and contact details
Medicare PAC ID
1951579614
NPI enumeration date
May 26, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(570) 271-6211
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
45
Medical school graduation
2007

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gregory Matthew Notz practices at Geisinger Medical Center in Danville, Pennsylvania

Dr. Notz's primary practice is Geisinger Medical Center, at 100 North Academy Avenue, Danville, PA 17822 in Montour County. The practice phone is (570) 271-6211.

Source: Dmand AI Affiliation Data

Dr. Gregory Matthew Notz is affiliated with 3 sites of care and 2 medical groups

Dr. Notz's primary practice is Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health. The medical group on file is Geisinger. Dmand AI also links Dr. Notz to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Notz

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gregory Matthew Notz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Notz practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Geisinger Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory Matthew Notz is one of 843 ophthalmologists in Pennsylvania

Ophthalmology is Dr. Notz's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Notz is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Notz is licensed in Pennsylvania.

Specialties and state licenses

  • Ophthalmology, PennsylvaniaPrimaryLicense OS015641 · taxonomy 207W00000X

Ophthalmologists near Dr. Notz

Counts of ophthalmologists 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

Dr. Gregory Matthew Notz billed Medicare for 735 services in 2024

CMS data shows 735 Medicare services from Dr. Notz across 15 procedure codes in 2024, for 464 Medicare patients. Medicare paid $61,801 for them.

Medicare services, 2024735
Medicare patients464
Paid by Medicare$61,801
Procedure codes15

Dr. Notz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2182024: 42695%
Tests and treatments
2023: 4292024: 24244%
Surgery
2023: 782024: 6714%

Where Dr. Notz's Medicare services took place, 2024

  • In an office68093%
  • In a facility557%

Dr. Notz compared with the Pennsylvania median for ophthalmologists, 2024

  • Dr. Notz
  • Pennsylvania median
Medicare services
735vs 1,33645% below
Medicare patients
464vs 52411% below
Part D claims
407vs 62034% below

Medians across 854 ophthalmologists in Pennsylvania with Dmand AI profiles that report each measure.

Dr. Notz's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Notz

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gregory Matthew Notz treated 464 Medicare patients in 2024, average age 75

CMS counts 464 Medicare patients who saw Dr. Notz in 2024. The largest group is 65 to 74, with 212 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Notz's median patient age at 75, with 57% women.

Medicare patients, 2024464
Average age75
Average risk score1.20
Also on Medicaid8%

Dr. Notz's Medicare patients by age, 2024

Dr. Notz's Medicare patients by sex, 2024

  • Women27359%
  • Men19141%

Chronic conditions among Dr. Notz's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis43%
  4. Diabetes30%
  5. Chronic kidney disease29%
  6. Ischemic heart disease25%
  7. Anxiety24%
  8. Mood disorders24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Notz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women57%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gregory Matthew Notz wrote 502 Medicare Part D claims in 2024

In 2024, Dr. Notz wrote 502 Medicare Part D claims for 218 patients. 88% of them were for generic drugs. CMS names the drug for 407 of them, across 16 drugs with 11 or more claims each, at $24,638 in total drug cost. In 2023, CMS named 343 claims across 13 drugs.

Part D claims, 2024502
Drugs named by CMS16
Total drug cost$24,638
Part D patients218

Dr. Notz's Part D claims by kind of drug, 2024

  • Generic440 claims88%
  • Brand-name62 claims12%

Dr. Notz's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Notz's Part D claims, 2024

  • Opioids3%15 of 502 claims
  • Antibiotics6%31 of 502 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3432024: 40719%

Drugs named by CMS: 16 in 2024, 13 in 2023.

See all prescribing by Dr. Notz

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Gregory Matthew Notz ranks in the 55th percentile for cataract surgery in Medicare

Dr. Notz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 33 procedures of cataract surgery by Dr. Notz, more than 55% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Notz ranks in Medicare procedure volume

Cataract surgery
55th percentile33 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Gregory Matthew Notz has 4 publications on record

Dmand AI links 4 papers to Dr. Notz in 2016. The most frequent topics are Magnetic Resonance Imaging, Carcinoma, Squamous Cell and Tomography, X-Ray Computed. Dr. Notz has published most often in Ophthalmic Plast Reconstr Surg. Dr. Notz's most frequent co-authors are Jurij Roman Bilyk, MD, David Michael Cognetti, MD and Joseph M. Curry, MD.

Papers4

Topics Dr. Notz writes about most

  • Magnetic Resonance Imaging
  • Carcinoma, Squamous Cell
  • Tomography, X-Ray Computed

Dr. Notz's most frequent co-authors

Recent publications by Dr. Notz

See all 4 publications and co-authors

See who Dr. Notz researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Notz works with, so you can find a warm path to the right ophthalmologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Gregory Matthew Notz received $234 in industry payments from 2022 to 2024

CMS Open Payments shows 3 general payments to Dr. Notz from 2 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $117.

General payments to Dr. Notz by program year, 2022 to 2024

Companies that paid Dr. Notz the most, 2022 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Notz

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Gregory Matthew Notz graduated from Philadelphia College of Osteopathic Medicine

Dr. Notz graduated from Philadelphia College of Osteopathic Medicine in 2007.

  1. Medical schoolPhiladelphia College of Osteopathic Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Sources for Dr. Gregory Matthew Notz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gregory Matthew Notz

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Gregory Matthew Notz's NPI number?

Dr. Gregory Matthew Notz's NPI number is 1124286331. It was assigned on May 26, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory Matthew Notz?

Dr. Gregory Matthew Notz is an ophthalmologist in Danville, Pennsylvania. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Gregory Matthew Notz practice?

Dr. Notz practices at 100 North Academy Avenue, Danville, PA 17822. Dr. Notz's primary practice is Geisinger Medical Center in Danville, Pennsylvania, part of Risant Health. Dmand AI also links Dr. Notz to 2 group practices and clinics and 1 medical group.

What is Dr. Gregory Matthew Notz's office phone number?

The practice phone on file for Dr. Notz is (570) 271-6211.

What is Dr. Gregory Matthew Notz's medical license number?

Dr. Notz holds Pennsylvania license OS015641.

Which hospitals is Dr. Gregory Matthew Notz affiliated with?

Dr. Notz practices at Geisinger Medical Center in Danville, Pennsylvania.

What medical group is Dr. Gregory Matthew Notz part of?

Dr. Notz is linked to Geisinger. Dmand AI links Dr. Notz to 1 more medical group.

Does Dr. Gregory Matthew Notz accept Medicare?

Yes. CMS data shows Dr. Notz billed Medicare for 735 services in 2024, and Dr. Notz accepts Medicare assignment.

How many Medicare patients does Dr. Gregory Matthew Notz see?

CMS counts 464 Medicare patients who saw Dr. Notz in 2024, with an average age of 75.

Is Dr. Gregory Matthew Notz board certified?

Yes. Dr. Notz is board certified in ophthalmology by the American Board of Ophthalmology.

Show 7 more questionsShow fewer questions

What services does Dr. Gregory Matthew Notz bill to Medicare?

In 2024, Dr. Notz's most billed Medicare services were office visit, established patient (99214), eye exam or test (92083) and eye exam or test (92285).

Where did Dr. Gregory Matthew Notz go to medical school?

Dr. Notz graduated from Philadelphia College of Osteopathic Medicine in 2007.

What drugs does Dr. Gregory Matthew Notz prescribe most?

In 2024 Medicare Part D data, Dr. Notz's most prescribed drugs by claims were Erythromycin, Tobramycin-Dexamethasone and Neomycin-Polymyxin-Dexameth.

Has Dr. Gregory Matthew Notz received payments from drug or device companies?

CMS Open Payments shows $234 in general payments to Dr. Notz from 2 companies from 2022 to 2024. The largest total came from Amgen Inc.

How long has Dr. Gregory Matthew Notz been practicing?

Dr. Notz graduated from medical school in 2007, 19 years ago.

Does Dr. Gregory Matthew Notz do research?

Dmand AI links 4 publications to Dr. Notz.

Who does Dr. Gregory Matthew Notz publish with?

Dr. Notz's most frequent co-authors are Jurij Roman Bilyk, MD (3 shared papers), David Michael Cognetti, MD (2 shared papers) and Joseph M. Curry, MD (1 shared paper).

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