Dr. Paul H. Nancollas, MD

  • Danville, PA
  • Ophthalmologist
NPI1588627475PAC ID2365409554
Medicare services, 2024
1,354
Medicare patients, 2024
1,152
Part D claims, 2024
2,153
Hospital affiliations
1
Industry payments
$150
Practice address
100 N Academy Ave, 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

Danville, Pennsylvania

See all 6 affiliations

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Dr. Paul H. Nancollas is an ophthalmologist in Danville, Pennsylvania

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

Dr. Nancollas' NPI, 1588627475, was assigned on April 11, 2006. Dr. Nancollas graduated from State University of New York at Buffalo School of Medicine in 1985. Dr. Nancollas holds Pennsylvania license MD036964E.

NPI and contact details
Medicare PAC ID
2365409554
NPI enumeration date
April 11, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(570) 271-6211
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
67
Medical school graduation
1985

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

Dr. Paul H. Nancollas practices at Geisinger Medical Center in Danville, Pennsylvania

Dr. Nancollas' primary practice is Geisinger Medical Center, at 100 N Academy Ave, Danville, PA 17822 in Montour County. The practice phone is (570) 271-6211.

  • Geisinger Medical Center
    100 N Academy Ave, Danville, PA 17822 · Montour CountyPhone(570) 271-6211

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Paul H. Nancollas is affiliated with 4 sites of care and 2 medical groups

Dr. Nancollas' primary practice is Geisinger Medical Center in Danville, Pennsylvania. Dr. Nancollas is also affiliated with Geisinger Lewistown Hospital. The medical group on file is Geisinger. Dmand AI also links Dr. Nancollas to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 6 affiliations for Dr. Nancollas

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Paul H. Nancollas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nancollas 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
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Paul H. Nancollas is one of 843 ophthalmologists in Pennsylvania

Ophthalmology is Dr. Nancollas' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Nancollas is licensed in Pennsylvania.

Specialties and state licenses

  • Ophthalmology, PennsylvaniaPrimaryLicense MD036964E · taxonomy 207W00000X

Ophthalmologists near Dr. Nancollas

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. Paul H. Nancollas billed Medicare for 1,354 services in 2024

CMS data shows 1,354 Medicare services from Dr. Nancollas across 9 procedure codes in 2024, for 1,152 Medicare patients. Medicare paid $55,099 for them. Every service was in an office.

Medicare services, 20241,354
Medicare patients1,152
Paid by Medicare$55,099
Procedure codes9

Dr. Nancollas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 1,1432024: 1,1531%
Office and hospital visits
2023: 1762024: 1792%
Surgery
2023: 332024: 2233%
Imaging
2023: 112024: 0100%

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

  • Dr. Nancollas
  • Pennsylvania median
Medicare services
1,354vs 1,336Close to median
Medicare patients
1,152vs 5242.2 times
Part D claims
2,083vs 6203.4 times

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

Dr. Nancollas' 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. Nancollas

Need commercial claims for Dr. Nancollas?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nancollas and other ophthalmologists in Pennsylvania.

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

Dr. Paul H. Nancollas treated 1,152 Medicare patients in 2024, average age 71

CMS counts 1,152 Medicare patients who saw Dr. Nancollas in 2024. The largest group is 65 to 74, with 542 patients. 75% of them have diabetes, and 75% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Nancollas' median patient age at 65, with 46% women.

Medicare patients, 20241,152
Average age71
Average risk score1.28
Also on Medicaid23%

Dr. Nancollas' Medicare patients by age, 2024

Dr. Nancollas' Medicare patients by sex, 2024

  • Women55748%
  • Men59552%

Chronic conditions among Dr. Nancollas' Medicare patients, 2024

  1. Diabetes75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Chronic kidney disease36%
  5. Arthritis33%
  6. Mood disorders27%
  7. Ischemic heart disease26%
  8. Anxiety24%

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

Dr. Nancollas' patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women46%
  • Men54%

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

Dr. Paul H. Nancollas wrote 2,153 Medicare Part D claims in 2024

In 2024, Dr. Nancollas wrote 2,153 Medicare Part D claims for 445 patients. 78% of them were for generic drugs. CMS names the drug for 2,083 of them, across 25 drugs with 11 or more claims each, at $153,649 in total drug cost. In 2023, CMS named 2,350 claims across 23 drugs.

Part D claims, 20242,153
Drugs named by CMS25
Total drug cost$153,649
Part D patients445

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

  • Generic1,670 claims78%
  • Brand-name483 claims22%

Dr. Nancollas' 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. Nancollas' Part D claims, 2024

  • Antibiotics1%31 of 2,153 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: 2,3502024: 2,08311%

Drugs named by CMS: 25 in 2024, 23 in 2023.

See all prescribing by Dr. Nancollas

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. Paul H. Nancollas ranks in the 34th percentile for cataract surgery in Medicare

Dr. Nancollas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 12 procedures of cataract surgery by Dr. Nancollas, more than 34% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Nancollas ranks in Medicare procedure volume

Cataract surgery
34th percentile12 procedures

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

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

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Dr. Paul H. Nancollas received $150 in industry payments in 2018

CMS Open Payments shows 1 general payment to Dr. Nancollas from 1 drug or device company in 2018. Speaker and faculty fees make up the largest share, 100% of the total. Shire North American Group Inc paid the most, $150.

Companies that paid Dr. Nancollas the most, 2018 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Nancollas

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

Dr. Paul H. Nancollas graduated from State University of New York at Buffalo School of Medicine

Dr. Nancollas graduated from State University of New York at Buffalo School of Medicine in 1985.

  1. Medical schoolState University of New York at Buffalo School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Paul H. Nancollas'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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. Paul H. Nancollas

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. Paul H. Nancollas' NPI number?

Dr. Paul H. Nancollas' NPI number is 1588627475. It was assigned on April 11, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Paul H. Nancollas?

Dr. Paul H. Nancollas is an ophthalmologist in Danville, Pennsylvania. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Paul H. Nancollas practice?

Dr. Nancollas practices at 100 N Academy Ave, Danville, PA 17822. Dr. Nancollas' primary practice is Geisinger Medical Center in Danville, Pennsylvania. Dmand AI also links Dr. Nancollas to 2 group practices and clinics and 1 medical group.

What is Dr. Paul H. Nancollas' office phone number?

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

What is Dr. Paul H. Nancollas' medical license number?

Dr. Nancollas holds Pennsylvania license MD036964E.

Which hospitals is Dr. Paul H. Nancollas affiliated with?

Dr. Nancollas is affiliated with Geisinger Lewistown Hospital.

What medical group is Dr. Paul H. Nancollas part of?

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

Does Dr. Paul H. Nancollas accept Medicare?

Yes. CMS data shows Dr. Nancollas billed Medicare for 1,354 services in 2024, and Dr. Nancollas accepts Medicare assignment.

How many Medicare patients does Dr. Paul H. Nancollas see?

CMS counts 1,152 Medicare patients who saw Dr. Nancollas in 2024, with an average age of 71.

What services does Dr. Paul H. Nancollas bill to Medicare?

In 2024, Dr. Nancollas' most billed Medicare services were eye exam or test (92228), eye exam or test (92014) and office visit, established patient (99213).

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Where did Dr. Paul H. Nancollas go to medical school?

Dr. Nancollas graduated from State University of New York at Buffalo School of Medicine in 1985.

What drugs does Dr. Paul H. Nancollas prescribe most?

In 2024 Medicare Part D data, Dr. Nancollas' most prescribed drugs by claims were Latanoprost, Timolol Maleate and Travoprost.

Has Dr. Paul H. Nancollas received payments from drug or device companies?

CMS Open Payments shows $150 in general payments to Dr. Nancollas from 1 company from 2018 to 2018. The largest total came from Shire North American Group Inc.

How long has Dr. Paul H. Nancollas been practicing?

Dr. Nancollas graduated from medical school in 1985, 41 years ago.

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