Digit J Ophthalmol
Anterior ChamberExfoliation SyndromeFluorescein Angiography
Dr. William Ensor, DO
NPI1942658984PAC ID4082902549
- Medicare services, 2024
- 603
- Medicare patients, 2024
- 275
- Part D claims, 2024
- 1,279
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 16 Montgomery Village Ln, Danville, PA 17821
- Practice phone
- Call (570) 214-9631
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Geisinger Medical Center
Danville, Pennsylvania
Find Dr. Ensor's professional email, personal email and mobile number
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Dr. William Ensor is an ophthalmologist in Danville, Pennsylvania
Dr. Ensor practices at Geisinger Medical Center in Danville, Pennsylvania.
Dr. Ensor's NPI, 1942658984, was assigned on June 1, 2016. Dr. Ensor graduated from Philadelphia College of Osteopathic Medicine in 2016. Dr. Ensor holds Pennsylvania license OS020519.
NPI and contact details
- NPI
- 1942658984NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082902549
- NPI enumeration date
- June 1, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (570) 214-9631
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Ensor practices at Geisinger Medical Center in Danville, Pennsylvania
Dr. Ensor's primary practice is Geisinger Medical Center, at 16 Montgomery Village Ln, Danville, PA 17821 in Montour County. The practice phone is (570) 214-9631.
- Geisinger Medical Center16 Montgomery Village Ln, Danville, PA 17821 · Montour CountyPhone(570) 214-9631
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Ensor is affiliated with 5 sites of care and 2 medical groups
Dr. Ensor's primary practice is Geisinger Medical Center in Danville, Pennsylvania. Dr. Ensor is also affiliated with Geisinger Medical Center. The medical group on file is Geisinger. Dmand AI also links Dr. Ensor to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Geisinger Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Ensor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ensor practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Geisinger Medical Center | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Ensor is one of 843 ophthalmologists in Pennsylvania
Ophthalmology is Dr. Ensor's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Ensor is licensed in Pennsylvania.
Specialties and state licenses
- Ophthalmology, PennsylvaniaPrimary
Ophthalmologists near Dr. Ensor
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. William Ensor billed Medicare for 603 services in 2024
CMS data shows 603 Medicare services from Dr. Ensor across 12 procedure codes in 2024, for 275 Medicare patients. Medicare paid $50,531 for them.
Medicare services, 2024603
Medicare patients275
Paid by Medicare$50,531
Procedure codes12
Dr. Ensor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3722024: 3418%
- Tests and treatments
- 2023: 2602024: 20023%
- Surgery
- 2023: 652024: 625%
- Imaging
- 2023: 202024: 0100%
Where Dr. Ensor's Medicare services took place, 2024
- In an office55592%
- In a facility488%
Dr. Ensor compared with the Pennsylvania median for ophthalmologists, 2024
- Dr. Ensor
- Pennsylvania median
- Medicare services
- 603vs 1,33655% below
- Medicare patients
- 275vs 52448% below
- Part D claims
- 1,169vs 62089% above
Medians across 854 ophthalmologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Ensor'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.
Need commercial claims for Dr. Ensor?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ensor and other ophthalmologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Ensor treated 275 Medicare patients in 2024, average age 73
CMS counts 275 Medicare patients who saw Dr. Ensor in 2024. The largest group is 65 to 74, with 130 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ensor's median patient age at 75, with 53% women.
Medicare patients, 2024275
Average age73
Average risk score1.31
Also on Medicaid15%
Dr. Ensor's Medicare patients by age, 2024
Dr. Ensor's Medicare patients by sex, 2024
- Women15757%
- Men11843%
Chronic conditions among Dr. Ensor's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis39%
- Diabetes39%
- Mood disorders31%
- Chronic kidney disease29%
- Depression28%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ensor'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
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Ensor wrote 1,279 Medicare Part D claims in 2024
In 2024, Dr. Ensor wrote 1,279 Medicare Part D claims for 304 patients. 65% of them were for generic drugs. CMS names the drug for 1,169 of them, across 15 drugs with 11 or more claims each, at $105,919 in total drug cost. In 2023, CMS named 856 claims across 14 drugs.
Part D claims, 20241,279
Drugs named by CMS15
Total drug cost$105,919
Part D patients304
Dr. Ensor's Part D claims by kind of drug, 2024
- Generic828 claims65%
- Brand-name451 claims35%
Dr. Ensor'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8562024: 1,16937%
Drugs named by CMS: 15 in 2024, 14 in 2023.
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. William Ensor ranks in the 79th percentile for cataract surgery in Medicare
Dr. Ensor accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 141 procedures of cataract surgery by Dr. Ensor, more than 79% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ensor ranks in Medicare procedure volume
- Cataract surgery
- 79th percentile141 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. William Ensor has 2 publications on record
Dmand AI links 2 papers to Dr. Ensor, published from 2018 to 2020. Dr. Ensor's most frequent co-authors are Joanna Marie Olson, MD and Tamara R. Vrabec, MD.
Papers2
Years published2018 to 2020
Dr. Ensor's most frequent co-authors
Recent publications by Dr. Ensor
Int Ophthalmol
Corneal DiseasesEndotamponadeEpithelium, Corneal
See who Dr. Ensor researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ensor works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William Ensor received $2,172 in industry payments from 2017 to 2021
CMS Open Payments shows 26 general payments to Dr. Ensor from 5 drug and device companies from 2017 to 2021. Travel and lodging make up the largest share, 58% of the total. Bausch Health Americas, Inc. paid the most, $1,761.
General payments to Dr. Ensor by program year, 2017 to 2021
General payments to Dr. Ensor by kind, 2017 to 2021
$2.2Kin total
- Travel and lodging$1,26858%
- Food and beverage$80537%
- Education$985%
Companies that paid Dr. Ensor the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Ensor graduated from Philadelphia College of Osteopathic Medicine
Dr. Ensor graduated from Philadelphia College of Osteopathic Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Ensor'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. William Ensor
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. William Ensor's NPI number?
Dr. William Ensor's NPI number is 1942658984. It was assigned on June 1, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. William Ensor?
Dr. William Ensor is an ophthalmologist in Danville, Pennsylvania. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. William Ensor practice?
Dr. Ensor practices at 16 Montgomery Village Ln, Danville, PA 17821. Dr. Ensor's primary practice is Geisinger Medical Center in Danville, Pennsylvania. Dmand AI also links Dr. Ensor to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. William Ensor's office phone number?
The practice phone on file for Dr. Ensor is (570) 214-9631.
What is Dr. William Ensor's medical license number?
Dr. Ensor holds Pennsylvania license OS020519.
Which hospitals is Dr. William Ensor affiliated with?
Dr. Ensor is affiliated with Geisinger Medical Center. Dmand AI links Dr. Ensor to 1 more hospital.
What medical group is Dr. William Ensor part of?
Dr. Ensor is linked to Geisinger. Dmand AI links Dr. Ensor to 1 more medical group.
Does Dr. William Ensor accept Medicare?
Yes. CMS data shows Dr. Ensor billed Medicare for 603 services in 2024, and Dr. Ensor accepts Medicare assignment.
How many Medicare patients does Dr. William Ensor see?
CMS counts 275 Medicare patients who saw Dr. Ensor in 2024, with an average age of 73.
What services does Dr. William Ensor bill to Medicare?
In 2024, Dr. Ensor's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: eye (66984).
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Where did Dr. William Ensor go to medical school?
Dr. Ensor graduated from Philadelphia College of Osteopathic Medicine in 2016.
What drugs does Dr. William Ensor prescribe most?
In 2024 Medicare Part D data, Dr. Ensor's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Erythromycin.
Has Dr. William Ensor received payments from drug or device companies?
CMS Open Payments shows $2,172 in general payments to Dr. Ensor from 5 companies from 2017 to 2021. The largest total came from Bausch Health Americas, Inc.
How long has Dr. William Ensor been practicing?
Dr. Ensor graduated from medical school in 2016, 10 years ago.
Does Dr. William Ensor do research?
Dmand AI links 2 publications to Dr. Ensor, published from 2018 to 2020.
Who does Dr. William Ensor publish with?
Dr. Ensor's most frequent co-authors are Joanna Marie Olson, MD (1 shared paper) and Tamara R. Vrabec, MD (1 shared paper).
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