Dr. William Fred Prestowitz, MD
- Medicare services, 2022
- 714
- Part D claims, 2024
- 12
- Industry payments
- $233
- Medical group
- 1
- State license
- 1
- Practice address
- 245 Medical Park Dr, Marion, VA 24354
- Practice phone
- Call (276) 378-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Smyth County Community Hospital
Marion, Virginia
Find Dr. Prestowitz'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.
Dr. William Fred Prestowitz is an ophthalmologist in Marion, Virginia
Dr. Prestowitz practices at Smyth County Community Hospital in Marion, Virginia.
Dr. Prestowitz's NPI, 1235122151, was assigned on August 25, 2005. Dr. Prestowitz graduated from George Washington University School of Medicine in 1981. Dr. Prestowitz holds Virginia license 0101043622.
- NPI
- 1235122151NPI Registry (opens in a new tab)
- NPI enumeration date
- August 25, 2005
- NPI status
- Active
- Practice phone
- (276) 378-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William Fred Prestowitz practices at Smyth County Community Hospital in Marion, Virginia
Dr. Prestowitz's primary practice is Smyth County Community Hospital, at 245 Medical Park Dr, Marion, VA 24354 in Smyth County. The practice phone is (276) 378-1000.
- Smyth County Community Hospital245 Medical Park Dr, Marion, VA 24354 · Smyth CountyPhone(276) 378-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Fred Prestowitz is affiliated with 1 site of care and 1 medical group
Dr. Prestowitz's primary practice is Smyth County Community Hospital in Marion, Virginia. The medical group on file is Prospect Hill Radiology Group, PC.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William Fred Prestowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Prestowitz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Smyth County Community Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Fred Prestowitz is one of 504 ophthalmologists in Virginia
Ophthalmology is Dr. Prestowitz's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Prestowitz is licensed in Virginia.
Specialties and state licenses
- Ophthalmology, VirginiaPrimary
Ophthalmologists near Dr. Prestowitz
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 Fred Prestowitz billed Medicare for 714 services in 2022
CMS data shows 714 Medicare services from Dr. Prestowitz across 8 procedure codes in 2022. Medicare paid $37,149 for them. Every service was in an office.
Dr. Prestowitz's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 1,0302022: 44257%
- Tests and treatments
- 2021: 6582022: 24663%
- Surgery
- 2021: 542022: 1474%
- Imaging
- 2021: 212022: 1243%
Dr. Prestowitz compared with the Virginia median for ophthalmologists, 2022
- Dr. Prestowitz
- Virginia median
- Medicare services
- 714vs 1,92463% below
- Part D claims
- 33vs 52294% below
Medians across 517 ophthalmologists in Virginia with Dmand AI profiles that report each measure.
Dr. Prestowitz's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Prestowitz and other ophthalmologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Fred Prestowitz's patients have a median age of 81
Across all payers, Dmand AI patient panel data puts Dr. Prestowitz's median patient age at 81, with 57% women.
Dr. Prestowitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. William Fred Prestowitz wrote 12 Medicare Part D claims in 2024
In 2024, Dr. Prestowitz wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $373 in total drug cost. In 2022, CMS named 631 claims across 10 drugs.
Dr. Prestowitz's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 6312023: 3395%
Drugs named by CMS: 1 in 2023, 10 in 2022.
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
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Dr. William Fred Prestowitz received $233 in industry payments from 2016 to 2019
CMS Open Payments shows 6 general payments to Dr. Prestowitz from 4 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $103.
General payments to Dr. Prestowitz by program year, 2016 to 2019
Companies that paid Dr. Prestowitz the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William Fred Prestowitz graduated from George Washington University School of Medicine
Dr. Prestowitz graduated from George Washington University School of Medicine in 1981.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William Fred Prestowitz'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 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 Data |
| 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) |
| 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 Fred Prestowitz
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 Fred Prestowitz's NPI number?
Dr. William Fred Prestowitz's NPI number is 1235122151. It was assigned on August 25, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William Fred Prestowitz?
Dr. William Fred Prestowitz is an ophthalmologist in Marion, Virginia. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. William Fred Prestowitz practice?
Dr. Prestowitz practices at 245 Medical Park Dr, Marion, VA 24354. Dr. Prestowitz's primary practice is Smyth County Community Hospital in Marion, Virginia.
What is Dr. William Fred Prestowitz's office phone number?
The practice phone on file for Dr. Prestowitz is (276) 378-1000.
What is Dr. William Fred Prestowitz's medical license number?
Dr. Prestowitz holds Virginia license 0101043622.
What medical group is Dr. William Fred Prestowitz part of?
Dr. Prestowitz is linked to Prospect Hill Radiology Group, PC.
Does Dr. William Fred Prestowitz accept Medicare?
Yes. CMS data shows Dr. Prestowitz billed Medicare for 714 services in 2022.
What services does Dr. William Fred Prestowitz bill to Medicare?
In 2022, Dr. Prestowitz's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and eye exam or test (92133).
Where did Dr. William Fred Prestowitz go to medical school?
Dr. Prestowitz graduated from George Washington University School of Medicine in 1981.
What drugs does Dr. William Fred Prestowitz prescribe most?
In 2023 Medicare Part D data, Dr. Prestowitz's most prescribed drugs by claims were Latanoprost.
Has Dr. William Fred Prestowitz received payments from drug or device companies?
CMS Open Payments shows $233 in general payments to Dr. Prestowitz from 4 companies from 2016 to 2019. The largest total came from Alcon Laboratories Inc.
How long has Dr. William Fred Prestowitz been practicing?
Dr. Prestowitz graduated from medical school in 1981, 45 years ago.
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