Dr. William M. Unwin, MD
- Medicare services, 2022
- 13
- Part D claims, 2024
- 15
- Hospital affiliations
- 1
- Industry payments
- $4,642
- Medical groups
- 2
- Practice address
- 1693 S Queen St, York, PA 17403
- Practice phone
- Call (717) 812-2316
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wellspan OB/GYN
York, Pennsylvania
Find Dr. Unwin'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 M. Unwin is an OB-GYN in York, Pennsylvania
Dr. Unwin practices at Wellspan OB/GYN in York, Pennsylvania.
Dr. Unwin's NPI, 1801840608, was assigned on May 19, 2006. Dr. Unwin holds Pennsylvania license MD037927E.
- NPI
- 1801840608NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123210408
- NPI enumeration date
- May 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (717) 812-2316
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William M. Unwin practices at Wellspan OB/GYN in York, Pennsylvania
Dr. Unwin's primary practice is Wellspan OB/GYN, at 1693 S Queen St, York, PA 17403 in York County. The practice phone is (717) 812-2316.
- Wellspan OB/GYN1693 S Queen St, York, PA 17403 · York CountyPhone(717) 812-2316
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William M. Unwin is affiliated with 4 sites of care and 2 medical groups
Dr. Unwin's primary practice is Wellspan OB/GYN in York, Pennsylvania. Dr. Unwin is also affiliated with WellSpan Good Samaritan Hospital. The medical group on file is WellSpan Digestive Health. Dmand AI also links Dr. Unwin to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William M. Unwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Unwin practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellspan OB/GYN | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William M. Unwin is one of 1,573 OB-GYNs in Pennsylvania
Obstetrics and gynecology is Dr. Unwin's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Unwin is licensed in Pennsylvania.
Specialties and state licenses
- Obstetrics and gynecology, PennsylvaniaPrimary
OB-GYNs near Dr. Unwin
Counts of OB-GYNs 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 M. Unwin billed Medicare for 13 services in 2022
CMS data shows 13 Medicare services from Dr. Unwin across 1 procedure code in 2022. Medicare paid $144 for them. Every service was in an office.
Dr. Unwin's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 272022: 1352%
- Drugs given in the office
- 2021: 1,3802022: 0100%
- Other services
- 2021: 252022: 0100%
- Office and hospital visits
- 2021: 302022: 0100%
Dr. Unwin compared with the Pennsylvania median for OB-GYNs, 2022
- Dr. Unwin
- Pennsylvania median
- Medicare services
- 13vs 5878% below
- Part D claims
- 12vs 3969% below
Medians across 1,317 OB-GYNs in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Unwin'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.
Need commercial claims for Dr. Unwin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Unwin and other OB-GYNs in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William M. Unwin's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Dr. Unwin's median patient age at 32, with 100% women.
Dr. Unwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. William M. Unwin wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Unwin wrote 15 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $9 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Unwin'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: 112024: 129%
Drugs named by CMS: 1 in 2024, 1 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
How Dr. William M. Unwin takes part in Medicare
Dr. Unwin 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. William M. Unwin received $4,642 in industry payments from 2016 to 2025
CMS Open Payments shows 37 general payments to Dr. Unwin from 12 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 86% of the total. Merck Sharp & Dohme Corporation paid the most, $4,279.
General payments to Dr. Unwin by program year, 2016 to 2025
General payments to Dr. Unwin by kind, 2016 to 2025
- Speaker and faculty fees$4,00086%
- Food and beverage$44710%
- Travel and lodging$1493%
- Education$461%
Companies that paid Dr. Unwin the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William M. Unwin'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) |
| 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) |
| 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 M. Unwin
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 M. Unwin's NPI number?
Dr. William M. Unwin's NPI number is 1801840608. It was assigned on May 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William M. Unwin?
Dr. William M. Unwin is an OB-GYN in York, Pennsylvania. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. William M. Unwin practice?
Dr. Unwin practices at 1693 S Queen St, York, PA 17403. Dr. Unwin's primary practice is Wellspan OB/GYN in York, Pennsylvania. Dmand AI also links Dr. Unwin to 2 group practices and clinics and 1 medical group.
What is Dr. William M. Unwin's office phone number?
The practice phone on file for Dr. Unwin is (717) 812-2316.
What is Dr. William M. Unwin's medical license number?
Dr. Unwin holds Pennsylvania license MD037927E.
Which hospitals is Dr. William M. Unwin affiliated with?
Dr. Unwin is affiliated with WellSpan Good Samaritan Hospital.
What medical group is Dr. William M. Unwin part of?
Dr. Unwin is linked to WellSpan Digestive Health. Dmand AI links Dr. Unwin to 1 more medical group.
Does Dr. William M. Unwin accept Medicare?
Yes. CMS data shows Dr. Unwin billed Medicare for 13 services in 2022, and Dr. Unwin accepts Medicare assignment.
What services does Dr. William M. Unwin bill to Medicare?
In 2022, Dr. Unwin's most billed Medicare services were infusion or chemotherapy administration (96372).
What drugs does Dr. William M. Unwin prescribe most?
In 2024 Medicare Part D data, Dr. Unwin's most prescribed drugs by claims were Acyclovir.
Has Dr. William M. Unwin received payments from drug or device companies?
CMS Open Payments shows $4,642 in general payments to Dr. Unwin from 12 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. William M. Unwin been practicing?
Dr. Unwin graduated from medical school in 1975, 51 years ago.
Selling to obstetrics and gynecology practices?
See OB-GYNs in Pennsylvania by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card