WILLIAM M. UNWIN M.D.
NPI 1801840608
Obstetrics & Gynecology in York, PA

Active since May 19, 2006PECOS EnrolledAccepts Medicare Assignment
1693 S QUEEN ST, YORK, PA 17403(717) 845-1621(717) 854-6939 Get Directions Write a Review

NPPES record last updated: March 13, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 13, 2025, Apr 6, 2022, Aug 31, 2020 (3 updates tracked since 2020).

About William M. Unwin M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM M. UNWIN M.D. (NPI 1801840608) is an individual obstetrics & gynecology provider in York, Pennsylvania, licensed in Pennsylvania (MD037927E) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Wellspan York Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1801840608
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameWILLIAM M. UNWINCredential: M.D.
Location Address1693 S QUEEN STYork, PA 17403-4609
Mailing Address601 Memory LnYork, PA 17402-2231 · (717) 851-1405
Fax(717) 854-6939
Sole ProprietorNo
Medical School CMSOtherGraduated 1975
Enumeration DateMay 19, 2006
Last NPPES UpdateMarch 13, 20253 updates tracked since enumeration
NPPES CertifiedMarch 13, 2025
NPI 1801840608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in PA · MD037927E
Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

1693 S QUEEN ST, York, PA 17403

Secondary Practice Locations 3

Location 11101 Edgar StYork, PA 17403-2862 · Phone (717) 812-4602
Location 2450 S Washington StGettysburg, PA 17325-2500 · Phone (717) 337-4487
Location 31001 S George StYork, PA 17403-3676 · Phone (717) 851-2348

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William M. Unwin M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8123210408
PECOS Enrollment IDI20101005000509
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wellspan York Hospital

Acute Care Hospitals · York, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390046
Location1001 South George StreetYork, PA 17403 · York County
Emergency services Birthing friendly

Wellspan Good Samaritan Hospital

Acute Care Hospitals · Lebanon, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390066
Location252 South 4th StreetLebanon, PA 17042 · Lebanon County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Obstetrics & Gynecology)
1693 S QUEEN ST
YORK, PA 17403
Dietitian, Registered
1693 S QUEEN ST
YORK, PA 17403
Midwife
1693 S QUEEN ST
YORK, PA 17403
Obstetrics & Gynecology
1693 S QUEEN ST
YORK, PA 17403
Advanced Practice Midwife
1693 S QUEEN ST
YORK, PA 17403
Obstetrics & Gynecology
1693 S QUEEN ST
YORK, PA 17403
Advanced Practice Midwife
1693 S QUEEN ST
YORK, PA 17403
Nurse Practitioner (Women's Health)
1693 S QUEEN ST
YORK, PA 17403

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Unwin's NPI number?

The NPI number for William Unwin is 1801840608. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is William Unwin located?

William Unwin practices at 1693 S Queen St, York, PA 17403. The listed phone number is (717) 845-1621.

What is William Unwin's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is William Unwin enrolled in Medicare?

Yes. William Unwin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is William Unwin affiliated with any hospitals?

According to CMS data, William Unwin is affiliated with Wellspan York Hospital and Wellspan Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for William Unwin was last updated on March 13, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.