Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

WILLIAM E SHAY MD
NPI 1033198627
Internal Medicine in Provincetown, MA

Q: What is William Shay's NPI number?

The NPI number for William Shay is 1033198627. It was assigned to this individual provider in the NPPES registry on January 11, 2006.

Q: What is William Shay's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for William Shay was last updated on July 8, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since January 11, 2006PECOS EnrolledAccepts Medicare Assignment

49 HARRY KEMP WAY, PROVINCETOWN, MA 02657(508) 487-9395(508) 487-6298 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About William E Shay Md NPPES

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

WILLIAM E SHAY MD (NPI 1033198627) is an individual internal medicine provider in Provincetown, Massachusetts, licensed in Massachusetts (202858) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Cape Cod Hospital, and is a graduate of Albany Medical College Of Union University (1981).

NPPES Registry Identity

NPI1033198627

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameWILLIAM E SHAYCredential: MD

Location Address49 HARRY KEMP WAYProvincetown, MA 02657-1618

Mailing AddressPo Box 2796Orleans, MA 02653-6796 · (508) 487-9395 · Fax (508) 487-6298

Phone(508) 487-9395

Fax(508) 487-6298

Sole ProprietorNo

Medical School CMSAlbany Medical College Of Union UniversityGraduated 1981

Enumeration DateJanuary 11, 2006

Last NPPES UpdateJuly 8, 2026

NPPES CertifiedJuly 8, 2026

✔ NPI 1033198627 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in MA · 202858✔ Licensed in NY · 151526

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

49 HARRY KEMP WAY, Provincetown, MA 02657

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Other Identifiers 2

Medicaid110091651AMA

Medicaid00980667NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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 E Shay Md 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 ID9436252723

PECOS Enrollment IDI20070306000615, I20101102000061

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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

93 services88 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

23 services20 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

13 services13 patients

Electrocardiogram, routine ecg with 12 leads; tracing only, without interpretation and report, performed as a screening for the initial preventive physical examination G0404

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. A routine 12-lead ECG provides data from different angles of the heart to screen for any abnormalities. This version of the test only involves tracing the heart's rhythm and doesn't include an interpretation or report.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Cape Cod Hospital

Acute Care Hospitals · Hyannis, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220012

Location27 Park StreetHyannis, MA 02601 · Barnstable County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02657 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

$134.47 typical visit price

range $58.86 – $177.36

Typical copayment $33.61 (range $14.71 – $44.34)

Most-billed visit code 99204

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 19

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

7 suppliers49 claims80 services$4.97 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

6 suppliers24 claims31 services$0.75 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604