Doctor profile · Federal record

Dr. William Shay, MD

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Provincetown, MA

  • NPI 1033198627
  • Accepts Medicare
  • 45 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
49 Harry Kemp Way
Provincetown, MA 02657
(508) 487-9395
fax (508) 487-3285
Mailing address
Po Box 1413
Wellfleet, MA 02667

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
December 30, 2011
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Massachusetts #202858 · New York #151526
Medicaid
NY #00980667

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033198627. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
149
Distinct HCPCS
5
Medicare allowed
$1,999
HCPCS Description Services Patients Avg allowed
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 58 56 $7
83036 Hemoglobin a1c level 26 22 $10
77080 Dxa bone density measurement of hip, pelvis, spine 25 25 $30
71046 X-ray of chest, 2 views 22 21 $25
81002 Urinalysis, manual test 18 14 $3

In context: peer comparison

Among 3 peers in this city , average services per provider: 33. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,807
Patients
924
Total drug cost
$1,737,646
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 635 162 $12,874
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 387 40 $1,632,706
Lisinopril Generic 323 81 $3,282
Omeprazole Generic 276 91 $7,363
Valsartan Generic 267 80 $14,147
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 254 26 $31,403
Amlodipine Besylate Generic 240 68 $2,230
Levothyroxine Sodium Generic 210 53 $3,935
Tamsulosin Hcl Generic 193 61 $6,414
Clonazepam Generic 192 27 $1,634

Frequently asked questions

Auto-generated from federal data
What is Dr. William Shay's medical specialty?
Dr. William Shay practices Internal Medicine Physician in Provincetown, MA.
Where does Dr. William Shay practice?
Dr. William Shay practices at 49 Harry Kemp Way, Provincetown, MA 02657. Office phone: 5084879395.
What is Dr. William Shay's NPI?
Dr. William Shay's National Provider Identifier (NPI) is 1033198627, issued by NPPES.
Does Dr. William Shay accept Medicare assignment?
Yes. Dr. William Shay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Shay commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with tracing (HCPCS 93005); Hemoglobin a1c level (HCPCS 83036); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080). Source: CMS Medicare Physician & Other Practitioners file.