Doctor profile · Federal record

Dr. Mary Guay, PA-C

Physician Assistant · Physician Assistant · Physician Assistant · Physician Assistant · Baltimore, MD

  • NPI 1790769008
  • MIPS 74.4 / 100 · 2023
  • 21 yrs on file
  • Licensed in 4 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1800 Orleans St
Baltimore, MD 212870010
(410) 502-2037
fax (410) 955-0737
Additional location
200 W Arbor Dr
San Diego, CA 921039000
(800) 926-8273
Mailing address
6201 Greenleigh Ave
Middle River, MD 212202004

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
January 24, 2024
Specialty taxonomy
363A00000X — NUCC code
State licenses (4)
Maryland #C05161 · Indiana #10001429A · Pennsylvania #MA053807 · California #56513

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790769008. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$487
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Amgen INC. 2 $253.92
Takeda Pharmaceuticals U.S.A., INC. 1 $116.98
Sanofi-Aventis U.S. LLC 1 $67.16
Ipsen Biopharmaceuticals, INC 1 $30.10
Pfizer INC. 1 $19.29

By nature of payment

Food and Beverage
$487

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Guay's medical specialty?
Dr. Mary Guay practices Physician Assistant in Baltimore, MD.
Where does Dr. Mary Guay practice?
Dr. Mary Guay practices at 1800 Orleans St, Baltimore, MD 212870010. Office phone: 4105022037.
What is Dr. Mary Guay's NPI?
Dr. Mary Guay's National Provider Identifier (NPI) is 1790769008, issued by NPPES.