Doctor profile · Federal record
Dr. John Mercer, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Obstetrics & Gynecology Physician · Nampa, ID
- NPI 1205988540
- Accepts Medicare
- 29 yrs in practice
- Licensed in 3 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
4424 E Flamingo Ave Ste 200
Nampa, ID 836879300
(208) 302-1400
fax (208) 302-1455 - Additional location
-
715 S 3Rd St
Montrose, CO 814014209
(970) 249-6737
fax (970) 252-0112 - Additional location
-
900 S 4Th St
Montrose, CO 814014226
(970) 249-6737
fax (970) 252-0112 - Mailing address
-
715 S 3Rd St
Montrose, CO 814014209
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- September 2, 2025
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State licenses (3)
- Idaho #3971468 · Louisiana #L023779 · Colorado #CDR.0000210
- Medicaid (2)
- CO #9000166884 · LA #1487163
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205988540. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$105
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| INTUITIVE SURGICAL, INC. | 1 | $99.23 | |
| Organon Llc | 1 | $5.43 |
By nature of payment
Frequently asked questions
What is Dr. John Mercer's medical specialty?
Dr. John Mercer practices Obstetrics & Gynecology Physician in Nampa, ID.
Where does Dr. John Mercer practice?
Dr. John Mercer practices at 4424 E Flamingo Ave Ste 200, Nampa, ID 836879300. Office phone: 2083021400.
What is Dr. John Mercer's NPI?
Dr. John Mercer's National Provider Identifier (NPI) is 1205988540, issued by NPPES.
Does Dr. John Mercer accept Medicare assignment?
Yes. Dr. John Mercer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.