Dr. John Whitney Mercer Jr., MD
Dr. John Whitney Mercer Jr., MD is an Obstetrics/Gynecology in Nampa, Idaho. Qualified in 1997, 29 years ago. Practices with Saint Alphonsus Regional Medical Center Inc, a 673-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Colorado, Idaho and Louisiana.
- Years since qualifying
- 29
- Licensed in
- CO, ID, LA
- In the registry since
- 2007
- Specialties on file
- 3
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
4424 E Flamingo Ave Ste 200Nampa, ID 83687-9300
Phone: (208) 302-1400
Fax: (208) 302-1455
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (2)
- 900 S 4th St, Montrose, CO 81401-4226 — (970) 249-6737
- 715 S 3rd St, Montrose, CO 81401-4209 — (970) 249-6737
Specialties & licences
| Obstetrics & Gynecology Physician (primary) | Taxonomy 207V00000X · Licence 3971468 (ID) |
|---|---|
| Obstetrics & Gynecology Physician | Taxonomy 207V00000X · Licence L023779 (LA) |
| Obstetrics & Gynecology Physician | Taxonomy 207V00000X · Licence CDR.0000210 (CO) |
Record details
| NPI number | 1205988540 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | Yes |
| NPI enumerated | January 17, 2007 |
| Last updated in NPPES | September 2, 2025 |
| Certification date | September 2, 2025 |
Medicare enrollment
| Medicare specialty | OBSTETRICS/GYNECOLOGY |
|---|---|
| Medical school | OTHER |
| Graduated | 1997 (29 years in practice) |
| Group practice | Saint Alphonsus Regional Medical Center Inc — 673 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 4 on file with Medicare |
Other providers in Nampa
-
Mr. John R. Kaiser, MDOB/GYN
215 E Hawaii Ave, Nampa, ID 83686-6011 · (208) 463-3138
-
Dr. Megan E Kasper
9850 St Lukes Dr, Nampa, ID 83687-7912 · (208) 463-3000
-
Aileen King, MD
9850 W St Lukes Dr Ste 280, Nampa, ID 83687-7912 · (208) 706-3220
-
Lifestages Ob-Gyn PLLC
3908 E Flamingo Ave, Nampa, ID 83687-3102 · (208) 442-8035
-
Ryan Pettit, DO
4424 E Flamingo Ste 200, Nampa, ID 83687 · (208) 302-1400
-
Jeffery Reese, DO
4424 E Flamingo Ave Ste 200, Nampa, ID 83687 · (208) 302-1400
-
Dr. Kenneth Leif Nathaniel Sjoren, DO
9850 W St Lukes Dr Ste 229, Nampa, ID 83687-7912 · (208) 205-7700
-
Dr. Linda Kay Walker, MD
4424 E Flamingo Ave Ste 200, Nampa, ID 83687 · (208) 302-1400