Doctor profile · Federal record

Dr. James Walla, RN

Nurse Practitioner · Ann Arbor, MI

  • NPI 1689288615
  • 6 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4250 Plymouth RD
Ann Arbor, MI 481092700
(734) 764-6443
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
September 2020 — 6 yrs on file
Profile last updated
March 19, 2021
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Michigan #4704267270

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689288615. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$750
Transactions
38
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 10 $218.95
Lundbeck LLC 8 $133.48
Ironshore Pharmaceuticals INC. 4 $88.39
Abbvie INC. 4 $80.55
Janssen Pharmaceuticals, INC 3 $53.82
Corium, LLC 2 $47.42
Supernus Pharmaceuticals, INC. 2 $40.30
Takeda Pharmaceuticals U.S.A., INC. 2 $34.19
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $20.43
Axsome Therapeutics, INC. 1 $16.35
Neurocrine Biosciences, INC. 1 $16.15

By nature of payment

Food and Beverage
$750

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
57
Patients
0
Total drug cost
$2,375
Drug Type Claims Patients Total cost
Bupropion Xl (Bupropion Hcl) Brand 27 0 $1,574
Citalopram Hbr (Citalopram Hydrobromide) Brand 17 0 $90
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 13 0 $711

Frequently asked questions

Auto-generated from federal data
What is Dr. James Walla's medical specialty?
Dr. James Walla practices Nurse Practitioner in Ann Arbor, MI.
Where does Dr. James Walla practice?
Dr. James Walla practices at 4250 Plymouth RD, Ann Arbor, MI 481092700. Office phone: 7347646443.
What is Dr. James Walla's NPI?
Dr. James Walla's National Provider Identifier (NPI) is 1689288615, issued by NPPES.