Doctor profile · Federal record

Dr. Ellison Timmer, N.P.

Family Nurse Practitioner (CMS: Nurse Practitioner) · Holland, MI

  • NPI 1982976304
  • Accepts Medicare
  • MIPS 85.5 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12460 Riley St
Holland, MI 494248217
(616) 399-6500
fax (616) 399-1908
Mailing address
5800 Foremost Dr Se Ste 300
Grand Rapids, MI 495467062

Credentials & registration

NPPES · NUCC
NPI registered
February 2012 — 14 yrs on file
Profile last updated
March 13, 2020
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Michigan #4704260596

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982976304. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
364
Distinct HCPCS
6
Medicare allowed
$13,301
HCPCS Description Services Patients Avg allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg 196 11 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 71 57 $104
96375 Injection of additional new drug or substance into vein 45 13 $12
96413 Administration of chemotherapy into vein, 1 hour or less 25 16 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 15 13 $73
99215 Established patient office or other outpatient visit, 40-54 minutes 12 11 $145

In context: peer comparison

Among 10 peers in this city , average services per provider: 41. This provider delivers 8.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$688
Transactions
30
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 2 $141.13
ABBVIE INC. 6 $116.34
SpringWorks Therapeutics, Inc. 4 $66.41
AstraZeneca Pharmaceuticals LP 3 $62.19
Eisai Inc. 2 $37.98
Gilead Sciences, Inc. 2 $36.23
PUMA BIOTECHNOLOGY, INC. 2 $34.75
Merck Sharp & Dohme LLC 1 $32.33
PFIZER INC. 2 $31.90
SERVIER PHARMACEUTICALS LLC 1 $24.51
Lilly USA, LLC 1 $21.31
Janssen Biotech, Inc. 1 $21.29
Novartis Pharmaceuticals Corporation 1 $16.65
GlaxoSmithKline, LLC. 1 $16.20
Acrotech Biopharma Inc. 1 $14.84

By nature of payment

Food and Beverage
$672
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
295
Patients
64
Total drug cost
$6,971
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 46 22 $907
Anastrozole Generic 40 15 $1,455
Prednisone Generic 40 14 $424
Tramadol Hcl Generic 28 0 $1,223
Letrozole Generic 26 0 $1,282
Gabapentin Generic 23 13 $480
Escitalopram Oxalate Generic 22 0 $190
Tamsulosin Hcl Generic 16 0 $153
Hydroxyurea Generic 15 0 $361
Hydrochlorothiazide Generic 14 0 $30

Frequently asked questions

Auto-generated from federal data
What is Dr. Ellison Timmer's medical specialty?
Dr. Ellison Timmer practices Family Nurse Practitioner in Holland, MI.
Where does Dr. Ellison Timmer practice?
Dr. Ellison Timmer practices at 12460 Riley St, Holland, MI 494248217. Office phone: 6163996500.
What is Dr. Ellison Timmer's NPI?
Dr. Ellison Timmer's National Provider Identifier (NPI) is 1982976304, issued by NPPES.
Does Dr. Ellison Timmer accept Medicare assignment?
Yes. Dr. Ellison Timmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ellison Timmer commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99214); Injection of additional new drug or substance into vein (HCPCS 96375). Source: CMS Medicare Physician & Other Practitioners file.