Doctor profile · Federal record

Dr. Marissa Niemeyer, MSN, AGPCNP-C

Gerontology Nurse Practitioner · Grand Rapids, MI

  • NPI 1003485194
  • 5 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
145 Michigan St Ne Ste 3410
Grand Rapids, MI 495032563
(616) 391-9945
Mailing address
100 Michigan St Ne # Mc845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
June 2021 — 5 yrs on file
Profile last updated
January 31, 2025
Specialty taxonomy
363LG0600X — NUCC code
State license (1)
Michigan #4704330088

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003485194. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,806
Distinct HCPCS
10
Medicare allowed
$133,360
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 550 77 $87
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 344 54 $87
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 287 76 $61
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 190 47 $61
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 108 17 $51
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 103 16 $38
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 84 47 $125
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 77 39 $32
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 24 21 $32
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 16 12 $125

In context: peer comparison

Among 33 peers in Grand Rapids Gerontology Nurse Practitioner, average services per provider: 67. This provider delivers 27× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$457
Transactions
10
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 2 $169.97
Otsuka America Pharmaceutical, INC. 5 $160.53
Genzyme Corporation 1 $86.26
Abbvie INC. 1 $26.27
Mylan Specialty L.P. 1 $14.38

By nature of payment

Food and Beverage
$457

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,591
Patients
242
Total drug cost
$158,530
Drug Type Claims Patients Total cost
Jardiance (Empagliflozin) Brand 251 23 $80,374
Levothyroxine Sodium Generic 133 21 $2,324
Atorvastatin Calcium Generic 125 31 $2,394
Gabapentin Generic 124 34 $2,747
Famotidine Generic 103 27 $1,498
Metoprolol Succinate Generic 102 20 $2,079
Lisinopril Generic 97 16 $1,404
Eliquis (Apixaban) Brand 94 17 $25,076
Tradjenta (Linagliptin) Brand 93 0 $25,001
Sertraline Hcl Generic 90 15 $1,288

Frequently asked questions

Auto-generated from federal data
What is Dr. Marissa Niemeyer's medical specialty?
Dr. Marissa Niemeyer practices Gerontology Nurse Practitioner in Grand Rapids, MI.
Where does Dr. Marissa Niemeyer practice?
Dr. Marissa Niemeyer practices at 145 Michigan St Ne Ste 3410, Grand Rapids, MI 495032563. Office phone: 6163919945.
What is Dr. Marissa Niemeyer's NPI?
Dr. Marissa Niemeyer's National Provider Identifier (NPI) is 1003485194, issued by NPPES.
What procedures does Dr. Marissa Niemeyer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.