Doctor profile · Federal record

Dr. Gail Grunkemeyer, NP

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Grosse Pointe Woods, MI

  • NPI 1336602671
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
19229 Mack Ave Ste 24
Grosse Pointe Woods, MI 482362857
(313) 884-5522
fax (313) 884-6054
Mailing address
18818 Hillcrest St
Livonia, MI 481523340

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
January 14, 2020
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
Michigan #4704276376

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336602671. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
331
Distinct HCPCS
5
Medicare allowed
$24,189
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 148 123 $58
99214 Established patient office or other outpatient visit, 30-39 minutes 114 84 $83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 40 17 $70
99215 Established patient office or other outpatient visit, 40-54 minutes 17 17 $118
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 11 $115

In context: peer comparison

Among 1 peers in this city , average services per provider: 66. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,239
Transactions
18
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 8 $476.26
Amgen Inc. 2 $220.50
GENZYME CORPORATION 1 $125.00
Genentech USA, Inc. 1 $124.80
Lilly USA, LLC 2 $119.22
Janssen Biotech, Inc. 1 $99.00
Eisai Inc. 2 $42.13
Incyte Corporation 1 $32.29

By nature of payment

Food and Beverage
$741
Long term medical supply or device loan
$399
Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
472
Patients
237
Total drug cost
$11,375
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 111 54 $2,911
Gabapentin Generic 65 31 $779
Anastrozole Generic 54 26 $2,031
Prochlorperazine Maleate Generic 42 39 $785
Oxycodone Hcl Generic 29 11 $1,739
Alprazolam Generic 23 0 $78
Morphine Sulfate Er (Morphine Sulfate) Brand 23 12 $676
Lidocaine-Prilocaine (Lidocaine/Prilocaine) Brand 20 19 $333
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 18 11 $655
Lorazepam Generic 16 0 $98

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gail Grunkemeyer's medical specialty?
Dr. Gail Grunkemeyer practices Acute Care Nurse Practitioner in Grosse Pointe Woods, MI.
Where does Dr. Gail Grunkemeyer practice?
Dr. Gail Grunkemeyer practices at 19229 Mack Ave Ste 24, Grosse Pointe Woods, MI 482362857. Office phone: 3138845522.
What is Dr. Gail Grunkemeyer's NPI?
Dr. Gail Grunkemeyer's National Provider Identifier (NPI) is 1336602671, issued by NPPES.
Does Dr. Gail Grunkemeyer accept Medicare assignment?
Yes. Dr. Gail Grunkemeyer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gail Grunkemeyer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.