Gail Grunkemeyer, NP
NPI 1336602671 · Acute Care Nurse Practitioner · Grosse Pointe Woods, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gail Grunkemeyer, NP is a Acute Care Nurse Practitioner provider in Grosse Pointe Woods, MI (NPI 1336602671).
Provider details
- NPI number
- 1336602671
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704276376 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
301 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 156 | $82 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 76 | $56 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 32 | $114 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 14 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 12 | $83 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 95 | 57 |
| Prochlorperazine Maleate | 69 | 52 |
| Gabapentin | 55 | 23 |
| Anastrozole | 52 | 30 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 48 | 17 |
| Oxycodone Hcl | 39 | 11 |
| Morphine Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,239 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-12
- Last updated
- 2020-01-14
- Certified
- 2020-01-14
Frequently asked questions
- What is Gail Grunkemeyer's NPI number?
- Gail Grunkemeyer's National Provider Identifier (NPI) is 1336602671, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gail Grunkemeyer's specialty?
- Gail Grunkemeyer is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gail Grunkemeyer located?
- Gail Grunkemeyer's practice location on file with NPPES is 19229 Mack Ave Ste 24, Grosse Pointe Woods, MI 48236-2857.
- What is Gail Grunkemeyer's phone number?
- The practice phone number listed in the NPPES registry for Gail Grunkemeyer is (313) 884-5522.
- Does Gail Grunkemeyer accept Medicare?
- Gail Grunkemeyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gail Grunkemeyer's NPI active?
- Yes — Gail Grunkemeyer's NPI (1336602671) is active in the NPPES registry as of the last update on 2020-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.