Rachel Gruenberg, FNP-C
NPI 1821472531 · Family Nurse Practitioner · Bismarck, ND
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rachel Gruenberg, FNP-C is a Family Nurse Practitioner provider in Bismarck, ND (NPI 1821472531).
Provider details
- NPI number
- 1821472531
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- R31946 (ND)
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
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,815 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 292 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 206 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 198 | $105 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 193 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 153 | $13 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 121 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 203 | 48 |
| Atorvastatin Calcium | 203 | 51 |
| Amlodipine Besylate | 174 | 40 |
| Lisinopril | 167 | 45 |
| Levothyroxine Sodium | 166 | 35 |
| Pravastatin Sodium | 134 | 39 |
| Simvastatin | 112 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
Additional practice locations (1)
- 831 S BroadwayMinot, ND 58701-4636Phone: (701) 857-3535Fax: (701) 857-5171
Registry dates
- Enumerated
- 2015-07-13
- Last updated
- 2026-01-05
- Certified
- 2026-01-05
Frequently asked questions
- What is Rachel Gruenberg's NPI number?
- Rachel Gruenberg's National Provider Identifier (NPI) is 1821472531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachel Gruenberg's specialty?
- Rachel Gruenberg is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Rachel Gruenberg located?
- Rachel Gruenberg's practice location on file with NPPES is 1800 E Interstate Ave, Bismarck, ND 58503-1399.
- What is Rachel Gruenberg's phone number?
- The practice phone number listed in the NPPES registry for Rachel Gruenberg is (701) 323-8800.
- Does Rachel Gruenberg accept Medicare?
- Rachel Gruenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rachel Gruenberg's NPI active?
- Yes — Rachel Gruenberg's NPI (1821472531) is active in the NPPES registry as of the last update on 2026-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.