Erin Obsniuk, CNP
NPI 1164906392 · Nurse Practitioner · Howell, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Obsniuk, CNP is a Nurse Practitioner provider in Howell, MI (NPI 1164906392).
Provider details
- NPI number
- 1164906392
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704293066 (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 tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
245 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 119 | $80 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 63 | $65 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 30 | $40 |
| Hemoglobin A1c Level83036 | 11 | $10 |
| Administration of Influenza Virus VaccineG0008 | 11 | $31 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 74 | 37 |
| Lisinopril | 46 | 24 |
| Amlodipine Besylate | 44 | 28 |
| Losartan Potassium | 38 | 22 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 35 | 20 |
| Levothyroxine Sodium | 29 | 16 |
Practice location
Mailing address
Additional practice locations (1)
- 202 W Highland Rd Ste aHowell, MI 48843-1162Phone: (517) 338-9090Fax: (517) 338-9083
Registry dates
- Enumerated
- 2018-09-24
- Last updated
- 2025-08-04
- Certified
- 2025-08-04
Frequently asked questions
- What is Erin Obsniuk's NPI number?
- Erin Obsniuk's National Provider Identifier (NPI) is 1164906392, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Obsniuk's specialty?
- Erin Obsniuk is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erin Obsniuk located?
- Erin Obsniuk's practice location on file with NPPES is 3477 E Grand River Ave, Howell, MI 48843-8552.
- What is Erin Obsniuk's phone number?
- The practice phone number listed in the NPPES registry for Erin Obsniuk is (517) 234-6540.
- Does Erin Obsniuk accept Medicare?
- Erin Obsniuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Obsniuk's NPI active?
- Yes — Erin Obsniuk's NPI (1164906392) is active in the NPPES registry as of the last update on 2025-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.