Doctor profile · Federal record

Dr. Erin Obsniuk, CNP

Nurse Practitioner · Howell, MI

  • NPI 1164906392
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3477 E Grand River Ave
Howell, MI 488438552
(517) 234-6540
fax (517) 338-9083
Additional location
202 W Highland RD Ste A
Howell, MI 488431162
(517) 338-9090
Mailing address
24 Frank Lloyd Wright Dr Lbby J2000
Ann Arbor, MI 481059484

Credentials & registration

NPPES · NUCC
NPI registered
September 2018 — 8 yrs on file
Profile last updated
August 4, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Michigan #4704293066

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164906392. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
265
Distinct HCPCS
7
Medicare allowed
$16,487
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 94 80 $82
99213 Established patient office or other outpatient visit, 20-29 minutes 80 71 $62
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 28 28 $36
83036 Hemoglobin a1c level 18 18 $9
G0008 Administration of influenza virus vaccine 18 18 $29
90662 Influenza vaccine split virus, preservative free 16 16 $72
99495 Transitional care management services for problem of at least moderate complexity 11 11 $84

In context: peer comparison

Among 3 peers in this city , average services per provider: 60. This provider delivers 4.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
543
Patients
317
Total drug cost
$8,746
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 113 59 $2,213
Levothyroxine Sodium Generic 60 30 $875
Omeprazole Generic 46 23 $738
Amlodipine Besylate Generic 44 29 $521
Lisinopril Generic 42 26 $530
Losartan Potassium Generic 35 23 $711
Gabapentin Generic 30 21 $605
Hydrochlorothiazide Generic 29 19 $180
Trazodone Hcl Generic 29 15 $262
Prednisone Generic 24 22 $55

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Erin Obsniuk's medical specialty?
Dr. Erin Obsniuk practices Nurse Practitioner in Howell, MI.
Where does Dr. Erin Obsniuk practice?
Dr. Erin Obsniuk practices at 3477 E Grand River Ave, Howell, MI 488438552. Office phone: 5172346540.
What is Dr. Erin Obsniuk's NPI?
Dr. Erin Obsniuk's National Provider Identifier (NPI) is 1164906392, issued by NPPES.
Does Dr. Erin Obsniuk accept Medicare assignment?
Yes. Dr. Erin Obsniuk accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erin Obsniuk commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.