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ERIN OBSNIUK CNP
NPI 1164906392
Nurse Practitioner in Howell, MI

Active since September 24, 2018PECOS EnrolledAccepts Medicare Assignment
3477 E GRAND RIVER AVE, HOWELL, MI 48843(517) 234-6540(517) 338-9083 Get Directions Write a Review

NPPES record last updated: August 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 4, 2025, Jan 10, 2022, Jun 17, 2019 and 2 more (5 updates tracked since 2018).

About Erin Obsniuk Cnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ERIN OBSNIUK CNP (NPI 1164906392) is an individual nurse practitioner in Howell, Michigan, licensed in Michigan (4704293066) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS, is affiliated with Saint Joseph Mercy Livingston Hospital, and maintains a secondary practice location in Howell.

NPPES Registry Identity

NPI1164906392
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameERIN OBSNIUKCredential: CNP
Location Address3477 E GRAND RIVER AVEHowell, MI 48843-8552
Mailing Address24 Frank Lloyd Wright Dr Lbby J2000Ann Arbor, MI 48105-9484 · (734) 747-6766
Phone(517) 234-6540
Fax(517) 338-9083
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateSeptember 24, 2018
Last NPPES UpdateAugust 4, 20255 updates tracked since enumeration
NPPES CertifiedAugust 4, 2025
✔ NPI 1164906392 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MI · 4704293066
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
3477 E GRAND RIVER AVE, Howell, MI 48843
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Other Names 1

Former Name (1)Erin Lahaie Cnp

Secondary Practice Location 1

Location 1202 W Highland Rd Ste AHowell, MI 48843-1162 · Phone (517) 338-9090 · Fax (517) 338-9083

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Erin Obsniuk Cnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941545834
PECOS Enrollment IDI20181220002977
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
119 services99 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
63 services62 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
30 services30 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
11 services11 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Saint Joseph Mercy Livingston Hospital

Acute Care Hospitals · Howell, MI
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230069
Location620 Byron RdHowell, MI 48843 · Livingston County
Emergency services

Trinity Health Ann Arbor Hospital

Acute Care Hospitals · Ann Arbor, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230156
Location5301 E Huron River DrAnn Arbor, MI 48106 · Washtenaw County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48843 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CARRANDA KOOP M.D.
Internal Medicine
3477 E GRAND RIVER AVE
HOWELL, MI 48843
Livingston County (517) 234-6540
SARA HALAMA DPT
Physical Therapist
3477 E GRAND RIVER AVE
HOWELL, MI 48843
Livingston County (248) 956-6400
ELLEN TUMBARELLA DO
Family Medicine
3477 E GRAND RIVER AVE
HOWELL, MI 48843
Livingston County (517) 234-6540

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Erin Obsniuk's NPI number?

The NPI number for Erin Obsniuk is 1164906392. It was assigned to this individual provider in the NPPES registry on September 24, 2018. The provider is also known as Erin Lahaie Cnp.

Where is Erin Obsniuk located?

Erin Obsniuk practices at 3477 E Grand River Ave, Howell, MI 48843. The listed phone number is (517) 234-6540.

What is Erin Obsniuk's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Erin Obsniuk enrolled in Medicare?

Yes. Erin Obsniuk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Erin Obsniuk accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Erin Obsniuk as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Erin Obsniuk affiliated with any hospitals?

According to CMS data, Erin Obsniuk is affiliated with Saint Joseph Mercy Livingston Hospital and Trinity Health Ann Arbor Hospital.

When was this NPI record last updated?

The NPPES record for Erin Obsniuk was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.