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DR. PETER C LENHART M.D.
NPI 1831170646
Internal Medicine in Ada, MI

Active since November 09, 2005PECOS EnrolledAccepts Medicare Assignment
6741 E FULTON ST, STE 201, ADA, MI 49301(616) 685-2500(616) 685-2511 Get Directions Write a Review

NPPES record last updated: September 6, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 6, 2019, Dec 10, 2018 (2 updates tracked since 2018).

About Dr. Peter C Lenhart M.d. NPPES

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

DR. PETER C LENHART M.D. (NPI 1831170646) is an individual internal medicine provider in Ada, Michigan, licensed in Michigan (4301116956) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Mercy Health Saint Mary's, and is a graduate of Ohio State University College Of Medicine (1994).

NPPES Registry Identity

NPI1831170646
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. PETER C LENHARTCredential: M.D.
Location Address6741 E FULTON ST, STE 201Ada, MI 49301
Mailing Address6741 E Fulton St, Ste 201Ada, MI 49301 · (616) 685-2500 · Fax (616) 685-2511
Phone(616) 685-2500
Fax(616) 685-2511
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 1994
Enumeration DateNovember 9, 2005
Last NPPES UpdateSeptember 6, 20192 updates tracked since enumeration
✔ NPI 1831170646 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301116956
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
6741 E FULTON ST, Ada, MI 49301
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Peter C Lenhart M.d. 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 ID1052408713
PECOS Enrollment IDI20190509002138
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Peter Lenhart reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advantage Health Saint Mary's Medical Group
8.1 mi
Multi-Specialty
200 JEFFERSON SE
Grand Rapids, MI 49503
  • Reassigned Medicare billing, Michigan enrollment
  • 737 clinicians in this Medicare group
NPI 1952340911 (616) 685-5000
Mercy Medical Partners Northern Region LLC
130 mi
Multi-Specialty
1400 E SECOND ST
Defiance, OH 43512
  • Reassigned Medicare billing, Ohio enrollment
  • 136 clinicians in this Medicare group
NPI 1669756532 (419) 784-1414
Mercy Medical Partners Northern Region Specialty Care LLC
130 mi
Surgery
1400 E 2ND ST
Defiance, OH 43512
  • Reassigned Medicare billing, Ohio enrollment
  • 152 clinicians in this Medicare group
NPI 1730701749 (888) 696-3541

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.
153 services81 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
34 services20 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
30 services20 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.
29 services29 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Mercy Health Saint Mary's

Acute Care Hospitals · Grand Rapids, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230059
Location200 Jefferson Avenue SEGrand Rapids, MI 49503 · Kent County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49301 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers17 claims81 services$6.30 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

EMILY CORDES DO
Internal Medicine
6741 E FULTON ST, STE 201
ADA, MI 49301
Kent County (616) 685-2500

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 Peter Lenhart's NPI number?

The NPI number for Peter Lenhart is 1831170646. It was assigned to this individual provider in the NPPES registry on November 9, 2005.

Where is Peter Lenhart located?

Peter Lenhart practices at 6741 E Fulton St Ste 201, Ada, MI 49301. The listed phone number is (616) 685-2500.

What is Peter Lenhart's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Peter Lenhart enrolled in Medicare?

Yes. Peter Lenhart 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.

Which organizations bill Medicare for Peter Lenhart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Lenhart reassigns Medicare benefits to 3 organizations: Advantage Health Saint Mary's Medical Group (Grand Rapids, MI), Mercy Medical Partners Northern Region LLC (Defiance, OH) and Mercy Medical Partners Northern Region Specialty Care LLC (Defiance, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Lenhart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Lenhart accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Antidote Health Plan of Ohio, Inc. and Blue Care Network of Michigan and 4 other insurers list Peter Lenhart 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 Peter Lenhart affiliated with any hospitals?

According to CMS data, Peter Lenhart is affiliated with Mercy Health Saint Mary's.

When was this NPI record last updated?

The NPPES record for Peter Lenhart was last updated on September 6, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.