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LYNN A GRONBACH DO
NPI 1033418454
Family Medicine in Milford, OH

Active since March 24, 2011PECOS EnrolledAccepts Medicare Assignment
5914 WOLFPEN PLEASANT HILL RD STE E, MILFORD, OH 45150(513) 831-7503(513) 831-7923 Get Directions Write a Review

NPPES record last updated: September 12, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 12, 2025, Feb 13, 2025, May 11, 2022 (3 updates tracked since 2022).

About Lynn A Gronbach Do NPPES

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

LYNN A GRONBACH DO (NPI 1033418454) is an individual family medicine provider in Milford, Ohio, licensed in Ohio (34.011228) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1033418454
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameLYNN A GRONBACHCredential: DO
Location Address5914 WOLFPEN PLEASANT HILL RD STE EMilford, OH 45150-3078
Mailing AddressPo Box 25592New York, NY 10087-6951 · (708) 424-3201 · Fax (708) 424-5001
Phone(513) 831-7503
Fax(513) 831-7923
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateMarch 24, 2011
Last NPPES UpdateSeptember 12, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 12, 2025
✔ NPI 1033418454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in OH · 34.011228
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
5914 WOLFPEN PLEASANT HILL RD STE E, Milford, OH 45150
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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

Lynn A Gronbach Do 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 ID5395961965
PECOS Enrollment IDI20140717001696
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

5

Medicare enrollment records show Lynn Gronbach reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Vpa PC
7.1 mi
Family Medicine
4435 AICHOLTZ RD STE 400
Cincinnati, OH 45245
  • Reassigned Medicare billing, Ohio enrollment
  • 268 clinicians in this Medicare group
NPI 1598089104 (513) 947-0400
Trihealth U LLC
12 mi
Community Health
4605 MONTGOMERY RD
Cincinnati, OH 45212
  • Reassigned Medicare billing, Ohio enrollment
  • 74 clinicians in this Medicare group
NPI 1528605177 (135) 853-9700
Trihealth G LLC
16 mi
Internal Medicine
379 DIXMYTH AVE
Cincinnati, OH 45220
  • Reassigned Medicare billing, Ohio enrollment
  • 1,126 clinicians in this Medicare group
NPI 1295862944 (513) 246-7000
Podiatry Associates Of Ohio
20 mi
Foot & Ankle Surgery
3035 HAMILTON MASON RD STE 105
Hamilton, OH 45011
  • Reassigned Medicare billing, Ohio enrollment
  • 17 clinicians in this Medicare group
NPI 1154031441 (513) 844-8585
Dedicated Ohio Holding LLC
943 mi
Internal Medicine
1395 NW 167TH ST
Miami, FL 33169
  • Reassigned Medicare billing, Ohio enrollment
  • 41 clinicians in this Medicare group
NPI 1922631019 (305) 628-6117

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45150 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
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $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 6

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

DR. STEVE MIRKOS DPM
Podiatrist (Foot & Ankle Surgery)
5914 WOLFPEN PLEASANT HILL RD STE E
MILFORD, OH 45150
Clermont County (513) 831-7503
PODIATRY ASSOCIATES OF OHIO
Durable Medical Equipment & Medical Supplies
5914 WOLFPEN PLEASANT HILL RD STE E
MILFORD, OH 45150
Clermont County (513) 831-7503
DR. ERIC J FREY DPM
Podiatrist (Foot & Ankle Surgery)
5914 WOLFPEN PLEASANT HILL RD STE E
MILFORD, OH 45150
Clermont County (513) 831-7503
PODIATRY ASSOCIATES OF OHIO
Durable Medical Equipment & Medical Supplies
5914 WOLFPEN PLEASANT HILL RD STE E
MILFORD, OH 45150
Clermont County (513) 831-8503
DR. AMY E MASOWICK DPM
Podiatrist (Foot & Ankle Surgery)
5914 WOLFPEN PLEASANT HILL RD STE E
MILFORD, OH 45150
Clermont County (513) 831-7503
ALYSSA LYN HALL PA
Physician Assistant
5914 WOLFPEN PLEASANT HILL RD STE E
MILFORD, OH 45150
Clermont County (513) 436-3600

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 Lynn Gronbach's NPI number?

The NPI number for Lynn Gronbach is 1033418454. It was assigned to this individual provider in the NPPES registry on March 24, 2011.

Where is Lynn Gronbach located?

Lynn Gronbach practices at 5914 Wolfpen Pleasant Hill Rd Ste E, Milford, OH 45150. The listed phone number is (513) 831-7503.

What is Lynn Gronbach's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Lynn Gronbach enrolled in Medicare?

Yes. Lynn Gronbach 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 Lynn Gronbach's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lynn Gronbach reassigns Medicare benefits to 5 organizations: Vpa PC (Cincinnati, OH), Trihealth U LLC (Cincinnati, OH), Trihealth G LLC (Cincinnati, OH), Podiatry Associates Of Ohio (Hamilton, OH) and Dedicated Ohio Holding LLC (Miami, FL). 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 Lynn Gronbach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lynn Gronbach accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 3 other insurers list Lynn Gronbach 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.

When was this NPI record last updated?

The NPPES record for Lynn Gronbach was last updated on September 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.