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JUSTIN GRASSMEYER MD
NPI 1780262675
Ophthalmology - Retina Specialist in Iowa City, IA

Active since March 31, 2021PECOS EnrolledAccepts Medicare Assignment
200 HAWKINS DR, IOWA CITY, IA 52242(319) 356-3705(319) 353-6030 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 8, 2025, Mar 31, 2021 (2 updates tracked since 2021).

About Justin Grassmeyer Md NPPES

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

JUSTIN GRASSMEYER MD (NPI 1780262675) is an individual retina specialist in Iowa City, Iowa, licensed in Iowa (MD-54563) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Southeast Iowa Regional Medical Center, and is a graduate of University Of Nebraska College Of Medicine (2021).

NPPES Registry Identity

NPI1780262675
Entity TypeIndividualMale
Primary Taxonomy207WX0107X
Provider Legal NameJUSTIN GRASSMEYERCredential: MD
Location Address200 HAWKINS DRIowa City, IA 52242-1009
Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 356-3705 · Fax (319) 353-6030
Phone(319) 356-3705
Fax(319) 353-6030
Sole ProprietorNo
Medical School CMSUniversity Of Nebraska College Of MedicineGraduated 2021
Enumeration DateMarch 31, 2021
Last NPPES UpdateJuly 8, 20252 updates tracked since enumeration
NPPES CertifiedJuly 8, 2025
✔ NPI 1780262675 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmology · Retina SpecialistAllopathic & Osteopathic Physicians
Taxonomy Code207WX0107X
License✔ Licensed in IA · MD-54563
Definition
An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.
Also ListedOphthalmologyTaxonomy 207W00000X · License MD-54563 (IA)
200 HAWKINS DR, Iowa City, IA 52242
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Sanford Health Plan.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

Justin Grassmeyer Md 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 ID547664724
PECOS Enrollment IDI20250710000292
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.

Hospital Affiliations CMS Care Compare 2

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

Southeast Iowa Regional Medical Center

Acute Care Hospitals · West Burlington, IA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160057
Location1221 South Gear AvenueWest Burlington, IA 52655 · Des Moines County
Emergency services Birthing friendly

University Of Iowa Hospital & Clinics

Acute Care Hospitals · Iowa City, IA
3/5 CMS rating
OwnershipGovernment - State
CMS Certification Number160058
Location200 Hawkins DriveIowa City, IA 52242 · Johnson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52242 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
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 20

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

SANGIL LEE M.D.
Emergency Medicine
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-2233
RAMI G. EL ABIAD M.D.
Internal Medicine (Gastroenterology)
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-4901
GRERK SUTAMTEWAGUL MD
Internal Medicine (Hematology & Oncology)
200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242
Johnson County (319) 356-1616
DR. KALEB TANNER VEIT D.O.
Internal Medicine (Critical Care Medicine)
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-2320
OMAR JABER M.D
Chronic Disease Hospital
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 471-8958
JENNIFER MANCUSO MS, CGC
Genetic Counselor, MS
200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242
Johnson County (319) 384-7983
ASHLEY KAISER M.D.
Obstetrics & Gynecology
200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242
Johnson County (319) 356-2294
MRS. NANCY JANE MILLICE
Health Educator
200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242
Johnson County (319) 356-3825

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 Justin Grassmeyer's NPI number?

The NPI number for Justin Grassmeyer is 1780262675. It was assigned to this individual provider in the NPPES registry on March 31, 2021.

Where is Justin Grassmeyer located?

Justin Grassmeyer practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 356-3705.

What is Justin Grassmeyer's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Retina Specialist, with taxonomy code 207WX0107X.

Is Justin Grassmeyer enrolled in Medicare?

Yes. Justin Grassmeyer 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 Justin Grassmeyer accept?

Health plans from Medica and Sanford Health Plan list Justin Grassmeyer 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 Justin Grassmeyer affiliated with any hospitals?

According to CMS data, Justin Grassmeyer is affiliated with Southeast Iowa Regional Medical Center and University Of Iowa Hospital & Clinics.

When was this NPI record last updated?

The NPPES record for Justin Grassmeyer was last updated on July 8, 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.