1. Home
  2. Directory
  3. Iowa
  4. City
  5. Internal Medicine
  6. NPI Profile

ISABELLA MARLA GRUMBACH MD
NPI 1730108879
Internal Medicine - Cardiovascular Disease in Iowa City, IA

Active since July 19, 2006PECOS EnrolledAccepts Medicare Assignment
200 HAWKINS DR, IOWA CITY, IA 52242(319) 356-2706(319) 353-6343 Get Directions Write a Review

NPPES record last updated: June 18, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Isabella Marla Grumbach Md NPPES

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

ISABELLA MARLA GRUMBACH MD (NPI 1730108879) is an individual cardiovascular disease provider in Iowa City, Iowa, licensed in Iowa (36622) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with O U Medical Center, and is a graduate of Other (1992).

NPPES Registry Identity

NPI1730108879
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameISABELLA MARLA GRUMBACHCredential: MD
Location Address200 HAWKINS DRIowa City, IA 52242-1009
Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 356-2706 · Fax (319) 353-6343
Phone(319) 356-2706
Fax(319) 353-6343
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateJuly 19, 2006
Last NPPES UpdateJune 18, 2008
✔ NPI 1730108879 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in IA · 36622
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 36622 (IA)
200 HAWKINS DR, Iowa City, IA 52242
Open in Google Maps ↗

Other Identifiers 5

Medicare PINI18107IA
Medicaid0727594IA
Medicare PINP00477127IA
Medicare UPINI59273
Other24338IA · Wellmark Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Medica, Mending Health and more.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

Isabella Marla Grumbach 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 ID7113921628
PECOS Enrollment IDI20250623000576
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

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.
16 services12 patients

Hospital Affiliations CMS Care Compare

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

O U Medical Center

Acute Care Hospitals · Oklahoma City, OK
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370093
Location700 NE 13th StreetOklahoma City, OK 73104 · Oklahoma 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 Isabella Grumbach's NPI number?

The NPI number for Isabella Grumbach is 1730108879. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Isabella Grumbach located?

Isabella Grumbach practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 356-2706.

What is Isabella Grumbach's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Isabella Grumbach enrolled in Medicare?

Yes. Isabella Grumbach 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 Isabella Grumbach accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, Medica, Mending Health and Sanford Health Plan list Isabella Grumbach 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 Isabella Grumbach affiliated with any hospitals?

According to CMS data, Isabella Grumbach is affiliated with O U Medical Center.

When was this NPI record last updated?

The NPPES record for Isabella Grumbach was last updated on June 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.