KATE ELIZABETH HOLTZE MD
NPI 1316264096
Internal Medicine - Cardiovascular Disease in Ypsilanti, MI

Q: What is Kate Holtze's NPI number?

The NPI number for Kate Holtze is 1316264096. It was assigned to this individual provider in the NPPES registry on April 21, 2010. The provider is also known as Kate Groh MD.

Q: What is Kate Holtze's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Kate Holtze was last updated on May 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since April 21, 2010PECOS EnrolledAccepts Medicare Assignment

5325 ELLIOTT DR, YPSILANTI, MI 48197(734) 712-8000(734) 712-4319 Get Directions Write a Review

NPPES record last updated: May 16, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 16, 2018, Jun 30, 2017, Jun 16, 2016 (3 updates tracked since 2016).

On this page

About Kate Elizabeth Holtze Md NPPES

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

KATE ELIZABETH HOLTZE MD (NPI 1316264096) is an individual cardiovascular disease provider in Ypsilanti, Michigan, licensed in Michigan (4301109312) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with St Joe Mercy Hospital System Livonia, and is a graduate of Vanderbilt University School Of Medicine (2010).

NPPES Registry Identity

NPI1316264096

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameKATE ELIZABETH HOLTZECredential: MD

Location Address5325 ELLIOTT DRYpsilanti, MI 48197

Mailing Address24 Frank Lloyd Wright Dr, Po Box 0446 - Lobby JAnn Arbor, MI 48105-9484

Phone(734) 712-8000

Fax(734) 712-4319

Sole ProprietorNo

Medical School CMSVanderbilt University School Of MedicineGraduated 2010

Enumeration DateApril 21, 2010

Last NPPES UpdateMay 16, 20183 updates tracked since enumeration

✔ NPI 1316264096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in MI · 4301109312

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 Medicine · Clinical Cardiac ElectrophysiologyTaxonomy 207RC0001X · License 4301109312 (MI)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

5325 ELLIOTT DR, Ypsilanti, MI 48197

Open in Google Maps ↗

Other Names 1

Former Name (1)Kate Groh Md

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

Kate Elizabeth Holtze 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 ID9335438464

PECOS Enrollment IDI20160512002422

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

Medicare enrollment records show Kate Holtze reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Iha Health Services Organization

Same address

Cardiovascular Disease

5325 ELLIOTT DR, SUITE 201
Ypsilanti, MI 48197

Reassigned Medicare billing, Michigan enrollment
Medicare enrollment name: Iha Health Services Corporation
1,480 clinicians in this Medicare group

NPI 1487072633 (734) 712-8000

Saint Mary's Health Services

113 mi

Geriatric Medicine

200 JEFFERSON AVE SE
Grand Rapids, MI 49503

Reassigned Medicare billing, Michigan enrollment
42 clinicians in this Medicare group

NPI 1063917425 (616) 776-0682

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 25

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

952 services817 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

287 services285 patients

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.

177 services169 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

87 services81 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

61 services59 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

57 services57 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

53 services53 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

51 services50 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

50 services49 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

47 services46 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

43 services42 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.

37 services26 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

33 services33 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

33 services30 patients

Mri scan of heart before and after contrast 75561

An MRI scan of the heart with contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed pictures of your heart. The contrast dye improves the clarity of these images. This test helps in diagnosing heart conditions.

32 services32 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

32 services32 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

27 services27 patients

Mri scan of blood flow of heart 75565

An MRI scan of the heart's blood flow is a non-invasive imaging technique. It uses a magnetic field and radio waves to create detailed images of your heart and its blood vessels. This helps in diagnosing conditions like blockages or abnormalities.

24 services24 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

22 services17 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.

20 services20 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

19 services19 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.

17 services17 patients

Ultrasound of heart during rest, exercise and/or drug-induced stress with report 93350

This procedure involves using ultrasound imaging to view your heart at rest, during exercise, and/or under drug-induced stress. It helps assess how well your heart responds to exertion. A report of the findings is provided after the test.

14 services14 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

12 services12 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

St Joe Mercy Hospital System Livonia

Acute Care Hospitals · Livonia, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230002

Location36475 Five Mile RoadLivonia, MI 48154 · Wayne County

Emergency services Birthing friendly

University Of Michigan Health System

Acute Care Hospitals · Ann Arbor, MI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230046

Location1500 E Medical Center Drive, Spc 5474Ann Arbor, MI 48109 · Washtenaw County

Emergency services Birthing friendly

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

Chelsea Hospital

Acute Care Hospitals · Chelsea, MI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230259

Location775 S Main StChelsea, MI 48118 · Washtenaw County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48197 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

$134.28 typical visit price

range $58.04 – $177.36

Typical copayment $33.57 (range $14.51 – $44.34)

Most-billed visit code 99204

Established Patient

$72.38 typical visit price

range $18.32 – $143.49

Typical copayment $18.09 (range $4.58 – $35.87)

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.

MARLO LEONEN MD

Internal Medicine (Cardiovascular Disease)

5325 ELLIOTT DR, SUITE 203
YPSILANTI, MI 48197

Washtenaw County (734) 712-8000

MR. CHINMAYA SUHAS SHELGIKAR M.D.

Surgery (Vascular Surgery)

5325 ELLIOTT DR, SUITE 104
YPSILANTI, MI 48197

Washtenaw County (734) 712-8150

DR. BOBBY KIPAK KONG M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

5325 ELLIOTT DR, SUITE # 102
YPSILANTI, MI 48197

Washtenaw County (734) 712-5500

TIMOTHY SHINN MD

Internal Medicine (Clinical Cardiac Electrophysiology)

5325 ELLIOTT DR, SUITE 203
YPSILANTI, MI 48197

Washtenaw County (734) 712-8000

JIHN HAN MD

Internal Medicine (Clinical Cardiac Electrophysiology)

5325 ELLIOTT DR, SUITE 203
YPSILANTI, MI 48197

Washtenaw County (734) 712-8000

DR. AJAY GUPTA MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

5325 ELLIOTT DR, SUITE NUMBER 102
YPSILANTI, MI 48197

Washtenaw County (734) 712-5500

BENJAMIN MCCALLISTER JR. MD

Internal Medicine (Cardiovascular Disease)

5325 ELLIOTT DR, SUITE 203
YPSILANTI, MI 48197

Washtenaw County (734) 712-8000

LYN FRASSON

Clinical Exercise Physiologist

5325 ELLIOTT DR
YPSILANTI, MI 48197

Washtenaw County (734) 712-8643

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 Kate Holtze's NPI number?

The NPI number for Kate Holtze is 1316264096. It was assigned to this individual provider in the NPPES registry on April 21, 2010. The provider is also known as Kate Groh MD.

Where is Kate Holtze located?

Kate Holtze practices at 5325 Elliott Dr, Ypsilanti, MI 48197. The listed phone number is (734) 712-8000.

What is Kate Holtze's specialty?

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

Is Kate Holtze enrolled in Medicare?

Yes. Kate Holtze 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 Kate Holtze's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kate Holtze reassigns Medicare benefits to 2 organizations: Iha Health Services Organization (Ypsilanti, MI) and Saint Mary's Health Services (Grand Rapids, MI). 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 Kate Holtze's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kate Holtze accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Kate Holtze 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 Kate Holtze affiliated with any hospitals?

According to CMS data, Kate Holtze is affiliated with St Joe Mercy Hospital System Livonia, University Of Michigan Health System, Saint Joseph Mercy Livingston Hospital, Trinity Health Ann Arbor Hospital and Chelsea Hospital.

When was this NPI record last updated?

The NPPES record for Kate Holtze was last updated on May 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.