DR. BRIAN T GIETZEN MD
NPI 1639154263
Internal Medicine in Rochester Hills, MI

Q: What is Brian Gietzen's NPI number?

The NPI number for Brian Gietzen is 1639154263. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Q: What is Brian Gietzen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Brian Gietzen was last updated on October 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 December 06, 2005PECOS EnrolledAccepts Medicare AssignmentCLIA 23D0995315 · Waiver

86.89/100

CMS Quality Rating

1460 WALTON BLVD, STE 200, ROCHESTER HILLS, MI 48309(248) 650-1800(248) 650-1856 Get Directions Write a Review

NPPES record last updated: October 6, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 6, 2020, Sep 30, 2016 (2 updates tracked since 2016).

On this page

About Dr. Brian T Gietzen Md NPPES

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

DR. BRIAN T GIETZEN MD (NPI 1639154263) is an individual internal medicine provider in Rochester Hills, Michigan, licensed in Michigan (4301070159) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through January 15, 2028, and is affiliated with Beaumont Hospital - Grosse Pointe.

NPPES Registry Identity

NPI1639154263

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. BRIAN T GIETZENCredential: MD

Location Address1460 WALTON BLVD, STE 200Rochester Hills, MI 48309-1768

Mailing Address1460 Walton Blvd, Ste 200Rochester Hills, MI 48309-1768 · (248) 650-1800 · Fax (248) 650-1856

Phone(248) 650-1800

Fax(248) 650-1856

Sole ProprietorYes

Medical School CMSWayne State University School Of MedicineGraduated 1997

Enumeration DateDecember 6, 2005

Last NPPES UpdateOctober 6, 20202 updates tracked since enumeration

NPPES CertifiedOctober 6, 2020

✔ NPI 1639154263 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 · 4301070159

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.

1460 WALTON BLVD, Rochester Hills, MI 48309

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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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Brian T Gietzen 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 ID3274567995

PECOS Enrollment IDI20050923000092

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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 23D0995315

Brian T Gietzen, MD, PC · Rochester Hills, MI

Active · expires Jan 15, 2028

CLIA Number23D0995315

Laboratory TypePhysician Office

Certificate Effective DateJanuary 16, 2026

Certificate Expiration DateJanuary 15, 2028

Laboratory DirectorBrian T. Gietzen

Laboratory Phone(248) 650-1800

Laboratory LocationBrian T Gietzen, MD, PC1460 Walton Suite 200, Rochester Hills, MI 48309

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 14

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.

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

399 services34 patients

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

303 services96 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.

154 services83 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

119 services105 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.

89 services89 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.

77 services51 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

67 services16 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

66 services13 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

44 services41 patients

Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350

An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.

18 services16 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

18 services18 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

17 services12 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

15 services15 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

12 services12 patients

Hospital Affiliations CMS Care Compare 4

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

Beaumont Hospital - Grosse Pointe

Acute Care Hospitals · Grosse Pointe, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230089

Location468 Cadieux RdGrosse Pointe, MI 48230 · Wayne County

Emergency services Birthing friendly

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230130

Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County

Emergency services Birthing friendly

Beaumont Hospital - Farmington Hills

Acute Care Hospitals · Farmington Hills, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230151

Location28050 Grand River AvenueFarmington Hills, MI 48336 · Oakland County

Emergency services Birthing friendly

Beaumont Hospital, Troy

Acute Care Hospitals · Troy, MI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230269

Location44201 Dequindre RoadTroy, MI 48085 · Oakland County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48309 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

$102.35 typical visit price

range $18.32 – $143.49

Typical copayment $25.58 (range $4.58 – $35.87)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.89/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Improvement Activities

Cost

42.87

Reported Quality Measures

Closing the Referral Loop: Receipt of Specialist Report

Percentage of patients with referrals, regardless of age, for which the referring provider receives a report from the provider to whom the patient was referred

94%130 patients4/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

100%421 patients5/55-star benchmark: 100%

Osteoarthritis (OA): Function and Pain Assessment

Percentage of patient visits for patients aged 21 years and older with a diagnosis of osteoarthritis (OA) with assessment for function and pain

100%34 patients5/55-star benchmark: 100%

Pain Assessment and Follow-Up

Percentage of visits for patients aged 18 years and older with documentation of a pain assessment using a standardized tool(s) on each visit AND documentation of a follow-up plan when pain is present

100%367 patients5/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

100%44 patients5/55-star benchmark: 100%

Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling

Percentage of patients aged 18 years and older who were screened for unhealthy alcohol use using a systematic screening method at least once within the last 24 months AND who received brief counseling if identified as an unhealthy alcohol user

100%390 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 6

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

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

2 suppliers12 claims12 services$38.63 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers18 claims18 services$57.74 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

2 suppliers39 claims39 services$11.22 avg. paid by Medicare

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

1 supplier12 claims12 services$26.63 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

2 suppliers29 claims29 services$6.34 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

1 supplier12 claims12 services$28.57 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 20

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

DANIELLE R ZIPAY LLPC

Counselor (Professional)

1460 WALTON BLVD, SUITE 218
ROCHESTER HILLS, MI 48309

Oakland County (810) 278-2620

BENJAMIN MORROW LLPC

Counselor (Mental Health)

1460 WALTON BLVD
ROCHESTER HILLS, MI 48309

Oakland County (248) 608-4514

MARISA MARIE VILLAFRANCA LLMSW

Social Worker (Clinical)

1460 WALTON BLVD
ROCHESTER HILLS, MI 48309

Oakland County (248) 844-6234

JULIANA MISSINNE FOSS LLPC

Counselor

1460 WALTON BLVD, SUITE 20
ROCHESTER HILLS, MI 48309

Oakland County (248) 608-4514

BRIAN A WEEKS PSYD

Psychologist (Clinical)

1460 WALTON BLVD, 202
ROCHESTER HILLS, MI 48309

Oakland County (248) 650-5113

DR. MICHAEL DAVID YUEN D.D.S.

Dentist (Endodontics)

1460 WALTON BLVD, SUITE 208
ROCHESTER HILLS, MI 48309

Oakland County (248) 656-1626

PAUL A RENKE DDS

Oral & Maxillofacial Surgery

1460 WALTON BLVD, STE 10
ROCHESTER HILLS, MI 48309

Oakland County (248) 651-4202

DR. DONALD P OHLSSON DDS

Dentist

1460 WALTON BLVD, SUITE 204
ROCHESTER, MI 48309

Oakland County (248) 651-1613

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 Brian Gietzen's NPI number?

The NPI number for Brian Gietzen is 1639154263. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is Brian Gietzen located?

Brian Gietzen practices at 1460 Walton Blvd Ste 200, Rochester Hills, MI 48309. The listed phone number is (248) 650-1800.

What is Brian Gietzen's specialty?

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

Is Brian Gietzen enrolled in Medicare?

Yes. Brian Gietzen 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.

Does Brian Gietzen hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 23D0995315) is associated with this NPI, valid through January 15, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Brian Gietzen 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 3 other insurers list Brian Gietzen 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 Brian Gietzen affiliated with any hospitals?

According to CMS data, Brian Gietzen is affiliated with Beaumont Hospital - Grosse Pointe, Beaumont Hospital Royal Oak, Beaumont Hospital - Farmington Hills and Beaumont Hospital, Troy.

When was this NPI record last updated?

The NPPES record for Brian Gietzen was last updated on October 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

About Dr. Brian T Gietzen Md NPPES

NPPES Registry Identity

Specialties & Licenses

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare Enrollment Status

CLIA Laboratory Certificates CMS CLIA

Certificate of Waiver · 23D0995315

Areas of Expertise CMS Part B claims 14

Hospital Affiliations CMS Care Compare 4

Beaumont Hospital - Grosse Pointe

Beaumont Hospital Royal Oak

Beaumont Hospital - Farmington Hills

Beaumont Hospital, Troy

Physician Visit Costs CMS claims · ZIP area

Medicare Quality Performance CMS QPP · MIPS

Reported Quality Measures

Referred Medical Equipment & Supplies CMS DME claims 6

Other Providers at the Same Location NPPES 20

Frequently Asked Questions NPPES & CMS

What is Brian Gietzen's NPI number?

Where is Brian Gietzen located?

What is Brian Gietzen's specialty?

Is Brian Gietzen enrolled in Medicare?

Does Brian Gietzen hold a CLIA laboratory certificate?

What insurance does Brian Gietzen accept?

Is Brian Gietzen affiliated with any hospitals?

When was this NPI record last updated?

Certificate of Waiver 23D0995315