MICHAEL BRENNAN DO
NPI 1689889388
Internal Medicine - Endocrinology, Diabetes & Metabolism in Saint Clair Shores, MI

Active since May 14, 2007PECOS EnrolledAccepts Medicare Assignment
80.99/100
CMS Quality Rating
23715 LITTLE MACK AVE STE 100, SAINT CLAIR SHORES, MI 48080(586) 447-8021 Get Directions Write a Review

NPPES record last updated: August 21, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 21, 2024, Oct 23, 2020 (2 updates tracked since 2020).

About Michael Brennan Do NPPES

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

MICHAEL BRENNAN DO (NPI 1689889388) is an individual endocrinology, diabetes & metabolism provider in Saint Clair Shores, Michigan, licensed in Michigan (5101016966) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Dearborn, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1689889388
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameMICHAEL BRENNANCredential: DO
Location Address23715 LITTLE MACK AVE STE 100Saint Clair Shores, MI 48080-1181
Mailing Address26901 Beaumont Blvd Ste 3dSouthfield, MI 48033-3849
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2006
Enumeration DateMay 14, 2007
Last NPPES UpdateAugust 21, 20242 updates tracked since enumeration
NPPES CertifiedAugust 21, 2024
NPI 1689889388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in MI · 5101016966
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedPediatrics · Adolescent MedicineTaxonomy 2080A0000X · License 5101016966 (MI)
23715 LITTLE MACK AVE STE 100, Saint Clair Shores, MI 48080

Secondary Practice Locations 4

Location 11555 South Blvd E Ste 360Rochester Hills, MI 48307-5759 · Phone (248) 258-8740
Location 2468 Cadieux RdGrosse Pointe, MI 48230-1507 · Phone (313) 473-1000
Location 317412 W 13 Mile RdBeverly Hills, MI 48025-5439 · Phone (248) 258-8740
Location 428050 Grand River AveFarmington Hills, MI 48336-5919 · Phone (947) 521-8000

Accepted 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

Michael Brennan 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 ID2062661374
PECOS Enrollment IDI20121002000368
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 6

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.

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.
154 services67 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.
134 services96 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.
82 services78 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.
22 services16 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
17 services13 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.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

Beaumont Hospital - Dearborn

Acute Care Hospitals · Dearborn, MI
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230020
Location18101 Oakwood BlvdDearborn, MI 48124 · Wayne County
Emergency services Birthing friendly

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48080 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.

80.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality67.25
Promoting Interoperability100
Improvement Activities40
Cost59.73

Referred Medical Equipment & Supplies CMS DME claims 2

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

External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
2 suppliers17 claims17 services$306.65 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
8 suppliers82 claims88 services$189.91 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 8

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

Thoracic Surgery (Cardiothoracic Vascular Surgery)
23715 LITTLE MACK AVE STE 100
SAINT CLAIR SHORES, MI 48080
Internal Medicine (Endocrinology, Diabetes & Metabolism)
23715 LITTLE MACK AVE STE 100
SAINT CLAIR SHORES, MI 48080
Thoracic Surgery (Cardiothoracic Vascular Surgery)
23715 LITTLE MACK AVE STE 100
SAINT CLAIR SHORES, MI 48080
Physician Assistant
23715 LITTLE MACK AVE STE 100
SAINT CLAIR SHORES, MI 48080
Physician Assistant
23715 LITTLE MACK AVE STE 100
SAINT CLAIR SHORES, MI 48080
Nurse Practitioner
23715 LITTLE MACK AVE STE 100
SAINT CLAIR SHORES, MI 48080
Internal Medicine (Endocrinology, Diabetes & Metabolism)
23715 LITTLE MACK AVE STE 100
SAINT CLAIR SHORES, MI 48080
Nurse Practitioner (Family)
23715 LITTLE MACK AVE STE 100
SAINT CLAIR SHORES, MI 48080

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 Michael Brennan's NPI number?

The NPI number for Michael Brennan is 1689889388. It was assigned to this individual provider in the NPPES registry on May 14, 2007.

Where is Michael Brennan located?

Michael Brennan practices at 23715 Little Mack Ave Ste 100, Saint Clair Shores, MI 48080. The listed phone number is (586) 447-8021.

What is Michael Brennan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Michael Brennan enrolled in Medicare?

Yes. Michael Brennan 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 Michael Brennan 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 Michael Brennan 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 Michael Brennan affiliated with any hospitals?

According to CMS data, Michael Brennan is affiliated with Beaumont Hospital - Dearborn, Beaumont Hospital - Grosse Pointe and Beaumont Hospital Royal Oak.

When was this NPI record last updated?

The NPPES record for Michael Brennan was last updated on August 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.