1. Home
  2. Directory
  3. Michigan
  4. Flint
  5. Surgery
  6. NPI Profile

DR. BRETT ERIK LARSEN M.D.
NPI 1740552249
Surgery in Flint, MI

Active since January 31, 2012PECOS EnrolledAccepts Medicare Assignment
3500 CALKINS RD STE A, FLINT, MI 48532(810) 515-7662(810) 337-1479 Get Directions Write a Review

NPPES record last updated: August 15, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 15, 2025, Oct 8, 2019 (2 updates tracked since 2019).

About Dr. Brett Erik Larsen M.d. NPPES

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

DR. BRETT ERIK LARSEN M.D. (NPI 1740552249) is an individual surgery provider in Flint, Michigan, licensed in Michigan (4301111208) and active in the NPI registry since January 2012. He is enrolled in Medicare PECOS, is affiliated with Mclaren Oakland, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1740552249
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. BRETT ERIK LARSENCredential: M.D.
Location Address3500 CALKINS RD STE AFlint, MI 48532-3500
Mailing Address302 Kensington AveFlint, MI 48503-2044 · (810) 762-8092 · Fax (810) 762-8892
Phone(810) 515-7662
Fax(810) 337-1479
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateJanuary 31, 2012
Last NPPES UpdateAugust 15, 20252 updates tracked since enumeration
NPPES CertifiedAugust 15, 2025
✔ NPI 1740552249 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MI · 4301111208
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSurgery · Surgical Critical CareTaxonomy 2086S0102X · License 78132 (AZ)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3500 CALKINS RD STE A, Flint, MI 48532
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community 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. Brett Erik Larsen M.d. 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 ID1951686427
PECOS Enrollment IDI20170323002385, I20250829002936
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.
198 services123 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.
59 services58 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
45 services32 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
36 services36 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
19 services19 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.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Mclaren Oakland

Acute Care Hospitals · Pontiac, MI
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230207
Location50 N Perry StPontiac, MI 48342 · Oakland County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48532 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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 3

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

MICHAEL A KIA DO PC
Surgery
3500 CALKINS RD STE A
FLINT, MI 48532
Genesee County (810) 275-0661
MICHAEL A KIA DO
Surgery
3500 CALKINS RD STE A
FLINT, MI 48532
Genesee County (810) 275-0661
CHELSEA ELIZABETH SMITH
Colon & Rectal Surgery
3500 CALKINS RD STE A
FLINT, MI 48532
Genesee County (810) 275-0661

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 Brett Larsen's NPI number?

The NPI number for Brett Larsen is 1740552249. It was assigned to this individual provider in the NPPES registry on January 31, 2012.

Where is Brett Larsen located?

Brett Larsen practices at 3500 Calkins Rd Ste A, Flint, MI 48532. The listed phone number is (810) 515-7662.

What is Brett Larsen's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Brett Larsen enrolled in Medicare?

Yes. Brett Larsen 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 Brett Larsen accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community and Priority Health list Brett Larsen 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 Brett Larsen affiliated with any hospitals?

According to CMS data, Brett Larsen is affiliated with Mclaren Oakland.

When was this NPI record last updated?

The NPPES record for Brett Larsen was last updated on August 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.