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DR. GREGORY ALAN FLERMOEN M.D.
NPI 1508178682
Surgery in Saint Joseph, MI

Active since July 06, 2010PECOS EnrolledAccepts Medicare Assignment
1234 NAPIER AVE, SAINT JOSEPH, MI 49085(269) 429-0900 Get Directions Write a Review

NPPES record last updated: March 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Gregory Alan Flermoen M.d. NPPES

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

DR. GREGORY ALAN FLERMOEN M.D. (NPI 1508178682) is an individual surgery provider in Saint Joseph, Michigan, licensed in Michigan (4301096517) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Lakeland Hospital, St Joseph, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2010).

NPPES Registry Identity

NPI1508178682
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. GREGORY ALAN FLERMOENCredential: M.D.
Location Address1234 NAPIER AVESaint Joseph, MI 49085-2112
Mailing Address1234 Napier AveSaint Joseph, MI 49085-2112
Phone(269) 429-0900
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2010
Enumeration DateJuly 6, 2010
Last NPPES UpdateMarch 30, 2026
NPPES CertifiedMarch 30, 2026
✔ NPI 1508178682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MI · 4301096517
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.
1234 NAPIER AVE, Saint Joseph, MI 49085
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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. Gregory Alan Flermoen 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 ID7810126372
PECOS Enrollment IDI20150706002081
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 4

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.

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
31 services31 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.
20 services20 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.
20 services20 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.
18 services15 patients

Hospital Affiliations CMS Care Compare 2

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

Lakeland Hospital, St Joseph

Acute Care Hospitals · St Joseph, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230021
Location1234 Napier AvenueSt Joseph, MI 49085 · Berrien County
Emergency services Birthing friendly

Memorial Healthcare

Acute Care Hospitals · Owosso, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number230121
Location826 West King StreetOwosso, MI 48867 · Shiawassee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49085 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.

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.

Reported Quality Measures

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…
33%30 patients2/55-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.

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.

HANY S MESIHA MD
Internal Medicine
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 983-8300
CORY MINIER SCHMIDT MD
Pediatrics
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 985-4632
JORDAN ANDERSON
Occupational Therapist
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 983-8332
DR. KAREN J DYER M.D.
Pediatrics
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 985-4632
MR. NATHAN JOHN JORDAN MD
Radiology (Diagnostic Radiology)
1234 NAPIER AVE
ST JOSEPH, MI 49085
Berrien County (269) 983-8300
DR. JAMES G. SISAMIS MD
Anesthesiology
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 428-0118
DR. DIEGO P BETITA MD
Anesthesiology
1234 NAPIER AVE
SAINT JOSEPH, MI 49085
Berrien County (269) 428-0118
DR. JESSICA LYNN HAMILL SCHINDLER D.O.
Emergency Medicine
1234 NAPIER AVE, LAKELAND REGIONAL MEDICAL CENTER
SAINT JOSEPH, MI 49085
Berrien County (269) 982-4941

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 Gregory Flermoen's NPI number?

The NPI number for Gregory Flermoen is 1508178682. It was assigned to this individual provider in the NPPES registry on July 6, 2010.

Where is Gregory Flermoen located?

Gregory Flermoen practices at 1234 Napier Ave, Saint Joseph, MI 49085. The listed phone number is (269) 429-0900.

What is Gregory Flermoen's specialty?

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

Is Gregory Flermoen enrolled in Medicare?

Yes. Gregory Flermoen 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 Gregory Flermoen accept?

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

According to CMS data, Gregory Flermoen is affiliated with Lakeland Hospital, St Joseph and Memorial Healthcare.

When was this NPI record last updated?

The NPPES record for Gregory Flermoen was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.