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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JANET TTHERESA GUISINGER M.D.
NPI 1295773208
Family Medicine in Bay City, MI

Active since June 02, 2006PECOS EnrolledCLIA 23D0978980 · Waiver
3403 E MIDLAND RD, BAY CITY, MI 48706(989) 684-1100(989) 684-3340 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Janet Ttheresa Guisinger M.d. NPPES

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

DR. JANET TTHERESA GUISINGER M.D. (NPI 1295773208) is an individual family medicine provider in Bay City, Michigan, licensed in Michigan (4301064424) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through October 9, 2026, and is affiliated with Mclaren Bay Region.

NPPES Registry Identity

NPI1295773208
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JANET TTHERESA GUISINGERCredential: M.D.
Location Address3403 E MIDLAND RDBay City, MI 48706-2825
Mailing Address3403 E Midland RdBay City, MI 48706-2825 · (989) 684-1100 · Fax (989) 684-3340
Phone(989) 684-1100
Fax(989) 684-3340
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateJune 2, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1295773208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MI · 4301064424
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3403 E MIDLAND RD, Bay City, MI 48706
Open in Google Maps ↗

Other Identifiers 2

Other0800900802MI · Bcbs
Other5384614MI · Aetna

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. Janet Ttheresa Guisinger 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 ID7618093592
PECOS Enrollment IDI20100928001546
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 23D0978980

Janet Guisinger, MD · Bay City, MI
Active · expires Oct 9, 2026
CLIA Number23D0978980
Laboratory TypePhysician Office
Certificate Effective DateOctober 10, 2024
Certificate Expiration DateOctober 9, 2026
Laboratory DirectorJanet Guisiner
Laboratory Phone(989) 684-1100
Laboratory LocationJanet Guisinger, MD3403 E Midland Road, Bay City, MI 48706
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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.

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.
220 services87 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
54 services54 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.
49 services49 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.
37 services14 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.
35 services32 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.
20 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Mclaren Bay Region

Acute Care Hospitals · Bay City, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230041
Location1900 Columbus AveBay City, MI 48708 · Bay County
Emergency services Birthing friendly

Covenant Medical Center

Acute Care Hospitals · Saginaw, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230070
Location1447 N HarrisonSaginaw, MI 48602 · Saginaw County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48706 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
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Referred Medical Equipment & Supplies CMS DME claims 4

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
8 suppliers21 claims51 services$5.90 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers11 claims11 services$16.00 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
2 suppliers19 claims19 services$87.97 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
3 suppliers22 claims22 services$206.70 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 2

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

MR. TERRY LEE WHYTE JR. FNP-BC
Nurse Practitioner (Family)
3403 E MIDLAND RD
BAY CITY, MI 48706
Bay County (989) 233-5259
HEALTHWISE ASSOCIATES LLC
Nurse Practitioner (Family)
3403 E MIDLAND RD
BAY CITY, MI 48706
Bay County (989) 233-5259

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 Janet Guisinger's NPI number?

The NPI number for Janet Guisinger is 1295773208. It was assigned to this individual provider in the NPPES registry on June 2, 2006.

Where is Janet Guisinger located?

Janet Guisinger practices at 3403 E Midland Rd, Bay City, MI 48706. The listed phone number is (989) 684-1100.

What is Janet Guisinger's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Janet Guisinger enrolled in Medicare?

Yes. Janet Guisinger 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 Janet Guisinger hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 23D0978980) is associated with this NPI, valid through October 9, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Janet Guisinger 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 Janet Guisinger 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 Janet Guisinger affiliated with any hospitals?

According to CMS data, Janet Guisinger is affiliated with Mclaren Bay Region and Covenant Medical Center.

When was this NPI record last updated?

The NPPES record for Janet Guisinger was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.