MATTHEW JAY WEISS DO
NPI 1982712717
Internal Medicine - Geriatric Medicine in Fenton, MI

Active since August 29, 2006PECOS EnrolledAccepts Medicare Assignment
1 CHATEAUX DU LAC, FENTON, MI 48430(810) 964-2331(810) 603-3704 Get Directions Write a Review

NPPES record last updated: October 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Matthew Jay Weiss Do NPPES

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

MATTHEW JAY WEISS DO (NPI 1982712717) is an individual geriatric medicine provider in Fenton, Michigan, licensed in Michigan (5101007703) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Ascension Genesys Hospital, and is a graduate of Michigan State University College Of Osteopathic Medicine (1979).

NPPES Registry Identity

NPI1982712717
Entity TypeIndividualMale
Primary Taxonomy207RG0300X
Provider Legal NameMATTHEW JAY WEISSCredential: DO
Location Address1 CHATEAUX DU LACFenton, MI 48430-9140
Mailing Address1 Chateaux Du LacFenton, MI 48430-9140 · (810) 964-2331 · Fax (810) 603-3704
Fax(810) 603-3704
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 1979
Enumeration DateAugust 29, 2006
Last NPPES UpdateOctober 7, 2025
NPPES CertifiedOctober 7, 2025
NPI 1982712717 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
License Licensed in MI · 5101007703
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
1 CHATEAUX DU LAC, Fenton, MI 48430

Other Identifiers 1

Medicaid3371370MI

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

Matthew Jay Weiss 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 ID7214957935
PECOS Enrollment IDI20051128000323
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 2

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.
749 services116 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.
123 services110 patients

Hospital Affiliations CMS Care Compare

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

Ascension Genesys Hospital

Acute Care Hospitals · Grand Blanc, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230197
LocationOne Genesys ParkwayGrand Blanc, MI 48439 · Genesee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48430 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
$166.68 typical visit price
range $54.34 – $166.68
Typical copayment $41.67 (range $13.58 – $41.67)
Most-billed visit code 99205
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.

Other Providers at the Same Location NPPES

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

Internal Medicine (Geriatric Medicine)
1 CHATEAUX DU LAC
FENTON, MI 48430

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 Matthew Weiss's NPI number?

The NPI number for Matthew Weiss is 1982712717. It was assigned to this individual provider in the NPPES registry on August 29, 2006.

Where is Matthew Weiss located?

Matthew Weiss practices at 1 Chateaux Du Lac, Fenton, MI 48430. The listed phone number is (810) 964-2331.

What is Matthew Weiss's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Matthew Weiss enrolled in Medicare?

Yes. Matthew Weiss 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 Matthew Weiss accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Matthew Weiss 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 Matthew Weiss affiliated with any hospitals?

According to CMS data, Matthew Weiss is affiliated with Ascension Genesys Hospital.

When was this NPI record last updated?

The NPPES record for Matthew Weiss was last updated on October 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.