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MR. MICHAEL TERRELL GRISSOM CRNP
NPI 1649649138
Nurse Practitioner - Adult Health in Madison, AL

Active since September 15, 2015PECOS Enrolled
8375 HIGHWAY 72 W, MADISON, AL 35758(256) 265-2012 Get Directions Write a Review

NPPES record last updated: September 15, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Michael Terrell Grissom Crnp NPPES

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

MR. MICHAEL TERRELL GRISSOM CRNP (NPI 1649649138) is an individual adult health provider in Madison, Alabama, licensed in Alabama (1-131578) and active in the NPI registry since September 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649649138
Entity TypeIndividualMale
Primary Taxonomy363LA2200X
Provider Legal NameMR. MICHAEL TERRELL GRISSOMCredential: CRNP
Location Address8375 HIGHWAY 72 WMadison, AL 35758-9573
Mailing Address303 Kimberly AveMuscle Shoals, AL 35661-3768 · (256) 394-3612
Phone(256) 265-2012
Sole ProprietorNo
Enumeration DateSeptember 15, 2015
✔ NPI 1649649138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in AL · 1-131578
Also ListedNurse Practitioner · GerontologyTaxonomy 363LG0600X · License 1-131578 (AL)
Also ListedNurse Practitioner · Primary CareTaxonomy 363LP2300X · License 1-131578 (AL)
8375 HIGHWAY 72 W, Madison, AL 35758
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Michael Terrell Grissom Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Michael Grissom reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Emergency Physicians Group
11 mi
Emergency Medicine
101 SIVLEY RD SW, EM DEPT
Huntsville, AL 35801
  • Reassigned Medicare billing, Alabama enrollment
  • 193 clinicians in this Medicare group
NPI 1659366649 (256) 265-9891

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35758 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
$81.90 typical visit price
range $52.65 – $161.63
Typical copayment $20.47 (range $13.16 – $40.40)
Most-billed visit code 99203
Established Patient
$93.72 typical visit price
range $16.56 – $131.65
Typical copayment $23.43 (range $4.14 – $32.91)
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 20

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

MR. RICKY JEREMY CARWILE CRNP
Nurse Practitioner (Acute Care)
8375 HIGHWAY 72 W
MADISON, AL 35758
Madison County (256) 265-2012
ROBERT MIMS PA-C
Physician Assistant
8375 HIGHWAY 72 W
MADISON, AL 35758
Madison County (256) 256-2012
JAMES DANIEL GRIFFIN CRNP
Nurse Practitioner (Acute Care)
8375 HIGHWAY 72 W
MADISON, AL 35758
Madison County (256) 265-5051
JORDAN ROSS TODD PHARMD
Pharmacy (Institutional Pharmacy)
8375 HIGHWAY 72 W
MADISON, AL 35758
Madison County (256) 817-5037
LESLIE HOGAN CRNP
Nurse Practitioner
8375 HIGHWAY 72 W
MADISON, AL 35758
Madison County (256) 265-5051
HANNAH ELIZABETH GALLANT CRNA
Nurse Anesthetist, Certified Registered
8375 HIGHWAY 72 W
MADISON, AL 35758
Madison County (256) 265-1000
DANA ZAHRAN CRNP
Nurse Practitioner (Family)
8375 HIGHWAY 72 W
MADISON, AL 35758
Madison County (256) 817-5051
JORDAN-NOEL BREEON HENDERSON
Nurse Anesthetist, Certified Registered
8375 HIGHWAY 72 W
MADISON, AL 35758
Madison County (256) 265-2012

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 Grissom's NPI number?

The NPI number for Michael Grissom is 1649649138. It was assigned to this individual provider in the NPPES registry on September 15, 2015.

Where is Michael Grissom located?

Michael Grissom practices at 8375 Highway 72 W, Madison, AL 35758. The listed phone number is (256) 265-2012.

What is Michael Grissom's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Michael Grissom enrolled in Medicare?

Yes. Michael Grissom is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Michael Grissom's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Grissom reassigns Medicare benefits to Emergency Physicians Group (Huntsville, AL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Grissom's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Grissom accept?

Health plans from Blue Cross and Blue Shield of Alabama list Michael Grissom 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.

When was this NPI record last updated?

The NPPES record for Michael Grissom was last updated on September 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.