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DR. JOHN GRANT WIDEMAN MD
NPI 1336255728
Obstetrics & Gynecology in Cullman, AL

Active since August 21, 2006PECOS EnrolledAccepts Medicare Assignment
1948 AL HIGHWAY 157, CULLMAN, AL 35058(256) 735-5277(256) 203-8626 Get Directions Write a Review

NPPES record last updated: February 11, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 8, 2025, Oct 30, 2018, Mar 27, 2018 and 1 more (4 updates tracked since 2018).

About Dr. John Grant Wideman Md NPPES

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

DR. JOHN GRANT WIDEMAN MD (NPI 1336255728) is an individual obstetrics & gynecology provider in Cullman, Alabama, licensed in Alabama (22380) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (1995).

NPPES Registry Identity

NPI1336255728
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. JOHN GRANT WIDEMANCredential: MD
Location Address1948 AL HIGHWAY 157Cullman, AL 35058-0642
Mailing AddressPo Box 2895Cullman, AL 35056-2895 · (256) 735-5044 · Fax (256) 801-7626
Phone(256) 735-5277
Fax(256) 203-8626
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 1995
Enumeration DateAugust 21, 2006
Last NPPES UpdateFebruary 11, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 11, 2026
✔ NPI 1336255728 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in AL · 22380
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1948 AL HIGHWAY 157, Cullman, AL 35058
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Other Identifiers 2

Medicaid117937AL
Medicaid118948AL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Magnolia Health, Ambetter Health, Ambetter of Alabama 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. John Grant Wideman Md 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 ID7618944653
PECOS Enrollment IDI20040910000542
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.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
25 services25 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.
21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35058 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
$122.31 typical visit price
range $52.65 – $161.63
Typical copayment $30.57 (range $13.16 – $40.40)
Most-billed visit code 99204
Established Patient
$66.08 typical visit price
range $16.56 – $131.65
Typical copayment $16.52 (range $4.14 – $32.91)
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 20

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

JESSICA LYNNE MEYER LMHC CADAC IV
Counselor (Mental Health)
1948 AL HIGHWAY 157
CULLMAN, AL 35058
Cullman County (256) 735-5570
LAUREN C ROBINSON DO
Family Medicine
1948 AL HIGHWAY 157
CULLMAN, AL 35058
Cullman County (256) 735-5075
CULLMAN MEDICAL AND PEDIATRIC ASSOCIATES
Specialist
1948 AL HIGHWAY 157, SUITE 330
CULLMAN, AL 35058
Cullman County (256) 739-3838
VICTORIA UNDERWOOD CLAY MD
Anesthesiology (Pain Medicine)
1948 AL HIGHWAY 157
CULLMAN, AL 35058
Cullman County (256) 735-5560
LEOR T ARBEL MD
Urology
1948 AL HIGHWAY 157
CULLMAN, AL 35058
Cullman County (256) 737-2177
MRS. JENNIFER PARKER BURNHAM MS,CCC-A
Audiologist
1948 AL HIGHWAY 157, SUITE 410
CULLMAN, AL 35058
Cullman County (256) 737-0368
NICHOLE C BROOKS CRNP
Nurse Practitioner (Family)
1948 AL HIGHWAY 157
CULLMAN, AL 35058
Cullman County (256) 737-2177
INTERNAL MEDICINE AND PEDIATRICS OF CULLMAN
Specialist
1948 AL HIGHWAY 157, SUITE 360
CULLMAN, AL 35058
Cullman County (256) 739-1575

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 John Wideman's NPI number?

The NPI number for John Wideman is 1336255728. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is John Wideman located?

John Wideman practices at 1948 Al Highway 157, Cullman, AL 35058. The listed phone number is (256) 735-5277.

What is John Wideman's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is John Wideman enrolled in Medicare?

Yes. John Wideman 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 John Wideman accept?

Health plans from Ambetter Health, Ambetter from Magnolia Health, Ambetter of Alabama, Ambetter of Tennessee and Blue Cross and Blue Shield of Alabama list John Wideman 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 John Wideman was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.