1. Home
  2. Directory
  3. Alabama
  4. Huntsville
  5. Psychiatry Neurology
  6. NPI Profile

DR. JOHN WILLIAM GEWIN M.D.
NPI 1427180785
Psychiatry & Neurology - Psychiatry in Huntsville, AL

Active since March 12, 2007PECOS Enrolled
500 MARKAVIEW RD NW, VA CLINIC, MENTAL HEALTH SERVICE, HUNTSVILLE, AL 35805(256) 535-3100 Get Directions Write a Review

NPPES record last updated: January 25, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John William Gewin M.d. NPPES

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

DR. JOHN WILLIAM GEWIN M.D. (NPI 1427180785) is an individual psychiatry provider in Huntsville, Alabama, licensed in Alabama (26301) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427180785
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JOHN WILLIAM GEWINCredential: M.D.
Location Address500 MARKAVIEW RD NW, VA CLINIC, MENTAL HEALTH SERVICEHuntsville, AL 35805-3652
Mailing Address500 Markaview Rd Nw, Va Clinic, Mental Health ServiceHuntsville, AL 35805-3652 · (256) 535-3100
Phone(256) 535-3100
Sole ProprietorNo
Enumeration DateMarch 12, 2007
Last NPPES UpdateJanuary 25, 2017
✔ NPI 1427180785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in AL · 26301
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
500 MARKAVIEW RD NW, Huntsville, AL 35805
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John William Gewin M.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35805 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
$161.63 typical visit price
range $52.65 – $161.63
Typical copayment $40.40 (range $13.16 – $40.40)
Most-billed visit code 99205
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.

DR. STEPHEN P BOYER O.D.
Optometrist
500 MARKAVIEW RD NW
HUNTSVILLE, AL 35805
Madison County (256) 933-8101
MS. MARIAH DANIELLE BUGS
Social Worker
500 MARKAVIEW RD NW
HUNTSVILLE, AL 35805
Madison County (256) 535-3100
MS. JESSICA WAYLAND LMSW
Social Worker
500 MARKAVIEW RD NW
HUNTSVILLE, AL 35805
Madison County (256) 533-8477
JESSICA NICOLE MOORE COTA
Occupational Therapy Assistant
500 MARKAVIEW RD NW
HUNTSVILLE, AL 35805
Madison County (256) 533-8477
KRISTY SUE JONES
Case Manager/Care Coordinator
500 MARKAVIEW RD NW
HUNTSVILLE, AL 35805
Madison County (205) 933-8101
MR. STACEY BRYAN HALEY
Peer Specialist
500 MARKAVIEW RD NW
HUNTSVILLE, AL 35805
Madison County (256) 595-3100
DR. CARA ELIZABETH HILL PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
500 MARKAVIEW RD NW
HUNTSVILLE, AL 35805
Madison County (256) 533-8477
VICTORIA HARRIS
Occupational Therapist
500 MARKAVIEW RD NW
HUNTSVILLE, AL 35805
Madison County (256) 533-8477

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 Gewin's NPI number?

The NPI number for John Gewin is 1427180785. It was assigned to this individual provider in the NPPES registry on March 12, 2007.

Where is John Gewin located?

John Gewin practices at 500 Markaview Rd NW VA Clinic, Mental Health Service, Huntsville, AL 35805. The listed phone number is (256) 535-3100.

What is John Gewin's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is John Gewin enrolled in Medicare?

Yes. John Gewin is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Gewin was last updated on January 25, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.