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DR. WILLIAM S COOK JR. M.D.
NPI 1356440721
Psychiatry & Neurology - Geriatric Psychiatry in Jackson, MS

Active since September 22, 2006PECOS Enrolled
4500 I 55 N, STE 256, JACKSON, MS 39211(601) 366-3660(601) 366-0636 Get Directions Write a Review

NPPES record last updated: October 13, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William S Cook Jr. M.d. NPPES

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

DR. WILLIAM S COOK JR. M.D. (NPI 1356440721) is an individual geriatric psychiatry provider in Jackson, Mississippi, licensed in Mississippi (10170) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356440721
Entity TypeIndividualMale
Primary Taxonomy2084P0805X
Provider Legal NameDR. WILLIAM S COOK JR.Credential: M.D.
Location Address4500 I 55 N, STE 256Jackson, MS 39211-5930
Mailing Address4500 I 55 N, Ste 256Jackson, MS 39211-5930 · (601) 366-3660 · Fax (601) 366-0636
Phone(601) 366-3660
Fax(601) 366-0636
Sole ProprietorYes
Enumeration DateSeptember 22, 2006
Last NPPES UpdateOctober 13, 2016
✔ NPI 1356440721 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Geriatric PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0805X
License✔ Licensed in MS · 10170
Definition
Geriatric Psychiatry is a subspecialty with psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.
4500 I 55 N, Jackson, MS 39211
Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type Unspecified260000293MS

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. William S Cook Jr. 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 39211 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
$159.18 typical visit price
range $51.65 – $159.18
Typical copayment $39.79 (range $12.91 – $39.79)
Most-billed visit code 99205
Established Patient
$92.20 typical visit price
range $16.15 – $129.61
Typical copayment $23.05 (range $4.03 – $32.40)
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.

JAMIE M AUSTIN OTR/L
Occupational Therapist
4500 I 55 N, SUITE 291, HIGHLAND VILLAGE
JACKSON, MS 39211
Hinds County (601) 362-0859
SHARONDA TURNER
Speech-Language Pathologist
4500 I 55 N, SUITE 291
JACKSON, MS 39211
Hinds County (601) 362-0859
SHERRY BOULDIN LPC
Counselor (Professional)
4500 I 55 N, SUITE 220
JACKSON, MS 39211
Hinds County (601) 927-8729
MRS. CHERYL DIANNE HAWLEY MA/CCC/SLP
Speech-Language Pathologist
4500 I 55 N, HIGHLAND VILLAGE STE 291
JACKSON, MS 39211
Hinds County (601) 362-0859
CAMILLE SANDIFER, DMD, MSD INC
Dentist (Orthodontics and Dentofacial Orthopedics)
4500 I 55 N, HIGHLAND VILLAGE #247
JACKSON, MS 39211
Hinds County (601) 981-5004
SHONTIA VASH'E MORRIS LPC
Counselor (Professional)
4500 I 55 N, SUITE 220
JACKSON, MS 39211
Hinds County (601) 613-7569
LEAH VERNON LPC
Counselor (Professional)
4500 I 55 N
JACKSON, MS 39211
Hinds County (601) 405-7440
MRS. STEPHANIE LYNN ALLMAN M.S.
Speech-Language Pathologist
4500 I 55 N, HIGHLAND VILLAGE STE 291
JACKSON, MS 39211
Hinds County (601) 362-0859

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 William Cook's NPI number?

The NPI number for William Cook is 1356440721. It was assigned to this individual provider in the NPPES registry on September 22, 2006.

Where is William Cook located?

William Cook practices at 4500 I 55 N Ste 256, Jackson, MS 39211. The listed phone number is (601) 366-3660.

What is William Cook's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Geriatric Psychiatry, with taxonomy code 2084P0805X.

Is William Cook enrolled in Medicare?

Yes. William Cook is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Cook was last updated on October 13, 2016. 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.