DR. STEPHEN C HAMMACK MD
NPI 1639396393
Family Medicine in Flowood, MS

Active since April 20, 2007PECOS EnrolledAccepts Medicare Assignment
294 E LAYFAIR DR, FLOWOOD, MS 39232(601) 414-6520 Get Directions Write a Review

NPPES record last updated: June 12, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Stephen C Hammack Md NPPES

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

DR. STEPHEN C HAMMACK MD (NPI 1639396393) is an individual family medicine provider in Flowood, Mississippi, licensed in Mississippi (19226) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with St Dominic-jackson Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1639396393
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. STEPHEN C HAMMACKCredential: MD
Location Address294 E LAYFAIR DRFlowood, MS 39232-9526
Mailing AddressPo Box 23996Jackson, MS 39225 · (601) 206-6100 · Fax (601) 206-6052
Sole ProprietorNo
Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2004
Enumeration DateApril 20, 2007
Last NPPES UpdateJune 12, 2023
NPPES CertifiedMay 28, 2021
NPI 1639396393 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MS · 19226
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
294 E LAYFAIR DR, Flowood, MS 39232

Secondary Practice Locations 2

Location 1286 Calhoun Station PkwyMadison, MS 39110-5537 · Phone (601) 200-4321 · Fax (601) 859-0159
Location 2332 Highway 12 WestKosciusko, MS 39090 · Phone (662) 289-1800 · Fax (662) 289-2486

Other Identifiers 1

Medicaid07838781MS

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

Dr. Stephen C Hammack 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 ID5698868560
PECOS Enrollment IDI20070908000084
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 18

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
252 services108 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
177 services35 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
154 services86 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.
135 services91 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
116 services84 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
107 services77 patients

Hospital Affiliations CMS Care Compare 2

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

St Dominic-Jackson Memorial Hospital

Acute Care Hospitals · Jackson, MS
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number250048
Location969 Lakeland DrJackson, MS 39216 · Hinds County
Emergency services Birthing friendly

Mississippi Baptist Medical Center

Acute Care Hospitals · Jackson, MS
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number250102
Location1225 N State StJackson, MS 39202 · Hinds County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39232 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
$80.50 typical visit price
range $51.65 – $159.18
Typical copayment $20.12 (range $12.91 – $39.79)
Most-billed visit code 99203
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers22 claims67 services$7.05 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
3 suppliers12 claims12 services$2.93 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
5 suppliers18 claims32 services$1.21 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

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

Urology
294 E LAYFAIR DR
FLOWOOD, MS 39232
Family Medicine
294 E LAYFAIR DR
FLOWOOD, MS 39232
Family Medicine
294 E LAYFAIR DR
FLOWOOD, MS 39232
Urology
294 E LAYFAIR DR
FLOWOOD, MS 39232
Physician Assistant
294 E LAYFAIR DR
FLOWOOD, MS 39232
Family Medicine
294 E LAYFAIR DR
FLOWOOD, MS 39232
Internal Medicine
294 E LAYFAIR DR
FLOWOOD, MS 39232
Clinic/Center (Primary Care)
294 E LAYFAIR DR
FLOWOOD, MS 39232

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 Stephen Hammack's NPI number?

The NPI number for Stephen Hammack is 1639396393. It was assigned to this individual provider in the NPPES registry on April 20, 2007.

Where is Stephen Hammack located?

Stephen Hammack practices at 294 E Layfair Dr, Flowood, MS 39232. The listed phone number is (601) 414-6520.

What is Stephen Hammack's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Stephen Hammack enrolled in Medicare?

Yes. Stephen Hammack 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 Stephen Hammack accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list Stephen Hammack 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 Stephen Hammack affiliated with any hospitals?

According to CMS data, Stephen Hammack is affiliated with St Dominic-Jackson Memorial Hospital and Mississippi Baptist Medical Center.

When was this NPI record last updated?

The NPPES record for Stephen Hammack was last updated on June 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.