DR. STEVEN DEWAYNE GAMMEL MD
NPI 1659550127
Family Medicine in Winona, MS

Q: What is Steven Gammel's NPI number?

The NPI number for Steven Gammel is 1659550127. It was assigned to this individual provider in the NPPES registry on October 31, 2007.

Q: What is Steven Gammel's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Steven Gammel was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since October 31, 2007PECOS EnrolledAccepts Medicare Assignment

408 TYLER HOLMES DR, WINONA, MS 38967(662) 283-8205 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Steven Dewayne Gammel Md NPPES

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

DR. STEVEN DEWAYNE GAMMEL MD (NPI 1659550127) is an individual family medicine provider in Winona, Mississippi, licensed in Mississippi (20050) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS, is affiliated with Greenwood Leflore Hospital, and is a graduate of University Of Mississippi School Of Medicine (2006).

NPPES Registry Identity

NPI1659550127

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. STEVEN DEWAYNE GAMMELCredential: MD

Location Address408 TYLER HOLMES DRWinona, MS 38967-1522

Mailing Address408 Tyler Holmes DrWinona, MS 38967-1522 · (662) 283-8205

Phone(662) 283-8205

Sole ProprietorYes

Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2006

Enumeration DateOctober 31, 2007

Last NPPES UpdateSeptember 2, 2026

NPPES CertifiedSeptember 2, 2026

✔ NPI 1659550127 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 · 20050

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.

408 TYLER HOLMES DR, Winona, MS 38967

Open in Google Maps ↗

Other Identifiers 1

Other20050MS · State License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Steven Dewayne Gammel 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 ID9032275896

PECOS Enrollment IDI20090303000048

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 Steven Gammel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tyler Holmes Walk-In Clinic

Same address

Clinic/Center

409 TYLER HOLMES DR
Winona, MS 38967

Reassigned Medicare billing, Mississippi enrollment
Medicare enrollment name: Tyler Holmes Memorial Hospital
14 clinicians in this Medicare group

NPI 1336420587 (662) 283-5295

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

Areas of Expertise CMS Part B claims 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

59 services40 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

43 services38 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

27 services21 patients

Hospital Affiliations CMS Care Compare 3

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

Greenwood Leflore Hospital

Acute Care Hospitals · Greenwood, MS

1/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number250099

Location1401 River RdGreenwood, MS 38930 · Leflore County

Emergency services

University Of Mississippi Medical Center- Grenada

Acute Care Hospitals · Grenada, MS

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number250168

Location960 Avent DriveGrenada, MS 38901 · Grenada County

Emergency services Birthing friendly

Tyler Holmes Memorial Hospital Cah

Critical Access Hospitals · Winona, MS

OwnershipGovernment - Local

CMS Certification Number251312

Location409 Tyler Holmes DriveWinona, MS 38967 · Montgomery County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38967 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 28

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

8 suppliers35 claims122 services$6.20 avg. paid by Medicare

Normal, low and high calibrator solution / chips A4256

DME-Other DME · category DE000N

5 suppliers16 claims16 services$2.76 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

6 suppliers21 claims40 services$1.11 avg. paid by Medicare

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357

DME-Orthotic Devices · category DF000N

2 suppliers14 claims25 services$7.96 avg. paid by Medicare

Tape, waterproof, per 18 square inches A4452

DME-Medical/Surgical Supplies · category DA000N

1 supplier13 claims1,496 services$0.37 avg. paid by Medicare

Specialty absorptive dressing, wound cover, sterile, pad size more than 16 sq. in. but less than or equal to 48 sq. in., without adhesive border, each dressing A6252

DME-Medical/Surgical Supplies · category DA023N

1 supplier16 claims860 services$3.14 avg. paid by Medicare

Conforming bandage, non-elastic, knitted/woven, sterile, width greater than or equal to three inches and less than five inches, per yard A6446

DME-Medical/Surgical Supplies · category DA023N

1 supplier20 claims3,280 services$0.37 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

5 suppliers27 claims54 services$1.87 avg. paid by Medicare

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034

Other-Enteral and Parenteral · category OB006N

2 suppliers18 claims509 services$4.15 avg. paid by Medicare

Enteral formula, nutritionally complete, hydrolyzed proteins (amino acids and peptide chain), includes fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4153

Other-Enteral and Parenteral · category OB006N

1 supplier13 claims6,309 services$1.38 avg. paid by Medicare

Enteral formula, nutritionally incomplete/modular nutrients, includes specific nutrients, carbohydrates (e.g., glucose polymers), proteins/amino acids (e.g., glutamine, arginine), fat (e.g., medium chain triglycerides) or combination, administered through an enteral feeding tube, 100 calories = 1 unit B4155

Other-Enteral and Parenteral · category OB006N

1 supplier11 claims197 services$0.67 avg. paid by Medicare

Walker, folding, wheeled, adjustable or fixed height E0143

DME-Other DME · category DE000N

3 suppliers15 claims15 services$66.97 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

3 suppliers33 claims33 services$68.59 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress E0261

DME-Hospital Beds · category DB000N

3 suppliers19 claims19 services$54.79 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

7 suppliers167 claims167 services$20.03 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

3 suppliers48 claims48 services$7.68 avg. paid by Medicare

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

5 suppliers37 claims37 services$51.46 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

8 suppliers269 claims269 services$108.30 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers24 claims24 services$33.89 avg. paid by Medicare

Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms J7606

DME-Drugs Administered Through DME · category DG006N

1 supplier12 claims720 services$6.42 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

3 suppliers37 claims9,069 services$0.03 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

3 suppliers27 claims2,940 services$0.09 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

1 supplier20 claims1,200 services$0.66 avg. paid by Medicare

Ipratropium bromide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, per milligram J7644

DME-Drugs Administered Through DME · category DG006N

2 suppliers16 claims945 services$0.16 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

6 suppliers72 claims72 services$23.32 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

1 supplier15 claims15 services$10.92 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

7 suppliers29 claims29 services$197.38 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

3 suppliers87 claims87 services$23.52 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Steven Gammel's NPI number?

The NPI number for Steven Gammel is 1659550127. It was assigned to this individual provider in the NPPES registry on October 31, 2007.

Where is Steven Gammel located?

Steven Gammel practices at 408 Tyler Holmes Dr, Winona, MS 38967. The listed phone number is (662) 283-8205.

What is Steven Gammel's specialty?

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

Is Steven Gammel enrolled in Medicare?

Yes. Steven Gammel 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.

Which organization bills Medicare for Steven Gammel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Gammel reassigns Medicare benefits to Tyler Holmes Walk-In Clinic (Winona, MS). 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 Steven Gammel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Steven Gammel accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list Steven Gammel 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 Steven Gammel affiliated with any hospitals?

According to CMS data, Steven Gammel is affiliated with Greenwood Leflore Hospital, University Of Mississippi Medical Center- Grenada and Tyler Holmes Memorial Hospital Cah.

When was this NPI record last updated?

The NPPES record for Steven Gammel was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.