SAMUEL PATRICK WALKER SR. M.D.
NPI 1639258254
Internal Medicine in Luverne, AL

Q: What is Samuel Walker's NPI number?

The NPI number for Samuel Walker is 1639258254. It was assigned to this individual provider in the NPPES registry on November 3, 2006.

Q: What is Samuel Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Samuel Walker was last updated on September 20, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since November 03, 2006PECOS EnrolledAccepts Medicare Assignment

39 ROY BEALL DR, LUVERNE, AL 36049(334) 335-6515(334) 335-2105 Get Directions Write a Review

NPPES record last updated: September 20, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Samuel Patrick Walker Sr. M.d. NPPES

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

SAMUEL PATRICK WALKER SR. M.D. (NPI 1639258254) is an individual internal medicine provider in Luverne, Alabama, licensed in Alabama (6744) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (1973).

NPPES Registry Identity

NPI1639258254

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameSAMUEL PATRICK WALKER SR.Credential: M.D.

Location Address39 ROY BEALL DRLuverne, AL 36049-6805

Mailing AddressPo Box 407Luverne, AL 36049-0407 · (334) 335-6515 · Fax (334) 335-2105

Phone(334) 335-6515

Fax(334) 335-2105

Sole ProprietorYes

Medical School CMSUniversity Of Alabama School Of MedicineGraduated 1973

Enumeration DateNovember 3, 2006

Last NPPES UpdateSeptember 20, 2011

✔ NPI 1639258254 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in AL · 6744

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

39 ROY BEALL DR, Luverne, AL 36049

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee 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

Samuel Patrick Walker Sr. M.d. 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 ID547332181

PECOS Enrollment IDI20080626000496

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 Reassignments

Medicare enrollment records show Samuel Walker reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Luverne Health Clinic, P.A.

Same address

Specialist

39 ROY BEALL DR
Luverne, AL 36049

Reassigned Medicare billing, Alabama enrollment
2 clinicians in this Medicare group

NPI 1659539435 (334) 335-6515

Crenshaw County Health Care Authority

4.4 mi

Critical Access

101 HOSPITAL CIR
Luverne, AL 36049

Reassigned Medicare billing, Alabama enrollment
20 clinicians in this Medicare group

NPI 1750480406 (334) 335-3374

Ess Of Luverne LLC

4.4 mi

Emergency Medicine

101 HOSPITAL DR
Luverne, AL 36049

Reassigned Medicare billing, Alabama enrollment
52 clinicians in this Medicare group

NPI 1457953473 (334) 335-3374

Crenshaw County Health Care Authority

4.4 mi

Critical Access

101 HOSPITAL CIR
Luverne, AL 36049

Reassigned Medicare billing, Alabama enrollment
Medicare enrollment name: Professional Resources Management Of Crenshaw LLC
14 clinicians in this Medicare group

NPI 1750480406 (334) 335-3374

Keystone Medical Services Of Alabama, Inc.

20 mi

Emergency Medicine

1330 HIGHWAY 231 S
Troy, AL 36081

Reassigned Medicare billing, Alabama enrollment
60 clinicians in this Medicare group

NPI 1790432243 (334) 670-5000

Newgen Alabama Billing LLC

41 mi

Emergency Medicine

126 HOSPITAL AVE
Ozark, AL 36360

Reassigned Medicare billing, Alabama enrollment
140 clinicians in this Medicare group

NPI 1013744424 (334) 774-2601

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 10

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 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.

112 services48 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.

63 services16 patients

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.

62 services20 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307

A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.

62 services29 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.

58 services29 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

39 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36049 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

$93.72 typical visit price

range $16.56 – $131.65

Typical copayment $23.43 (range $4.14 – $32.91)

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 27

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

Tape, waterproof, per 18 square inches A4452

DME-Medical/Surgical Supplies · category DA000N

1 supplier21 claims2,372 services$0.37 avg. paid by Medicare

Composite dressing, sterile, pad size 16 sq. in. or less, with any size adhesive border, each dressing A6203

DME-Medical/Surgical Supplies · category DA023N

1 supplier22 claims732 services$3.11 avg. paid by Medicare

Gauze, impregnated with other than water, normal saline, or hydrogel, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing A6222

DME-Medical/Surgical Supplies · category DA023N

1 supplier11 claims344 services$2.05 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 supplier15 claims766 services$3.02 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 supplier17 claims2,291 services$0.37 avg. paid by Medicare

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

DME-Other DME · category DE000N

2 suppliers20 claims39 services$1.71 avg. paid by Medicare

Small volume nonfiltered pneumatic nebulizer, disposable A7004

DME-Other DME · category DE000N

1 supplier13 claims26 services$1.11 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

1 supplier18 claims18 services$108.18 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

1 supplier15 claims27 services$44.38 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

1 supplier21 claims95 services$24.94 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

1 supplier19 claims19 services$69.52 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

1 supplier18 claims18 services$22.63 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

1 supplier37 claims37 services$21.38 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

1 supplier36 claims216 services$3.13 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

1 supplier17 claims17 services$7.74 avg. paid by Medicare

Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150

Other-Enteral and Parenteral · category OB006N

1 supplier14 claims5,486 services$0.48 avg. paid by Medicare

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152

Other-Enteral and Parenteral · category OB006N

1 supplier16 claims8,324 services$0.37 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

1 supplier50 claims50 services$68.46 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

1 supplier45 claims45 services$20.36 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers28 claims28 services$7.19 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

1 supplier23 claims23 services$45.73 avg. paid by Medicare

Transport chair, adult size, patient weight capacity up to and including 300 pounds E1038

DME-Other DME · category DE000N

1 supplier12 claims12 services$10.80 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

1 supplier123 claims123 services$113.41 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

2 suppliers24 claims5,410 services$0.03 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

1 supplier11 claims660 services$0.15 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

2 suppliers72 claims74 services$21.14 avg. paid by Medicare

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

DME-Other DME · category DE000N

2 suppliers21 claims21 services$23.57 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

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

LUVERNE HEALTH CLINIC, P.A.

Specialist

39 ROY BEALL DR
LUVERNE, AL 36049

Crenshaw County (334) 335-6515

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 Samuel Walker's NPI number?

The NPI number for Samuel Walker is 1639258254. It was assigned to this individual provider in the NPPES registry on November 3, 2006.

Where is Samuel Walker located?

Samuel Walker practices at 39 Roy Beall Dr, Luverne, AL 36049. The listed phone number is (334) 335-6515.

What is Samuel Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Samuel Walker enrolled in Medicare?

Yes. Samuel Walker 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 organizations bill Medicare for Samuel Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Walker reassigns Medicare benefits to 6 organizations: Luverne Health Clinic, P.A. (Luverne, AL), Crenshaw County Health Care Authority (Luverne, AL), Ess Of Luverne LLC (Luverne, AL), Crenshaw County Health Care Authority (Luverne, AL), Keystone Medical Services Of Alabama, Inc. (Troy, AL) and 1 more organization, listed in the Medicare section above. Each 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 Samuel Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samuel Walker accept?

Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee and Blue Cross and Blue Shield of Alabama list Samuel Walker 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 Samuel Walker was last updated on September 20, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.