LARRY WALKER M.D.
NPI 1538140587
Internal Medicine - Nephrology in Huntsville, AL

Q: What is Larry Walker's NPI number?

The NPI number for Larry Walker is 1538140587. It was assigned to this individual provider in the NPPES registry on November 8, 2005.

Q: What is Larry Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Larry Walker was last updated on August 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 08, 2005PECOS EnrolledAccepts Medicare Assignment

810 FRANKLIN ST SE, SUITE A, HUNTSVILLE, AL 35801(256) 881-1160(256) 533-3171 Get Directions Write a Review

NPPES record last updated: August 11, 2020. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Larry Walker M.d. NPPES

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

LARRY WALKER M.D. (NPI 1538140587) is an individual nephrology provider in Huntsville, Alabama, licensed in Alabama (21290) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Wisconsin School Of Medicine (1996).

NPPES Registry Identity

NPI1538140587

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameLARRY WALKERCredential: M.D.

Location Address810 FRANKLIN ST SE, SUITE AHuntsville, AL 35801-4310

Mailing Address810 Franklin St Se, Suite AHuntsville, AL 35801-4310 · (256) 881-1160 · Fax (256) 533-3171

Phone(256) 881-1160

Fax(256) 533-3171

Sole ProprietorNo

Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 1996

Enumeration DateNovember 8, 2005

Last NPPES UpdateAugust 11, 2020

NPPES CertifiedAugust 11, 2020

✔ NPI 1538140587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in AL · 21290

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

810 FRANKLIN ST SE, Huntsville, AL 35801

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Other Identifiers 2

Other51502366AL · Bcbs

Medicaid51502366AL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Texas, Oscar Insurance Company.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

Larry Walker 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 ID5991760258

PECOS Enrollment IDI20041129000275

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 12

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.

858 services224 patients

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.

534 services432 patients

Hemodialysis procedure with physician evaluation 90935

Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.

244 services71 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

227 services130 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.

212 services200 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

201 services75 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

96 services79 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

73 services70 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

65 services65 patients

Home dialysis services per month (20 years or older) 90966

Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.

54 services30 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

49 services49 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.

26 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 35801 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.

Other Providers at the Same Location NPPES 15

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

DR. MICHAEL HUDSON HONEYWELL M.D.

Family Medicine

810 FRANKLIN ST SE
HUNTSVILLE, AL 35801

Madison County (256) 551-6503

HEATHER L. HALEY D.O.

Internal Medicine (Nephrology)

810 FRANKLIN ST SE, SUITE A
HUNTSVILLE, AL 35801

Madison County (256) 533-7676

DR. BENJAMIN ARTHUR PERRIN M.D.

Family Medicine

810 FRANKLIN ST SE
HUNTSVILLE, AL 35801

Madison County (256) 551-6503

MR. SAAD RAHMAN MD

Internal Medicine (Nephrology)

810 FRANKLIN ST SE, STE A
HUNTSVILLE, AL 35801

Madison County (256) 533-7676

STEPHANIE NICOLE MOTT CRNP

Nurse Practitioner

810 FRANKLIN ST SE, SUITE A
HUNTSVILLE, AL 35801

Madison County (256) 533-7676

DR. DAVID ALLEN SHOWERS M.D.

Family Medicine

810 FRANKLIN ST SE
HUNTSVILLE, AL 35801

Madison County (256) 551-6503

DR. CLAUDE LOUIS KINZER M.D.

Family Medicine

810 FRANKLIN ST SE
HUNTSVILLE, AL 35801

Madison County (256) 533-6503

DR. CHRISTOPHER O'HALLORAN D.O.

Family Medicine

810 FRANKLIN ST SE
HUNTSVILLE, AL 35801

Madison County (256) 551-6503

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 Larry Walker's NPI number?

The NPI number for Larry Walker is 1538140587. It was assigned to this individual provider in the NPPES registry on November 8, 2005.

Where is Larry Walker located?

Larry Walker practices at 810 Franklin St SE Suite A, Huntsville, AL 35801. The listed phone number is (256) 881-1160.

What is Larry Walker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Larry Walker enrolled in Medicare?

Yes. Larry 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.

What insurance does Larry Walker accept?

Health plans from Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Larry 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 Larry Walker was last updated on August 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.