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KRISHNA SASANK VELLANKI MD
NPI 1841985108
Internal Medicine in Little Rock, AR

Active since April 11, 2023PECOS Enrolled
4301 W MARKHAM ST # 641, LITTLE ROCK, AR 72205(501) 686-8000(501) 526-5148 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2026, Apr 11, 2023 (2 updates tracked since 2023).

About Krishna Sasank Vellanki Md NPPES

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

KRISHNA SASANK VELLANKI MD (NPI 1841985108) is an individual internal medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-20880) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS and maintains a secondary practice location in Little Rock.

NPPES Registry Identity

NPI1841985108
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameKRISHNA SASANK VELLANKICredential: MD
Location Address4301 W MARKHAM ST # 641Little Rock, AR 72205-7101
Mailing Address4301 W Markham St # 783Little Rock, AR 72205-7101 · (501) 686-8000 · Fax (501) 526-5148
Phone(501) 686-8000
Fax(501) 526-5148
Sole ProprietorNo
Enumeration DateApril 11, 2023
Last NPPES UpdateAugust 14, 20262 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1841985108 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AR · E-20880
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.
4301 W MARKHAM ST # 641, Little Rock, AR 72205
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Secondary Practice Location 1

Location 14110 Outpatient CircleLittle Rock, AR 72205 · Phone (501) 686-5545 · Fax (501) 686-8668

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 from Superior HealthPlan 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 (PECOS)

Krishna Sasank Vellanki Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Krishna Vellanki reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Arkansas For Medical Sciences
Same address
Advanced Practice Midwife
4301 W MARKHAM ST # 783
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 2,038 clinicians in this Medicare group
NPI 1043372220 (501) 686-8000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72205 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
$119.36 typical visit price
range $51.36 – $157.74
Typical copayment $29.84 (range $12.84 – $39.43)
Most-billed visit code 99204
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
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 19

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

DR. ALICE P ALEXANDER MD
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
THOMAS PLES SPRADLEY MD
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-1010
NATHAN JOHNSON
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-5545
DR. ZACHARY WALKER TILLEY MD
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 526-1010
MATTHEW LAWS
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-5545
MADISON B MORRIS MD
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
DR. ELIZABETH CAROL GATH M.D.
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
ALEX JOHN CLAUSEN
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000

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 Krishna Vellanki's NPI number?

The NPI number for Krishna Vellanki is 1841985108. It was assigned to this individual provider in the NPPES registry on April 11, 2023.

Where is Krishna Vellanki located?

Krishna Vellanki practices at 4301 W Markham St # 641, Little Rock, AR 72205. The listed phone number is (501) 686-8000.

What is Krishna Vellanki's specialty?

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

Is Krishna Vellanki enrolled in Medicare?

Yes. Krishna Vellanki is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Krishna Vellanki's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Krishna Vellanki reassigns Medicare benefits to University Of Arkansas For Medical Sciences (Little Rock, AR). 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 Krishna Vellanki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Krishna Vellanki accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Krishna Vellanki 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 Krishna Vellanki was last updated on August 14, 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.