DR. ZACHARY WALKER TILLEY MD
NPI 1144726993
Internal Medicine in Little Rock, AR

Active since April 02, 2018PECOS EnrolledAccepts Medicare Assignment
4301 W MARKHAM ST # 641, LITTLE ROCK, AR 72205(501) 526-1010 Get Directions Write a Review

NPPES record last updated: August 5, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 5, 2021, Jul 22, 2021, Jul 1, 2021 and 1 more (4 updates tracked since 2021).

About Dr. Zachary Walker Tilley Md NPPES

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

DR. ZACHARY WALKER TILLEY MD (NPI 1144726993) is an individual internal medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-14274) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains a secondary practice location in Little Rock, and is a graduate of University Of Arkansas College Of Medicine (2018).

NPPES Registry Identity

NPI1144726993
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ZACHARY WALKER TILLEYCredential: MD
Location Address4301 W MARKHAM ST # 641Little Rock, AR 72205-7101
Mailing AddressPo Box 251420Little Rock, AR 72225-1420 · (501) 686-8000 · Fax (501) 526-5148
Sole ProprietorYes
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 2018
Enumeration DateApril 2, 2018
Last NPPES UpdateAugust 5, 20214 updates tracked since enumeration
NPPES CertifiedAugust 5, 2021
NPI 1144726993 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-14274
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

Secondary Practice Location 1

Location 12 Saint Vincent CirLittle Rock, AR 72205-5423 · Phone (501) 552-4677 · Fax (501) 552-4555

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. Zachary Walker Tilley 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 ID6305192980
PECOS Enrollment IDI20210709000955
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 6

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.
375 services149 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.
291 services115 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
132 services132 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.
58 services58 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.
20 services20 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
15 services13 patients

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 17

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

Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Internal Medicine
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205
Student in an Organized Health Care Education/Training Program
4301 W MARKHAM ST # 641
LITTLE ROCK, AR 72205

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 Zachary Tilley's NPI number?

The NPI number for Zachary Tilley is 1144726993. It was assigned to this individual provider in the NPPES registry on April 2, 2018.

Where is Zachary Tilley located?

Zachary Tilley practices at 4301 W Markham St # 641, Little Rock, AR 72205. The listed phone number is (501) 526-1010.

What is Zachary Tilley's specialty?

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

Is Zachary Tilley enrolled in Medicare?

Yes. Zachary Tilley 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 Zachary Tilley accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health and Ambetter from Superior HealthPlan and 2 other insurers list Zachary Tilley 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 Zachary Tilley was last updated on August 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.