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LUKE J NAYAK MD
NPI 1639608946
Internal Medicine in Ann Arbor, MI

Active since June 08, 2017PECOS EnrolledAccepts Medicare Assignment
1500 E MEDICAL CENTER DR, ANN ARBOR, MI 48109(734) 936-4000 Get Directions Write a Review

NPPES record last updated: July 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 3, 2025, Jun 16, 2020, Jun 8, 2017 (3 updates tracked since 2017).

About Luke J Nayak Md NPPES

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

LUKE J NAYAK MD (NPI 1639608946) is an individual internal medicine provider in Ann Arbor, Michigan, licensed in Missouri (2025010418) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Cox Medical Centers, and maintains a secondary practice location in Springfield.

NPPES Registry Identity

NPI1639608946
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameLUKE J NAYAKCredential: MD
Location Address1500 E MEDICAL CENTER DRAnn Arbor, MI 48109-5000
Mailing AddressPo Box 7411626Chicago, IL 60674-5626
Phone(734) 936-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 8, 2017
Last NPPES UpdateJuly 3, 20253 updates tracked since enumeration
NPPES CertifiedJuly 3, 2025
✔ NPI 1639608946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in MO · 2025010418✔ Licensed in MI · 4301501839
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.
1500 E MEDICAL CENTER DR, Ann Arbor, MI 48109
Open in Google Maps ↗

Secondary Practice Location 1

Location 11001 E Primrose StSpringfield, MO 65807-5155 · Phone (000) 000-0000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.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

Luke J Nayak 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 ID4183993355
PECOS Enrollment IDI20200722000279, I20250530000178
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 4

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 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.
157 services62 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.
76 services52 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.
52 services50 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.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Cox Medical Centers

Acute Care Hospitals · Springfield, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260040
Location3801 South National AvenueSpringfield, MO 65807 · Greene County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48109 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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 20

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

LOKMAN SUNG MD
Pathology (Forensic Pathology)
1500 E MEDICAL CENTER DR, 2ND FLOOR UNIVERSITY HOSPITAL RECP PATHOLOGY
ANN ARBOR, MI 48109
Washtenaw County (800) 862-7284
SAMEER DEV SAINI M.D.
Internal Medicine (Gastroenterology)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4000
KYLE DAVID PERRY MD
Pathology (Cytopathology)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4000
DR. DAVID ALEXANDER STEWART M.D.
Pediatrics
1500 E MEDICAL CENTER DR, 12TH FLOOR C.S. MOTT CHILDREN'S HOSPITAL ROOM 525
ANN ARBOR, MI 48109
Washtenaw County (734) 763-5302
DR. MICHAEL EDMUND WATSON MD
Pediatrics (Pediatric Infectious Diseases)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4000
CARRIE KRAEGER PORTER PA-C
Physician Assistant
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-6666
DENISE LYNN BERRY CRNA
Nurse Anesthetist, Certified Registered
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4000
KETTI SOPHIA PETERSEN MD
Family Medicine (Hospice and Palliative Medicine)
1500 E MEDICAL CENTER DR
ANN ARBOR, MI 48109
Washtenaw County (734) 936-4000

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 Luke Nayak's NPI number?

The NPI number for Luke Nayak is 1639608946. It was assigned to this individual provider in the NPPES registry on June 8, 2017.

Where is Luke Nayak located?

Luke Nayak practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The listed phone number is (734) 936-4000.

What is Luke Nayak's specialty?

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

Is Luke Nayak enrolled in Medicare?

Yes. Luke Nayak 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 Luke Nayak accept?

Health plans from Cox HealthPlans list Luke Nayak 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 Luke Nayak affiliated with any hospitals?

According to CMS data, Luke Nayak is affiliated with Cox Medical Centers.

When was this NPI record last updated?

The NPPES record for Luke Nayak was last updated on July 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.