Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AKASHDEEP SINGH GREWAL MD
NPI 1427745785
Internal Medicine - Sleep Medicine in Royal Oak, MI

Q: What is Akashdeep Grewal's NPI number?

The NPI number for Akashdeep Grewal is 1427745785. It was assigned to this individual provider in the NPPES registry on April 18, 2023.

Q: What is Akashdeep Grewal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Q: When was this NPI record last updated?

The NPPES record for Akashdeep Grewal was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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 April 18, 2023PECOS Enrolled

3711 W 13 MILE RD, ROYAL OAK, MI 48073(248) 551-6489 Get Directions Write a Review

NPPES record last updated: June 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Akashdeep Singh Grewal Md NPPES

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

AKASHDEEP SINGH GREWAL MD (NPI 1427745785) is an individual sleep medicine provider in Royal Oak, Michigan, licensed in Michigan (4351051779) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427745785

Entity TypeIndividualMale

Primary Taxonomy207RS0012X

Provider Legal NameAKASHDEEP SINGH GREWALCredential: MD

Location Address3711 W 13 MILE RDRoyal Oak, MI 48073-6767

Mailing Address3711 W 13 Mile RdRoyal Oak, MI 48073-6767 · (248) 551-6489

Phone(248) 551-6489

Sole ProprietorNo

Enumeration DateApril 18, 2023

Last NPPES UpdateJune 29, 2026

NPPES CertifiedJune 29, 2026

✔ NPI 1427745785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RS0012X

License✔ Licensed in MI · 4351051779

Definition

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3711 W 13 MILE RD, Royal Oak, MI 48073

Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Akashdeep Singh Grewal 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48073 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 4

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

MATTHEW HOLTZ MD

Surgery

3711 W 13 MILE RD
ROYAL OAK, MI 48073

Oakland County (248) 898-5000

DR. KSHITIJ MAHAJAN MD

Internal Medicine (Critical Care Medicine)

3711 W 13 MILE RD
ROYAL OAK, MI 48073

Oakland County (248) 551-6489

BLAKE THOR BENDIXEN MD

Student in an Organized Health Care Education/Training Program

3711 W 13 MILE RD
ROYAL OAK, MI 48073

Oakland County (248) 898-2673

TRAVIS BREGE MD

Surgery

3711 W 13 MILE RD
ROYAL OAK, MI 48073

Oakland County (248) 898-5000

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 Akashdeep Grewal's NPI number?

The NPI number for Akashdeep Grewal is 1427745785. It was assigned to this individual provider in the NPPES registry on April 18, 2023.

Where is Akashdeep Grewal located?

Akashdeep Grewal practices at 3711 W 13 Mile Rd, Royal Oak, MI 48073. The listed phone number is (248) 551-6489.

What is Akashdeep Grewal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Akashdeep Grewal enrolled in Medicare?

Yes. Akashdeep Grewal is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Akashdeep Grewal was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days 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.