Akashdeep Singh Grewal, MD
Sleep Medicine (Internal Medicine) Physician · Royal Oak, MI
Akashdeep Singh Grewal, MD is a sleep medicine (internal medicine) physician with a practice address in Royal Oak, Michigan, and NPI 1427745785, issued on Apr 18, 2023. Check the license (Michigan 4351051779, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Akashdeep Singh Grewal
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- 4351051779 MI
Self-reported in NPPES; status is on the state search - Practice location
- 3711 W 13 Mile RD, Royal Oak, MI 48073
- Phone
- (248) 551-6489
- Enumerated
- Apr 18, 2023
- Record last updated
- Jun 29, 2026
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 52 in Michigan → Look up another NPI →
Also registered at 3711 W 13 Mile RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Blake Bendixen, MDStudent in an Organized Health Care Education/Training Program1659909018
- Travis Brege, MDSurgery Physician1972350965
- Matthew Holtz, MDSurgery Physician1336989656
- Kshitij Mahajan, MDCritical Care Medicine (Internal Medicine) Physician1619664984
Verify Akashdeep Singh Grewal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4351051779Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
164 Medicare Part D claims for 52 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium14 claims
- Levothyroxine Sodium11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $128.48
1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Akashdeep Singh Grewal among 52 sleep medicine (internal medicine) physician records in Michigan
Akashdeep Singh Grewal, MD is one of 52 sleep medicine (internal medicine) physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 98% of them.
- NPI issued2023 · 98% of these records are older, 0% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in Michigan
There are 52 sleep medicine (internal medicine) physician records in Michigan.
All 52 in Michigan → Every provider in Royal Oak → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Darian Aboubakare, MDRoyal Oak, MI 480731558941674
- Khizar HamidRoyal Oak, MI 480731063032308
- William Allen, MDSouthfield, MI 480751891016317
- Emad Alatassi, M.D.Roseville, MI 480661528018256
- Michel Alkhalil, MDTroy, MI 480841518062942
- Allen Denys, M.D.Warren, MI 480881386847507
- Gary Richardson, M.D.Ann Arbor, MI 481041700945045
- Tri Nguyen, DOAnn Arbor, MI 481051265938120
Common questions
What is Akashdeep Singh Grewal, MD's NPI number?
Akashdeep Singh Grewal, MD's National Provider Identifier (NPI) is 1427745785, issued on Apr 18, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Akashdeep Singh Grewal, MD located?
The NPPES record lists a practice address at 3711 W 13 Mile RD, Royal Oak, MI, 48073. Phone: (248) 551-6489. Providers update this record themselves, so call before visiting.
How can I verify Akashdeep Singh Grewal, MD's license?
NPPES lists Michigan license number 4351051779, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Akashdeep Singh Grewal, MD prescribe under Medicare Part D?
In 2024, Akashdeep Singh Grewal, MD had 164 Medicare Part D claims for 52 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.