Navjot Grewal
Sleep Medicine (Internal Medicine) Physician · San Ramon, CA
Navjot Grewal is a sleep medicine (internal medicine) physician with a practice address in San Ramon, California, and NPI 1245646231, issued on Jul 10, 2014. Check the license (California 20A17522, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Navjot Grewal
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License numbers
- 20A17522 CA
25MB09888800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 5201 Norris Canyon RD Ste 120, San Ramon, CA 94583
- Phone
- (925) 415-5353
- Enumerated
- Jul 10, 2014
- Record last updated
- Nov 20, 2023
- Fax
- (925) 850-1210
- Medicare enrollment
- Enrolled (PECOS I20160815000406); accepts Medicare assignment
- Medical or professional school
- Edward Via Col Of Osteo Medicine-Virginia Campus, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 129 in California → Look up another NPI →
Also registered at 5201 Norris Canyon RD Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Melyssa Huang, NPFamily Nurse Practitioner1700556636
Verify Navjot Grewal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
547 Medicare Part D claims for 143 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Trazodone Hcl90 claims
- Quetiapine Fumarate85 claims
- Gabapentin56 claims
- Mirtazapine45 claims
- Eszopiclone18 claims
- Clonazepam15 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: $287.65
6 payments; by number, the most common kind was food and beverage; the largest payer was Avadel Cns Pharmaceuticals, LLC. 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.
Bills Medicare through 2 group practices
- Cooper Physician Offices PACamden, NJ
- Haramandeep Singh MD IncSan Ramon, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Navjot Grewal among 129 sleep medicine (internal medicine) physician records in California
Navjot Grewal is one of 129 sleep medicine (internal medicine) physician records with a practice address in California. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 62% of them.
- NPI issued2014 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2013 · median 2006 among the 106 with a school on file
- Record last updated2023 · 35% 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 California 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 California
There are 129 sleep medicine (internal medicine) physician records in California.
All 129 in California → Every provider in San Ramon → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Jatinder Marwaha, M.D.San Ramon, CA 945831417910407
- Connie Singh, MDPleasanton, CA 945881427212653
- Snow Peterson, DO, MSVallejo, CA 945901477809093
- Aditya Bhargava, M.D.Dublin, CA 945681114938032
- Harry Macdannald, M.D..Walnut Creek, CA 945981306895313
- Steven RussoMartinez, CA 945531932659059
- Yema JalalFremont, CA 945381255919775
- Puja Thakkar, D.O.Danville, CA 945261558665562
Common questions
What is Navjot Grewal's NPI number?
Navjot Grewal's National Provider Identifier (NPI) is 1245646231, issued on Jul 10, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Navjot Grewal located?
The NPPES record lists a practice address at 5201 Norris Canyon RD Ste 120, San Ramon, CA, 94583. Phone: (925) 415-5353. Providers update this record themselves, so call before visiting.
How can I verify Navjot Grewal's license?
NPPES lists California license number 20A17522, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Navjot Grewal prescribe under Medicare Part D?
In 2024, Navjot Grewal had 547 Medicare Part D claims for 143 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.