Subena Kaur Mahal Tilley, D.O.
Adult Medicine Physician · Fremont, CA
Subena Kaur Mahal Tilley, D.O. is an adult medicine physician with a practice address in Fremont, California, and NPI 1265578793, issued on Jan 30, 2007. Check the license (California 20A10442, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Subena Kaur Mahal Tilley
- Credential
- D.O.
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License numbers
- 20A10442 CA
DR43802 CO
Self-reported in NPPES; status is on the state search - Practice location
- 39225 State St, Fremont, CA 94538
- Phone
- (510) 794-1990
- Enumerated
- Jan 30, 2007
- Record last updated
- Jul 16, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (510) 794-3641
- Medicare enrollment
- Enrolled (PECOS I20090805000802); accepts Medicare assignment
- Medical or professional school
- Western University Of Health Sciences College Of Dental Med, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult medicine physician records → All 386 in California → Look up another NPI →
Also registered at 39225 State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Navdeep Bhangoo, NPFamily Nurse Practitioner1558068825
- Anmol Mahal, M.D.Gastroenterology Physician1609931526
- Spencer Tilley, MDFamily Medicine Physician1710171038
Verify Subena Kaur Mahal Tilley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average adult medicine physician in 2024
3,619 Medicare Part D claims for 297 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 52 claims were for opioids.
Most prescribed
- Atorvastatin Calcium234 claims
- Losartan Potassium212 claims
- Levothyroxine Sodium201 claims
- Amlodipine Besylate133 claims
- Metoprolol Succinate118 claims
- Lisinopril104 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: $1,259.33
54 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 664 providers of this specialty with any payment received $1,405.95 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 one group practice
- Medical Associates OF Fremont IncFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Subena Kaur Mahal Tilley among 386 adult medicine physician records in California
Subena Kaur Mahal Tilley, D.O. is one of 386 adult medicine physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 49% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2004 · median 2005 among the 187 with a school on file
- Record last updated2008 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Medicine Physician providers in California
There are 386 adult medicine physician records in California.
All 386 in California → Every provider in Fremont → Adult Medicine Physician nationwide →
The 8 adult medicine physician records with the nearest ZIP codes
- Evelina OlsonHercules, CA 945471417615840
- Rajeev Sachdev, M.D.Napa, CA 945581245289289
- Irina Seibert, RNBrentwood, CA 945131508559352
- Grant RichardsonPinole, CA 945641629643515
- Eunice Tuungafasi, FNPBay Point, CA 945651275263469
- Barbara Julier, MDPleasanton, CA 945661083629455
- Himabindu Chinnepalli, MDDublin, CA 945681134858426
- Keri Montgomery, NPSt Helena, CA 945741881925154
Common questions
What is Subena Kaur Mahal Tilley, D.O.'s NPI number?
Subena Kaur Mahal Tilley, D.O.'s National Provider Identifier (NPI) is 1265578793, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Subena Kaur Mahal Tilley, D.O. located?
The NPPES record lists a practice address at 39225 State St, Fremont, CA, 94538. Phone: (510) 794-1990. Providers update this record themselves, so call before visiting.
How can I verify Subena Kaur Mahal Tilley, D.O.'s license?
NPPES lists California license number 20A10442, 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 Subena Kaur Mahal Tilley, D.O. prescribe under Medicare Part D?
In 2024, Subena Kaur Mahal Tilley, D.O. had 3,619 Medicare Part D claims for 297 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.