Doctor profile · Federal record
Dr. Subena Tilley, D.O.
Adult Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Fremont, CA
- NPI 1265578793
- Accepts Medicare
- 22 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
39225 State St
Fremont, CA 945381437
(510) 794-1990
fax (510) 794-3641
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- July 16, 2008
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207QA0505X — NUCC code
- State licenses (2)
- California #20A10442 · Colorado #DR43802
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265578793. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,170
Distinct HCPCS
10
Medicare allowed
$152,950
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 577 | 210 | $151 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 153 | 153 | $153 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 96 | 74 | $107 | |
90662 |
Influenza vaccine split virus, preservative free | 72 | 72 | $72 | |
G0008 |
Administration of influenza virus vaccine | 72 | 72 | $29 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 34 | 34 | $282 | |
G0181 |
Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | 33 | 12 | $121 | |
G0009 |
Administration of pneumococcal vaccine | 32 | 32 | $36 | |
81003 |
Automated urinalysis test | 29 | 20 | $2 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $194 |
In context: peer comparison
Among 1 peers in Fremont Adult Medicine Physician, average services per provider: 90. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$1,259
Transactions
54
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 18 | $323.01 | |
| Lilly USA, LLC | 9 | $279.61 | |
| Astellas Pharma US INC | 8 | $231.58 | |
| AstraZeneca Pharmaceuticals Lp | 7 | $143.01 | |
| Abbvie INC. | 3 | $85.91 | |
| Pfizer INC. | 3 | $57.42 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $53.26 | |
| Esperion Therapeutics, INC. | 1 | $22.81 | |
| Phathom Pharmaceuticals, INC. | 1 | $21.29 | |
| Exact Sciences Corporation | 1 | $21.03 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $20.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,497
Patients
426
Total drug cost
$17,357
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 193 | 60 | $2,159 |
| Levothyroxine Sodium | Generic | 189 | 46 | $3,029 |
| Losartan Potassium | Generic | 179 | 52 | $2,017 |
| Metoprolol Succinate | Generic | 112 | 30 | $1,870 |
| Amlodipine Besylate | Generic | 99 | 32 | $872 |
| Metformin Hcl | Generic | 99 | 27 | $1,026 |
| Omeprazole | Generic | 99 | 26 | $1,309 |
| Lisinopril | Generic | 98 | 27 | $708 |
| Famotidine | Generic | 90 | 27 | $1,270 |
| Simvastatin | Generic | 73 | 22 | $759 |
Frequently asked questions
What is Dr. Subena Tilley's medical specialty?
Dr. Subena Tilley practices Adult Medicine Physician in Fremont, CA.
Where does Dr. Subena Tilley practice?
Dr. Subena Tilley practices at 39225 State St, Fremont, CA 945381437. Office phone: 5107941990.
What is Dr. Subena Tilley's NPI?
Dr. Subena Tilley's National Provider Identifier (NPI) is 1265578793, issued by NPPES.
Does Dr. Subena Tilley accept Medicare assignment?
Yes. Dr. Subena Tilley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Subena Tilley commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.