Doctor profile · Federal record
Dr. May Shein, M.D.
Family Medicine Physician (CMS: Family Practice) · Fremont, CA
- NPI 1255565008
- Accepts Medicare
- MIPS 83.9 / 100 · 2023
- 27 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
39500 Liberty St
Fremont, CA 945382211
(510) 770-8040
Credentials & registration
- NPI registered
- May 2009 — 17 yrs on file
- Profile last updated
- May 15, 2014
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A109552
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255565008. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
15
Distinct HCPCS
1
Medicare allowed
$743
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
0134A |
Adm sarscv2 bvl 50mcg/.5ml a | 15 | 15 | $50 |
In context: peer comparison
Among 26 peers in Fremont Family Medicine Physician, average services per provider: 126. This provider delivers 0.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
808
Patients
169
Total drug cost
$739,798
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 125 | 48 | $4,406 |
| Amlodipine Besylate | Generic | 68 | 28 | $1,449 |
| Losartan Potassium | Generic | 68 | 25 | $2,324 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 66 | 0 | $277,429 |
| Metformin Hcl | Generic | 59 | 19 | $1,360 |
| Gabapentin | Generic | 52 | 19 | $1,028 |
| Lisinopril | Generic | 52 | 16 | $1,035 |
| Tivicay (Dolutegravir Sodium) | Brand | 50 | 0 | $115,088 |
| Odefsey (Emtricitab/Rilpiviri/Tenof Ala) | Brand | 48 | 0 | $179,064 |
| Descovy (Emtricitabine/Tenofov Alafenam) | Brand | 44 | 0 | $103,129 |
Hospital affiliations
Frequently asked questions
What is Dr. May Shein's medical specialty?
Dr. May Shein practices Family Medicine Physician in Fremont, CA.
Where does Dr. May Shein practice?
Dr. May Shein practices at 39500 Liberty St, Fremont, CA 945382211. Office phone: 5107708040.
What is Dr. May Shein's NPI?
Dr. May Shein's National Provider Identifier (NPI) is 1255565008, issued by NPPES.
Does Dr. May Shein accept Medicare assignment?
Yes. Dr. May Shein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. May Shein commonly perform?
Top Medicare-reported procedures in 2023: Adm sarscv2 bvl 50mcg/.5ml a (HCPCS 0134A). Source: CMS Medicare Physician & Other Practitioners file.