Doctor profile · Federal record
Dr. Michael Zhang, M.D., PH.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Student in an Organized Health Care Education/Training Program · Vallejo, CA
- NPI 1861856718
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
100 Hospital Dr Ste 100
Vallejo, CA 945892577
(707) 551-3400 - Additional location
-
2333 Buchanan St, Level B
San Francisco, CA 941151925
(415) 600-3600 - Mailing address
-
575 Oxford St
San Francisco, CA 941341612
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- October 26, 2022
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- California #A155764
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861856718. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,216
Distinct HCPCS
10
Medicare allowed
$208,793
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 950 | 44 | $48 | |
77427 |
Radiation treatment management, 5 treatment sessions | 272 | 67 | $204 | |
77300 |
Calculation of radiation therapy dose | 256 | 70 | $35 | |
77334 |
Design and construction of complex radiation treatment device | 202 | 69 | $65 | |
77263 |
Complex radiation therapy planning | 73 | 70 | $179 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 72 | 72 | $188 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 58 | 53 | $33 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 50 | 39 | $102 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 44 | 42 | $241 | |
77301 |
High precision radiation therapy planning | 43 | 42 | $450 |
In context: peer comparison
Among 1 peers in Vallejo Radiation Oncology Physician, average services per provider: 130. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$467
Transactions
8
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alphatec Spine, INC | 3 | $201.90 | |
| W. L. Gore & Associates, INC. | 4 | $173.49 | |
| Siemens Medical Solutions USA, INC. | 1 | $91.20 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
126
Patients
65
Total drug cost
$4,543
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 37 | 13 | $1,878 |
| Gabapentin | Generic | 33 | 14 | $710 |
| Famotidine | Generic | 24 | 14 | $763 |
| Mometasone Furoate | Generic | 16 | 12 | $412 |
| Ondansetron Odt (Ondansetron) | Brand | 16 | 12 | $780 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Zhang's medical specialty?
Dr. Michael Zhang practices Radiation Oncology Physician in Vallejo, CA.
Where does Dr. Michael Zhang practice?
Dr. Michael Zhang practices at 100 Hospital Dr Ste 100, Vallejo, CA 945892577. Office phone: 7075513400.
What is Dr. Michael Zhang's NPI?
Dr. Michael Zhang's National Provider Identifier (NPI) is 1861856718, issued by NPPES.
Does Dr. Michael Zhang accept Medicare assignment?
Yes. Dr. Michael Zhang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Zhang commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.