Doctor profile · Federal record
Dr. Zachary Zumsteg, M.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Student in an Organized Health Care Education/Training Program · Sylmar, CA
- NPI 1962729004
- Accepts Medicare
- MIPS 78.8 / 100 · 2023
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
14445 Olive View Dr.
Sylmar, CA 91342
(818) 364-1555 - Mailing address
-
1417 Veteran Ave., Apt 109
Los Angeles, CA 900244856
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- March 28, 2016
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State license (1)
- California #A138272
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1962729004. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,949
Distinct HCPCS
10
Medicare allowed
$182,193
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 941 | 47 | $49 | |
77427 |
Radiation treatment management, 5 treatment sessions | 190 | 42 | $209 | |
77300 |
Calculation of radiation therapy dose | 184 | 48 | $36 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 84 | 63 | $71 | |
77334 |
Design and construction of complex radiation treatment device | 71 | 48 | $66 | |
31575 |
Diagnostic exam of voice box using a flexible endoscope | 61 | 55 | $75 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 61 | 47 | $246 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 57 | 49 | $105 | |
77290 |
Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | 55 | 48 | $90 | |
77280 |
Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 54 | 43 | $42 |
In context: peer comparison
Among 1 peers in Sylmar Radiation Oncology Physician, average services per provider: 129. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$142
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Coherus Biosciences INC. | 1 | $142.01 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Zachary Zumsteg's medical specialty?
Dr. Zachary Zumsteg practices Radiation Oncology Physician in Sylmar, CA.
Where does Dr. Zachary Zumsteg practice?
Dr. Zachary Zumsteg practices at 14445 Olive View Dr., Sylmar, CA 91342. Office phone: 8183641555.
What is Dr. Zachary Zumsteg's NPI?
Dr. Zachary Zumsteg's National Provider Identifier (NPI) is 1962729004, issued by NPPES.
Does Dr. Zachary Zumsteg accept Medicare assignment?
Yes. Dr. Zachary Zumsteg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Zumsteg 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.