Doctor profile · Federal record
Dr. Zachary Gray
Internal Medicine Physician (CMS: Internal Medicine) · Stanford, CA
- NPI 1679078620
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 8 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
fax (650) 498-6205
Credentials & registration
- NPI registered
- March 2018 — 8 yrs on file
- Profile last updated
- April 18, 2024
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A163938
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679078620. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
549
Distinct HCPCS
5
Medicare allowed
$74,687
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 323 | 106 | $135 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 85 | 82 | $196 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 63 | 23 | $90 | |
99239 |
Hospital discharge day management, more than 30 minutes | 43 | 41 | $131 | |
99238 |
Hospital discharge day management, 30 minutes or less | 35 | 35 | $93 |
In context: peer comparison
Among 95 peers in Stanford Internal Medicine Physician, average services per provider: 85. This provider delivers 6.5× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Zachary Gray's medical specialty?
Dr. Zachary Gray practices Internal Medicine Physician in Stanford, CA.
Where does Dr. Zachary Gray practice?
Dr. Zachary Gray practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Zachary Gray's NPI?
Dr. Zachary Gray's National Provider Identifier (NPI) is 1679078620, issued by NPPES.
Does Dr. Zachary Gray accept Medicare assignment?
Yes. Dr. Zachary Gray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Gray commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.