Doctor profile · Federal record
Dr. Michael Pfeffer, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Clinical Informatics Physician · Stanford, CA
- NPI 1952434607
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
757 Westwood Plz, Suite 7501
Los Angeles, CA 900957417
(310) 267-9626
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- April 23, 2024
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A93075
- Medicaid
- CA #00A930750
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952434607. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
123
Distinct HCPCS
4
Medicare allowed
$15,425
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 47 | 23 | $91 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 36 | 15 | $137 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 23 | 22 | $200 | |
99238 |
Hospital discharge day management, 30 minutes or less | 17 | 17 | $95 |
In context: peer comparison
Among 95 peers in Stanford Internal Medicine Physician, average services per provider: 85. This provider delivers 1.4× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Michael Pfeffer's medical specialty?
Dr. Michael Pfeffer practices Internal Medicine Physician in Stanford, CA.
Where does Dr. Michael Pfeffer practice?
Dr. Michael Pfeffer practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Michael Pfeffer's NPI?
Dr. Michael Pfeffer's National Provider Identifier (NPI) is 1952434607, issued by NPPES.
Does Dr. Michael Pfeffer accept Medicare assignment?
Yes. Dr. Michael Pfeffer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Pfeffer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.