Doctor profile · Federal record

Dr. Ryan Himmelsbach, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · South San Francisco, CA

  • NPI 1205369022
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1200 El Camino Real
South San Francisco, CA 940803208
(650) 742-2511
Mailing address
701 N Broadway
Sleepy Hollow, NY 105911020

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
May 13, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #193925 · New York #304816

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205369022. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
426
Distinct HCPCS
4
Medicare allowed
$77,609
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 226 214 $206
99284 Emergency department visit with moderate level of medical decision making 143 138 $141
99291 Critical care, first 30-74 minutes 36 36 $248
99283 Emergency department visit with low level of medical decision making 21 19 $85

In context: peer comparison

Among 7 peers in South San Francisco Emergency Medicine Physician, average services per provider: 73. This provider delivers 5.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Himmelsbach's medical specialty?
Dr. Ryan Himmelsbach practices Emergency Medicine Physician in South San Francisco, CA.
Where does Dr. Ryan Himmelsbach practice?
Dr. Ryan Himmelsbach practices at 1200 El Camino Real, South San Francisco, CA 940803208. Office phone: 6507422511.
What is Dr. Ryan Himmelsbach's NPI?
Dr. Ryan Himmelsbach's National Provider Identifier (NPI) is 1205369022, issued by NPPES.
Does Dr. Ryan Himmelsbach accept Medicare assignment?
Yes. Dr. Ryan Himmelsbach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Himmelsbach commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.