STEVEN MICHAEL HERRON MD, PHD
NPI 1609404847
Anesthesiology in Stanford, CA
About Steven Michael Herron Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN MICHAEL HERRON MD, PHD (NPI 1609404847) is an individual anesthesiology provider in Stanford, California, licensed in California (A194372) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2020).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Steven Michael Herron Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Steven Herron reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Tucson, AZ 85747
- Reassigned Medicare billing, Arizona enrollment
- 204 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Steven Herron's NPI number?
The NPI number for Steven Herron is 1609404847. It was assigned to this individual provider in the NPPES registry on April 1, 2020.
Where is Steven Herron located?
Steven Herron practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Steven Herron's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Steven Herron enrolled in Medicare?
Yes. Steven Herron is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Steven Herron's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Herron reassigns Medicare benefits to 3 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Hospitalist Medicine Physicians Of Arizona - Nogales (Tucson, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Herron's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Steven Herron was last updated on July 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Steven Michael Herron, MD, PHD · NPI 1609404847
Anesthesiology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since April 1, 2020.
## Identity
- **NPI:** 1609404847 (Entity type: Individual)
- **Enumerated:** April 1, 2020
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A194372 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Hospitalist Medicine Physicians Of Arizona - Nogales (NPI 1487251799, Tucson, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1609404847) · Data from the CMS NPPES public registry.