MARK A SINGLETON MD
NPI 1821016338
Anesthesiology - Pediatric Anesthesiology in San Jose, CA
About Mark A Singleton Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A SINGLETON MD (NPI 1821016338) is an individual pediatric anesthesiology provider in San Jose, California, licensed in California (G46766) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1980).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Mark A Singleton Md 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
4Medicare enrollment records show Mark Singleton reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
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
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95124 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Mark Singleton's NPI number?
The NPI number for Mark Singleton is 1821016338. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Mark Singleton located?
Mark Singleton practices at 2425 Samaritan Dr, San Jose, CA 95124. The listed phone number is (408) 558-2100.
What is Mark Singleton's specialty?
The primary specialty registered for this NPI is Anesthesiology, specializing in Pediatric Anesthesiology, with taxonomy code 207LP3000X.
Is Mark Singleton enrolled in Medicare?
Yes. Mark Singleton 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 Mark Singleton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Singleton reassigns Medicare benefits to 4 organizations: Permanente Medical Group Inc (Santa Clara, CA), Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA) and University Anesthesia Medical Group (San Francisco, CA). 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 Mark Singleton'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 Mark Singleton was last updated on April 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.
# Mark A Singleton, MD · NPI 1821016338
Pediatric Anesthesiology physician in San Jose, California. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1821016338 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Anesthesiology - Pediatric Anesthesiology · taxonomy 207LP3000X
- **State license:** G46766 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2425 SAMARITAN DR, San Jose, CA 95124-3908
- **Phone:** (408) 558-2100
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA); Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 1980
## Record status
- **NPPES last updated:** April 10, 2024
- **Other identifiers:** Medicaid 00G467660 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1821016338) · Data from the CMS NPPES public registry.