RICHARD B. ARMSTRONG MD
NPI 1912083437
Pediatrics in San Jose, CA
About Richard B. Armstrong Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RICHARD B. ARMSTRONG MD (NPI 1912083437) is an individual pediatrics provider in San Jose, California, licensed in California (G84003) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Richard B. Armstrong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Richard Armstrong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95111
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1629301346 (California), NPI 1588721500 (California)
- 2,460 clinicians in this Medicare group
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Palo Alto, CA 94301
- Reassigned Medicare billing, California enrollment
- 4,479 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 95119 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 Richard Armstrong's NPI number?
The NPI number for Richard Armstrong is 1912083437. It was assigned to this individual provider in the NPPES registry on October 27, 2006.
Where is Richard Armstrong located?
Richard Armstrong practices at 260 International Cir, San Jose, CA 95119. The listed phone number is (408) 972-7000.
What is Richard Armstrong's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Richard Armstrong enrolled in Medicare?
Yes. Richard Armstrong is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Richard Armstrong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Armstrong reassigns Medicare benefits to 3 organizations: County Of Santa Clara (San Jose, CA), Permanente Medical Group Inc (Santa Clara, CA) and Sutter Bay Medical Foundation (Palo Alto, 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 Richard Armstrong'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 Richard Armstrong was last updated on December 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Richard B. Armstrong, MD · NPI 1912083437
Pediatrics physician in San Jose, California. Individual provider, active in the CMS NPPES registry since October 27, 2006.
## Identity
- **NPI:** 1912083437 (Entity type: Individual)
- **Enumerated:** October 27, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** G84003 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 260 INTERNATIONAL CIR, San Jose, CA 95119-1130
- **Phone:** (408) 972-7000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): County Of Santa Clara (NPI 1376538991, San Jose, CA); Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA); Sutter Bay Medical Foundation (NPI 1013950807, Palo Alto, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 22, 2021
- **Other identifiers:** Medicaid 00G840030 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1912083437) · Data from the CMS NPPES public registry.