RUTH WANG MD, MED
NPI 1033791926
Internal Medicine in Alpine, CA
About Ruth Wang Md, Med NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RUTH WANG MD, MED (NPI 1033791926) is an individual internal medicine provider in Alpine, California, licensed in California (A201772) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Nashville, and is a graduate of University Of California, San Diego School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Ruth Wang Md, Med 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 Ruth Wang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alpine, CA 91901
- Reassigned Medicare billing, California enrollment
- 577 clinicians in this Medicare group
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 50 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
Porterville, CA 93257
- Reassigned Medicare billing, California enrollment
- 159 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 91901 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 11
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 Ruth Wang's NPI number?
The NPI number for Ruth Wang is 1033791926. It was assigned to this individual provider in the NPPES registry on April 21, 2021.
Where is Ruth Wang located?
Ruth Wang practices at 1620 Alpine Blvd, Alpine, CA 91901. The listed phone number is (619) 445-6200.
What is Ruth Wang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ruth Wang enrolled in Medicare?
Yes. Ruth Wang 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 Ruth Wang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ruth Wang reassigns Medicare benefits to 4 organizations: Centro De Salud De La Comunidad De San Ysidro, Inc. (Alpine, CA), East Campus Hospitalist Medical Group, Inc. (San Diego, CA), Scripps Mercy Physicians Cardiology Medical Corporation (San Diego, CA) and 24 On Physicians Of California, PC (Porterville, 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 Ruth Wang'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 Ruth Wang was last updated on July 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Ruth Wang, MD, MED · NPI 1033791926
Internal Medicine physician in Alpine, California. Individual provider, active in the CMS NPPES registry since April 21, 2021.
## Identity
- **NPI:** 1033791926 (Entity type: Individual)
- **Enumerated:** April 21, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A201772 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1620 ALPINE BLVD, Alpine, CA 91901-1102
- **Phone:** (619) 445-6200
## 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): Centro De Salud De La Comunidad De San Ysidro, Inc. (NPI 1770124315, Alpine, CA); East Campus Hospitalist Medical Group, Inc. (NPI 1184490385, San Diego, CA); Scripps Mercy Physicians Cardiology Medical Corporation (NPI 1477644474, San Diego, CA); 24 On Physicians Of California, PC (NPI 1730570565, Porterville, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** July 17, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1033791926) · Data from the CMS NPPES public registry.