What is Ruth Wang's NPI number?

Ruth Wang's National Provider Identifier (NPI) is 1033791926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ruth Wang's specialty?

Ruth Wang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Ruth Wang located?

Ruth Wang's practice location on file with NPPES is 1620 Alpine Blvd, Alpine, CA 91901-1102.

What is Ruth Wang's phone number?

The practice phone number listed in the NPPES registry for Ruth Wang is (619) 445-6200.

Does Ruth Wang accept Medicare?

Ruth Wang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Ruth Wang's NPI active?

Yes — Ruth Wang's NPI (1033791926) is active in the NPPES registry as of the last update on 2025-06-28.

IndividualActiveAccepts Medicare

Ruth Wang, MD, MED

NPI 1033791926 · Internal Medicine Physician · Alpine, CA

Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Ruth Wang, MD, MED is a Internal Medicine Physician provider in Alpine, CA (NPI 1033791926).

Provider details

NPI number: 1033791926
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD, MED
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense A201772 (CA)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Established profile(60/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
5 yrs in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
2 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1620 Alpine Blvd

Alpine, CA 91901-1102

Phone: (619) 445-6200

Street-level locationGet directions

More CA providers

Mailing address

1620 Alpine Blvd

Alpine, CA 91901-1102

Additional practice locations (1)

719 Thompson Ln Ste 20400
Nashville, TN 37204-4600
Phone: (615) 936-2187
Fax: (615) 936-6666

Enumerated: 2021-04-21
Last updated: 2025-06-28
Certified: 2025-06-28

Frequently asked questions

What is Ruth Wang's NPI number?: Ruth Wang's National Provider Identifier (NPI) is 1033791926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ruth Wang's specialty?: Ruth Wang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Ruth Wang located?: Ruth Wang's practice location on file with NPPES is 1620 Alpine Blvd, Alpine, CA 91901-1102.
What is Ruth Wang's phone number?: The practice phone number listed in the NPPES registry for Ruth Wang is (619) 445-6200.
Does Ruth Wang accept Medicare?: Ruth Wang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Ruth Wang's NPI active?: Yes — Ruth Wang's NPI (1033791926) is active in the NPPES registry as of the last update on 2025-06-28.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.