Sudha Karupaiah MD PC
NPI 1861048209 · Sleep Medicine (Internal Medicine) Physician · San Jose, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sudha Karupaiah MD PC is a Sleep Medicine (Internal Medicine) Physician organization in San Jose, CA (NPI 1861048209).
Provider details
- NPI number
- 1861048209
- Entity type
- Organization
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sudha Karupaiah, Owner(408) 279-1400
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Mailing address
Registry dates
- Enumerated
- 2019-08-12
- Last updated
- 2021-08-20
- Certified
- 2021-08-20
Frequently asked questions
- What is Sudha Karupaiah MD PC's NPI number?
- Sudha Karupaiah MD PC's National Provider Identifier (NPI) is 1861048209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sudha Karupaiah MD PC?
- Sudha Karupaiah MD PC is classified in the NPPES registry as Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Sudha Karupaiah MD PC located?
- Sudha Karupaiah MD PC's practice location on file with NPPES is 560 E Saint John St, San Jose, CA 95112-3413.
- What is Sudha Karupaiah MD PC's phone number?
- The practice phone number listed in the NPPES registry for Sudha Karupaiah MD PC is (408) 279-1400.
- Does Sudha Karupaiah MD PC accept Medicare?
- Sudha Karupaiah MD PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Sudha Karupaiah MD PC?
- The authorized official listed on Sudha Karupaiah MD PC's NPPES record is Sudha Karupaiah, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sudha Karupaiah MD PC's NPI active?
- Yes — Sudha Karupaiah MD PC's NPI (1861048209) is active in the NPPES registry as of the last update on 2021-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.