What is Sai Patteri's NPI number?

Sai Patteri's National Provider Identifier (NPI) is 1851236582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sai Patteri's specialty?

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

Where is Sai Patteri located?

Sai Patteri's practice location on file with NPPES is 830 Stewart Dr Ste 283, Sunnyvale, CA 94085-4513.

What is Sai Patteri's phone number?

The practice phone number listed in the NPPES registry for Sai Patteri is (346) 481-7964.

Is Sai Patteri's NPI active?

Yes — Sai Patteri's NPI (1851236582) is active in the NPPES registry as of the last update on 2026-04-20.

IndividualActive

Sai Patteri, MD

NPI 1851236582 · Internal Medicine Physician · Sunnyvale, CA

Sai Patteri, MD is a Internal Medicine Physician provider in Sunnyvale, CA (NPI 1851236582).

Provider details

NPI number: 1851236582
Entity type: Individual
Primary specialty: Internal Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: Yes
License: A000000 (CA)

Specialties & taxonomies

Internal Medicine PhysicianPrimary207R00000XLicense A000000 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

830 Stewart Dr Ste 283

Sunnyvale, CA 94085-4513

Phone: (346) 481-7964

Street-level locationGet directions

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Mailing address