What is Nikhil Singh's NPI number?

Nikhil Singh's National Provider Identifier (NPI) is 1427494715, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nikhil Singh's specialty?

Nikhil Singh is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).

Where is Nikhil Singh located?

Nikhil Singh's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.

What is Nikhil Singh's phone number?

The practice phone number listed in the NPPES registry for Nikhil Singh is (203) 688-3111.

Is Nikhil Singh's NPI active?

Yes — Nikhil Singh's NPI (1427494715) is active in the NPPES registry as of the last update on 2019-07-11.

IndividualActive

Nikhil Singh, M.D., PH.D.

NPI 1427494715 · Nephrology Physician · New Haven, CT

Nikhil Singh, M.D., PH.D. is a Nephrology Physician provider in New Haven, CT (NPI 1427494715).

Provider details

NPI number: 1427494715
Entity type: Individual
Primary specialty: Nephrology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D., PH.D.
Sex: Male
Sole proprietor: No
License: 62090 (CT)

Specialties & taxonomies

Nephrology PhysicianPrimary207RN0300XLicense 62090 (CT)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense 62090 (CT)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Detailed profile(82/100 index)

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

Registry tenure38% of score
13 yrs in NPPES registry
Profile completeness38% of score
100% 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

20 York St

New Haven, CT 06510-3220

Phone: (203) 688-3111

Street-level locationGet directions

More CT providers

Mailing address

333 Cedar St

New Haven, CT 06510-3206

Additional practice locations (1)

789 Howard Ave
Yale-New Haven Hospital - Adult Primary Care Center
New Haven, CT 06519-1304
Phone: (203) 688-2984
Fax: (203) 688-4092

Enumerated: 2013-05-14
Last updated: 2019-07-11

Frequently asked questions

What is Nikhil Singh's NPI number?: Nikhil Singh's National Provider Identifier (NPI) is 1427494715, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Nikhil Singh's specialty?: Nikhil Singh is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
Where is Nikhil Singh located?: Nikhil Singh's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
What is Nikhil Singh's phone number?: The practice phone number listed in the NPPES registry for Nikhil Singh is (203) 688-3111.
Is Nikhil Singh's NPI active?: Yes — Nikhil Singh's NPI (1427494715) is active in the NPPES registry as of the last update on 2019-07-11.

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