SAMARJIT SINGH MD INC
NPI 1083065783
Internal Medicine - Pulmonary Disease in Fountain Valley, CA

Active since June 24, 2016
11100 WARNER AVE STE 120, FOUNTAIN VALLEY, CA 92708(714) 672-0049(714) 793-9570 Get Directions Write a Review

NPPES record last updated: June 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 11, 2025, Jun 4, 2025, Mar 17, 2025 and 2 more (5 updates tracked since 2016).

About Samarjit Singh Md Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SAMARJIT SINGH MD INC (NPI 1083065783) is a healthcare organization registered as a pulmonary disease in Fountain Valley, California and active in the NPI registry since June 2016. The organization lists Samarjit Singh, President, as its authorized official.

NPPES Registry Identity

NPI1083065783
Entity TypeOrganization
Primary Taxonomy207RP1001X
Legal Business NameSAMARJIT SINGH MD INC
Location Address11100 WARNER AVE STE 120Fountain Valley, CA 92708-7500
Mailing AddressPo Box 3313Cypress, CA 90630-7313 · (714) 822-7737 · Fax (714) 793-9570
Fax(714) 793-9570
Organization SubpartNo
Authorized OfficialSamarjit SinghPresident · (714) 672-0049
Enumeration DateJune 24, 2016
Last NPPES UpdateJune 11, 20255 updates tracked since enumeration
NPPES CertifiedJune 4, 2025
✔ NPI 1083065783 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X
11100 WARNER AVE STE 120, Fountain Valley, CA 92708

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Samarjit Singh Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Samarjit Singh MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Pulmonary Disease
NPI 1689786139
11100 WARNER AVE STE 120
Fountain Valley, CA 92708
(714) 672-0049
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Samarjit Singh MD Inc's NPI number?

The NPI number for Samarjit Singh MD Inc is 1083065783. It was assigned to this organization in the NPPES registry on June 24, 2016.

Where is Samarjit Singh MD Inc located?

Samarjit Singh MD Inc is located at 11100 Warner Ave Ste 120, Fountain Valley, CA 92708. The listed phone number is (714) 672-0049.

What is Samarjit Singh MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Samarjit Singh MD Inc enrolled in Medicare?

Yes. Samarjit Singh MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Samarjit Singh MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pulmonary Disease) reassigns their Medicare billing to Samarjit Singh MD Inc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Samarjit Singh MD Inc was last updated on June 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.