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GAGAN DEEP SINGH M.D.
NPI 1093074429
Emergency Medicine in Santa Clara, CA

Active since May 04, 2012PECOS EnrolledAccepts Medicare AssignmentCLIA 05D2173103 · Waiver
72.73/100
CMS Quality Rating
2803 EL CAMINO REAL, SANTA CLARA, CA 95051(408) 540-3166 Get Directions Write a Review

NPPES record last updated: April 17, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 17, 2026, Oct 15, 2019 (2 updates tracked since 2019).

About Gagan Deep Singh M.d. NPPES

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

GAGAN DEEP SINGH M.D. (NPI 1093074429) is an individual emergency medicine provider in Santa Clara, California, licensed in California (A142133) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through October 3, 2027, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1093074429
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameGAGAN DEEP SINGHCredential: M.D.
Location Address2803 EL CAMINO REALSanta Clara, CA 95051-2901
Mailing Address2803 El Camino RealSanta Clara, CA 95051-2901 · (408) 540-3166 · Fax (408) 409-2553
Phone(408) 540-3166
Sole ProprietorYes
Medical School CMSOtherGraduated 2003
Enumeration DateMay 4, 2012
Last NPPES UpdateApril 17, 20262 updates tracked since enumeration
NPPES CertifiedApril 17, 2026
✔ NPI 1093074429 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A142133
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
2803 EL CAMINO REAL, Santa Clara, CA 95051
Open in Google Maps ↗

Secondary Practice Locations 2

Location 188 Tully Rd Ste 114San Jose, CA 95111-1923 · Phone (408) 703-2906
Location 23090 M St Ste 9Merced, CA 95348-3212 · Phone (209) 580-4136 · Fax (209) 580-4132

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gagan Deep Singh M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577850163
PECOS Enrollment IDI20160926001222
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

8

Medicare enrollment records show Gagan Deep Singh reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Santa Clara
2.6 mi
Federally Qualified Health Center (FQHC)
660 S FAIR OAKS AVE, VHC SUNNYVALE
Sunnyvale, CA 94086
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1588721500 (California), NPI 1629301346 (California)
  • 2,460 clinicians in this Medicare group
NPI 1528053139 (408) 885-5000
Cep America - California
5.8 mi
Emergency Medicine
2500 GRANT ROAD
Mountain View, CA 94040
  • Reassigned Medicare billing, California enrollment
  • 2,323 clinicians in this Medicare group
NPI 1477508984 (650) 940-7000
Big River Emergency Physicians Inc
48 mi
Emergency Medicine
911 SUNSET DR
Hollister, CA 95023
  • Reassigned Medicare billing, California enrollment
  • 38 clinicians in this Medicare group
NPI 1033501168 (330) 493-4443
Gagan Deep Singh PC
82 mi
Adolescent Medicine
3090 M ST STE 9
Merced, CA 95348
  • Reassigned Medicare billing, California enrollment
NPI 1184278798 (209) 580-4136
San Joaquin Emergency Medical Associates
83 mi
Emergency Medicine
333 MERCY AVE
Merced, CA 95340
  • Reassigned Medicare billing, California enrollment
  • 141 clinicians in this Medicare group
NPI 1588960413 (844) 474-4019
Woodland Emergency Physicians Medical Group Inc
91 mi
Emergency Medicine
1325 COTTONWOOD ST
Woodland, CA 95695
  • Reassigned Medicare billing, California enrollment
  • 45 clinicians in this Medicare group
NPI 1881868164 (855) 687-0618
Golden State Emergency Physicians Inc
310 mi
Emergency Medicine
1401 S GRAND AVE
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 169 clinicians in this Medicare group
NPI 1770886558 (855) 687-0618
Victory Emergency Physicians Medical Group Inc
311 mi
Emergency Medicine
1720 E CESAR E CHAVEZ AVE
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 100 clinicians in this Medicare group
NPI 1932402716 (855) 687-0618

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2173103

Gagan Deep Singh · Merced, CA
Active · expires Oct 3, 2027
CLIA Number05D2173103
Laboratory TypePhysician Office
Certificate Effective DateOctober 4, 2025
Certificate Expiration DateOctober 3, 2027
Laboratory DirectorGagan Deep Singh
Laboratory Phone(718) 964-3919
Laboratory LocationGagan Deep Singh650 W Olive Ave, Suite B, Merced, CA 95348
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 18

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
456 services311 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
348 services347 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
250 services193 patients
Detection test by immunoassay with direct visual observation for influenza virus 87804
This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.
201 services94 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
168 services137 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
164 services154 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95051 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

72.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality48.97
Promoting Interoperability86
Improvement Activities40

Reported Quality Measures

Appropriate Treatment for Upper Respiratory Infection (URI)
88%880 patients4/55-star benchmark: 100%
Breast Cancer Screening
0%1,087 patients1/55-star benchmark: 93%
Cervical Cancer Screening
0%3,625 patients1/55-star benchmark: 98%
Childhood Immunization Status
0%283 patients
Chlamydia Screening for Women
1%756 patients
Closing the Referral Loop: Receipt of Specialist Report
1%79 patients1/55-star benchmark: 87%
Colorectal Cancer Screening
0%2,355 patients1/55-star benchmark: 88%
Controlling High Blood Pressure
24%58 patients2/55-star benchmark: 91%
Diabetes: Eye Exam
1%73 patients1/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
88%73 patients1/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
72%11,751 patients3/55-star benchmark: 100%
e-Prescribing
99%836 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
0%996 patients1/55-star benchmark: 100%
HIV Screening
2%7,588 patients1/55-star benchmark: 60%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
20%7,636 patients1/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
0%8,915 patients1/55-star benchmark: 97%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
21%10,768 patients2/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients screened: 2% · 2,139 patients
2%2,139 patients
Provide Patients Electronic Access to Their Health Information
23%4,072 patients1/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
68%74 patients3/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 0% · 1,072 patients
Patients totalRate: 1% · 1,072 patients
1%1,072 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

YONGLI QIU
Nurse Practitioner (Family)
2803 EL CAMINO REAL
SANTA CLARA, CA 95051
Santa Clara County (408) 549-7285

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 Gagan Deep Singh's NPI number?

The NPI number for Gagan Deep Singh is 1093074429. It was assigned to this individual provider in the NPPES registry on May 4, 2012.

Where is Gagan Deep Singh located?

Gagan Deep Singh practices at 2803 El Camino Real, Santa Clara, CA 95051. The listed phone number is (408) 540-3166.

What is Gagan Deep Singh's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Gagan Deep Singh enrolled in Medicare?

Yes. Gagan Deep Singh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Gagan Deep Singh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gagan Deep Singh reassigns Medicare benefits to 8 organizations: County Of Santa Clara (Sunnyvale, CA), Cep America - California (Mountain View, CA), Big River Emergency Physicians Inc (Hollister, CA), Gagan Deep Singh PC (Merced, CA), San Joaquin Emergency Medical Associates (Merced, CA) and 3 more organizations, listed in the Medicare section above. Each 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 Gagan Deep Singh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Does Gagan Deep Singh hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2173103) is associated with this NPI, valid through October 3, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Gagan Deep Singh was last updated on April 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.