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DR. NARINDAR SINGH M.D.
NPI 1992805683
Internal Medicine - Pulmonary Disease in Santa Ana, CA

Active since September 23, 2006PECOS EnrolledAccepts Medicare Assignment
17.34/100
CMS Quality Rating
999 N TUSTIN AVE STE 1, SANTA ANA, CA 92705(714) 836-6800(714) 836-9966 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 7, 2023, Mar 30, 2020 (2 updates tracked since 2020).

About Dr. Narindar Singh M.d. NPPES

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

DR. NARINDAR SINGH M.D. (NPI 1992805683) is an individual pulmonary disease provider in Santa Ana, California, licensed in California (G31568) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (1972).

NPPES Registry Identity

NPI1992805683
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. NARINDAR SINGHCredential: M.D.
Location Address999 N TUSTIN AVE STE 1Santa Ana, CA 92705-3530
Mailing AddressPo Box 15090Anaheim, CA 92803-5090 · (714) 577-2124 · Fax (714) 577-2125
Phone(714) 836-6800
Fax(714) 836-9966
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 1972
Enumeration DateSeptember 23, 2006
Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration
NPPES CertifiedMarch 30, 2020
✔ NPI 1992805683 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in CA · G31568
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 · License G31568 (CA)
999 N TUSTIN AVE STE 1, Santa Ana, CA 92705
Open in Google Maps ↗

Other Identifiers 2

Other110110926CA · Medicare Rr
Medicaid00G315680CA

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

Dr. Narindar 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 ID1153301114
PECOS Enrollment IDI20050310000754
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 Reassignment

Medicare enrollment records show Narindar Singh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Chest And Critical Care Consultants A Medical Group
Same address
Pulmonary Disease
999 N TUSTIN AVE STE 1
Santa Ana, CA 92705
  • Reassigned Medicare billing, California enrollment
  • 96 clinicians in this Medicare group
NPI 1407943624 (714) 836-6800

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

Areas of Expertise CMS Part B claims 11

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
765 services135 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
225 services100 patients
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.
176 services108 patients
Evaluation of use of breathing device 94664
The evaluation of a breathing device involves checking how effectively you're using it to manage your respiratory condition. It assesses the device's fit, your comfort, and your technique to ensure optimal results.
51 services50 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
49 services48 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
49 services48 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92705 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

17.34/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Promoting Interoperability0
Improvement Activities0
Cost57.8

Referred Medical Equipment & Supplies CMS DME claims 17

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
4 suppliers22 claims22 services$33.13 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
5 suppliers13 claims67 services$11.30 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
6 suppliers26 claims26 services$41.44 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
7 suppliers20 claims20 services$14.72 avg. paid by Medicare
Tubing used with positive airway pressure device A7037
DME-Other DME · category DE001N
2 suppliers11 claims11 services$9.55 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
6 suppliers36 claims201 services$1.60 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

CHEST AND CRITICAL CARE CONSULTANTS A MEDICAL GROUP
Internal Medicine (Pulmonary Disease)
999 N TUSTIN AVE STE 1
SANTA ANA, CA 92705
Orange County (714) 836-6800

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 Narindar Singh's NPI number?

The NPI number for Narindar Singh is 1992805683. It was assigned to this individual provider in the NPPES registry on September 23, 2006.

Where is Narindar Singh located?

Narindar Singh practices at 999 N Tustin Ave Ste 1, Santa Ana, CA 92705. The listed phone number is (714) 836-6800.

What is Narindar Singh's specialty?

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

Is Narindar Singh enrolled in Medicare?

Yes. Narindar 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 organization bills Medicare for Narindar Singh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Narindar Singh reassigns Medicare benefits to Chest And Critical Care Consultants A Medical Group (Santa Ana, CA). The 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 Narindar Singh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Narindar Singh was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.