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DR. AJIT SINGH SAWHNEY M.D.
NPI 1114014438
Internal Medicine - Nephrology in Fountain Valley, CA

Active since October 06, 2006PECOS EnrolledAccepts Medicare Assignment
11100 WARNER AVE, SUITE 212, FOUNTAIN VALLEY, CA 92708(714) 641-9696(714) 641-1211 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 16, 2026, Dec 21, 2020, Sep 14, 2016 (3 updates tracked since 2016).

About Dr. Ajit Singh Sawhney M.d. NPPES

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

DR. AJIT SINGH SAWHNEY M.D. (NPI 1114014438) is an individual nephrology provider in Fountain Valley, California, licensed in California (A25449) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1968).

NPPES Registry Identity

NPI1114014438
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. AJIT SINGH SAWHNEYCredential: M.D.
Location Address11100 WARNER AVE, SUITE 212Fountain Valley, CA 92708-7506
Mailing Address9373 Hazard Way Ste 200San Diego, CA 92123-1226 · (858) 810-8000 · Fax (858) 268-1911
Phone(714) 641-9696
Fax(714) 641-1211
Sole ProprietorYes
Medical School CMSOtherGraduated 1968
Enumeration DateOctober 6, 2006
Last NPPES UpdateJanuary 16, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2026
✔ NPI 1114014438 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · A25449
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
11100 WARNER AVE, Fountain Valley, CA 92708
Open in Google Maps ↗

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. Ajit Singh Sawhney 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 ID8123070505
PECOS Enrollment IDI20101028000695
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 Ajit Sawhney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Balboa Nephrology Medical Group, Inc.
77 mi
Nephrology
9373 HAZARD WAY STE 200
San Diego, CA 92123
  • Reassigned Medicare billing, California enrollment
  • 85 clinicians in this Medicare group
NPI 1316997505 (858) 810-8000

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 05D2120988

Ajit S Sawhney, MD · Fountain Valley, CA
Expired · Oct 26, 2026
CLIA Number05D2120988
Laboratory TypePhysician Office
Certificate Effective DateOctober 27, 2024
Certificate Expiration DateOctober 26, 2026
Laboratory DirectorAjit S. Sawhney
Laboratory Phone(714) 641-9696
Laboratory LocationAjit S Sawhney, MD11100 Warner Ave Ste 218, Fountain Valley, CA 92708
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 4

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.
177 services94 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
58 services12 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.
29 services25 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.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 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.

Referred Medical Equipment & Supplies CMS DME claims 5

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

Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers24 claims2,490 services$0.32 avg. paid by Medicare
Prednisone, immediate release or delayed release, oral, 1 mg J7512
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier12 claims1,800 services$0.01 avg. paid by Medicare
Everolimus, oral, 0.25 mg J7527
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier13 claims4,680 services$3.89 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers21 claims21 services$18.09 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
3 suppliers37 claims39 services$12.32 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 20

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

DR. SAJEET SINGH SAWHNEY M.D.
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 218
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696
DR. ROBERT ALLAN DEVEREAUX MD
Family Medicine
11100 WARNER AVE, STE 100
FOUNTAIN VALLEY, CA 92708
Orange County (714) 957-9389
DR. VIJAYALAKSHMI WIJEYAKUMAR M.D.
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 212
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696
PLATINUM MEDICAL CARE
Internal Medicine (Nephrology)
11100 WARNER AVE, SUITE 218
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-9696
FOUNTAIN VALLEY REGIONAL HOSPITAL AND MEDICAL CENTER
Pharmacist (Pharmacotherapy)
11100 WARNER AVE, SUITE 318
FOUNTAIN VALLEY, CA 92708
Orange County (714) 966-7217
SELECT HEALTHCARE SYSTEM, A MEDICAL CORPORATION
Health Maintenance Organization
11100 WARNER AVE, SUITE 152
FOUNTAIN VALLEY, CA 92708
Orange County (714) 343-7575
MRS. TOQUYNH DINH KIEU M.D.
Pediatrics
11100 WARNER AVE, SUITE # 116
FOUNTAIN VALLEY, CA 92708
Orange County (714) 641-0850
DR. DAVINDER SINGH M.D.
Internal Medicine (Gastroenterology)
11100 WARNER AVE, SUITE 268
FOUNTAIN VALLEY, CA 92708
Orange County (714) 540-9911

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 Ajit Sawhney's NPI number?

The NPI number for Ajit Sawhney is 1114014438. It was assigned to this individual provider in the NPPES registry on October 6, 2006.

Where is Ajit Sawhney located?

Ajit Sawhney practices at 11100 Warner Ave Suite 212, Fountain Valley, CA 92708. The listed phone number is (714) 641-9696.

What is Ajit Sawhney's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Ajit Sawhney enrolled in Medicare?

Yes. Ajit Sawhney 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 Ajit Sawhney's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ajit Sawhney reassigns Medicare benefits to Balboa Nephrology Medical Group, Inc. (San Diego, 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 Ajit Sawhney'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 Ajit Sawhney was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.