WILLY SINGH D.O.
NPI 1265587075
Internal Medicine - Nephrology in Whittier, CA

Q: What is Willy Singh's NPI number?

The NPI number for Willy Singh is 1265587075. It was assigned to this individual provider in the NPPES registry on January 24, 2007.

Q: What is Willy Singh's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Willy Singh was last updated on April 26, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since January 24, 2007PECOS Enrolled

12401 WASHINGTON BLVD, WHITTIER, CA 90602(562) 698-0811 Get Directions Write a Review

NPPES record last updated: April 26, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Willy Singh D.o. NPPES

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

WILLY SINGH D.O. (NPI 1265587075) is an individual nephrology provider in Whittier, California, licensed in California (20A11778) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1265587075

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameWILLY SINGHCredential: D.O.

Location Address12401 WASHINGTON BLVDWhittier, CA 90602-1006

Mailing Address12401 Washington BlvdWhittier, CA 90602-1006 · (562) 698-0811

Phone(562) 698-0811

Sole ProprietorNo

Medical School CMSOtherGraduated 2005

Enumeration DateJanuary 24, 2007

Last NPPES UpdateApril 26, 2016

✔ NPI 1265587075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

Licenses✔ Licensed in CA · 20A11778✔ Licensed in AZ · 5399

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.

12401 WASHINGTON BLVD, Whittier, CA 90602

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Other Identifiers 1

Medicaid502403AZ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Willy Singh D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8426174921

PECOS Enrollment IDI20121121000550

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

Medicare enrollment records show Willy Singh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pih Health Physicians

0.1 mi

Gastroenterology

12291 WASHINGTON BLVD, SUITES 102 -201 -205
Whittier, CA 90606

Reassigned Medicare billing, California enrollment
840 clinicians in this Medicare group

NPI 1376793695 (562) 698-0306

Kidney Specialists Medical Corporation

4.2 mi

Nephrology

101 E BEVERLY BLVD, SUITE #304
Montebello, CA 90640

Reassigned Medicare billing, California enrollment
6 clinicians in this Medicare group

NPI 1184735235 (323) 722-7418

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 8

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

711 services136 patients

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.

131 services38 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

116 services96 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.

83 services40 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

54 services20 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.

39 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90602 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.

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 RITA KAR INC

Anesthesiology