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DR. ONUR CIL MD, PHD
NPI 1851741540
Pediatrics - Pediatric Nephrology in San Francisco, CA

Active since June 14, 2016PECOS Enrolled
1825 4TH ST FL 6, SAN FRANCISCO, CA 94143(415) 476-2423 Get Directions Write a Review

NPPES record last updated: June 14, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Onur Cil Md, Phd NPPES

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

DR. ONUR CIL MD, PHD (NPI 1851741540) is an individual pediatric nephrology provider in San Francisco, California, licensed in California (2019017) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851741540
Entity TypeIndividualMale
Primary Taxonomy2080P0210X
Provider Legal NameDR. ONUR CILCredential: MD, PHD
Location Address1825 4TH ST FL 6San Francisco, CA 94143-2350
Mailing Address1825 4th St Fl 6San Francisco, CA 94143-2350 · (415) 476-2423
Phone(415) 476-2423
Sole ProprietorNo
Enumeration DateJune 14, 2016
✔ NPI 1851741540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0210X
License✔ Licensed in CA · 2019017
Definition
A pediatrician who deals with the normal and abnormal development and maturation of the kidney and urinary tract, the mechanisms by which the kidney can be damaged, the evaluation and treatment of renal diseases, fluid and electrolyte abnormalities, hypertension and renal replacement therapy.
1825 4TH ST FL 6, San Francisco, CA 94143
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Onur Cil Md, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Onur Cil reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucsf Pediatrics Associates
3.8 mi
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
NPI 1376614016 (415) 353-2000
University Of California San Francisco
3.8 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
3.8 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

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

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.

MISS FEDNA MORENCY P.A.-C, ATC
Physician Assistant (Surgical)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 885-3800
DR. RANDEEP KAUR BRAR M.D.
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-2757
IRENE JOAN CHANG M.D.
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-2757
STEPHANIE CHAM M.D.
Obstetrics & Gynecology (Gynecologic Oncology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-9600
MONICA PENON PORTMANN MD
Pediatrics
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-2757
HANNAH CHESSER M.D.
Pediatrics (Pediatric Endocrinology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-7337
REVA FRANKEL MD
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-2757
MISS CARMEN KAI MAN TSE R.D.
Dietitian, Registered (Nutrition, Pediatric)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2813

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 Onur Cil's NPI number?

The NPI number for Onur Cil is 1851741540. It was assigned to this individual provider in the NPPES registry on June 14, 2016.

Where is Onur Cil located?

Onur Cil practices at 1825 4th St Fl 6, San Francisco, CA 94143. The listed phone number is (415) 476-2423.

What is Onur Cil's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.

Is Onur Cil enrolled in Medicare?

Yes. Onur Cil is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Onur Cil's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Onur Cil reassigns Medicare benefits to 3 organizations: Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). 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 Onur Cil'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 Onur Cil was last updated on June 14, 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.