DR. CLARENCE PAUL SINKHORN MD
NPI 1972676195
Obstetrics & Gynecology in Colton, CA

Q: What is Clarence Sinkhorn's NPI number?

The NPI number for Clarence Sinkhorn is 1972676195. It was assigned to this individual provider in the NPPES registry on November 16, 2006. The provider is also known as C. Paul Sinkhorn MD.

Q: What is Clarence Sinkhorn's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Q: When was this NPI record last updated?

The NPPES record for Clarence Sinkhorn was last updated on November 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 November 16, 2006PECOS Enrolled

400 N PEPPER AVE, COLTON, CA 92324(909) 580-6320 Get Directions Write a Review

NPPES record last updated: November 18, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Clarence Paul Sinkhorn Md NPPES

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

DR. CLARENCE PAUL SINKHORN MD (NPI 1972676195) is an individual obstetrics & gynecology provider in Colton, California, licensed in California (G60133) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972676195

Entity TypeIndividualMale

Primary Taxonomy207V00000X

Provider Legal NameDR. CLARENCE PAUL SINKHORNCredential: MD

Location Address400 N PEPPER AVEColton, CA 92324-1801

Mailing Address2642 Marley DrRiverside, CA 92506-4565

Phone(909) 580-6320

Sole ProprietorNo

Enumeration DateNovember 16, 2006

Last NPPES UpdateNovember 18, 2016

✔ NPI 1972676195 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · G60133

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

400 N PEPPER AVE, Colton, CA 92324

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Other Names 1

Former Name (1)C. Paul Sinkhorn Md

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Clarence Paul Sinkhorn Md 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

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

Valley Obstetrics & Gynecology Medical Group, Inc.

0.3 mi

Obstetrics & Gynecology

400 N PEPPER AVE
Colton, CA 92324

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

NPI 1144304817 (909) 580-6333

Magella Medical Group, Inc.

51 mi

Maternal & Fetal Medicine

2888 LONG BEACH BLVD STE 400
Long Beach, CA 90806

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

NPI 1376640086 (562) 997-8510

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92324 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

Most-billed visit code 99213

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.

CATHERINE J CALHOUN

Licensed Psychiatric Technician