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DR. RANDOLPH YOUNG-SUN FOK M.D.
NPI 1811091853
Obstetrics & Gynecology - Maternal & Fetal Medicine in Bakersfield, CA

Active since September 11, 2006PECOS EnrolledAccepts Medicare Assignment
85.73/100
CMS Quality Rating
2330 TRUXTUN AVE STE A, BAKERSFIELD, CA 93301(661) 631-2330(661) 322-7613 Get Directions Write a Review

NPPES record last updated: November 11, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Randolph Young-sun Fok M.d. NPPES

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

DR. RANDOLPH YOUNG-SUN FOK M.D. (NPI 1811091853) is an individual maternal & fetal medicine provider in Bakersfield, California, licensed in California (C41813) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (1981).

NPPES Registry Identity

NPI1811091853
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameDR. RANDOLPH YOUNG-SUN FOKCredential: M.D.
Location Address2330 TRUXTUN AVE STE ABakersfield, CA 93301-3500
Mailing Address2330 Truxtun Ave Ste ABakersfield, CA 93301-3500 · (661) 322-7611 · Fax (661) 322-7613
Phone(661) 631-2330
Fax(661) 322-7613
Sole ProprietorYes
Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 1981
Enumeration DateSeptember 11, 2006
Last NPPES UpdateNovember 11, 2010
✔ NPI 1811091853 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in CA · C41813
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
2330 TRUXTUN AVE STE A, Bakersfield, CA 93301
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Other Identifiers 1

Medicare UPING37075

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. Randolph Young-sun Fok 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 ID6709017049
PECOS Enrollment IDI20140328002078
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 Randolph Fok reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kern County Hospital Authority
0.2 mi
General Acute Care Hospital
2222 19TH ST
Bakersfield, CA 93301
  • Reassigned Medicare billing, California enrollment
  • 532 clinicians in this Medicare group
NPI 1710612965 (661) 326-2000

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 93301 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
$135.05 typical visit price
range $59.26 – $178.09
Typical copayment $33.76 (range $14.81 – $44.52)
Most-billed visit code 99204
Established Patient
$73.67 typical visit price
range $19.34 – $145.64
Typical copayment $18.41 (range $4.83 – $36.41)
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.

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.

85.73/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality65.76
Promoting Interoperability100
Improvement Activities40
Cost59.39

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 Randolph Fok's NPI number?

The NPI number for Randolph Fok is 1811091853. It was assigned to this individual provider in the NPPES registry on September 11, 2006.

Where is Randolph Fok located?

Randolph Fok practices at 2330 Truxtun Ave Ste A, Bakersfield, CA 93301. The listed phone number is (661) 631-2330.

What is Randolph Fok's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Randolph Fok enrolled in Medicare?

Yes. Randolph Fok 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 Randolph Fok's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Randolph Fok reassigns Medicare benefits to Kern County Hospital Authority (Bakersfield, 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 Randolph Fok'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 Randolph Fok was last updated on November 11, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.