JOHN HOLLOWAY DO
NPI 1386207801
Radiology - Diagnostic Radiology in San Francisco, CA

Active since April 19, 2019PECOS EnrolledAccepts Medicare Assignment
450 STANYAN ST, SAN FRANCISCO, CA 94117(714) 456-8888 Get Directions Write a Review

NPPES record last updated: June 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 5, 2025, Oct 2, 2024, Aug 2, 2019 and 1 more (4 updates tracked since 2019).

About John Holloway Do NPPES

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

JOHN HOLLOWAY DO (NPI 1386207801) is an individual diagnostic radiology provider in San Francisco, California, licensed in California (20A22658) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1386207801
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameJOHN HOLLOWAYCredential: DO
Location Address450 STANYAN STSan Francisco, CA 94117-1019
Mailing Address450 Stanyan StSan Francisco, CA 94117-1019
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 19, 2019
Last NPPES UpdateJune 5, 20254 updates tracked since enumeration
NPPES CertifiedJune 5, 2025
✔ NPI 1386207801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · 20A22658
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
450 STANYAN ST, San Francisco, CA 94117

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

John Holloway Do 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 ID42549628
PECOS Enrollment IDI20240625002812
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

5

Medicare enrollment records show John Holloway reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Diagnostic Radiology
450 STANYAN ST
San Francisco, CA 94117
  • Reassigned Medicare billing, California enrollment
  • 15 clinicians in this Medicare group
Multi-Specialty
2250 HAYES ST STE 302
San Francisco, CA 94117
  • Reassigned Medicare billing, California enrollment
  • 1,191 clinicians in this Medicare group
Diagnostic Radiology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 202 clinicians in this Medicare group
Diagnostic Radiology
2020 PROFESSIONAL CENTER DR
Orange Park, FL 32073
  • Reassigned Medicare billing, California enrollment
  • 21 clinicians in this Medicare group
Specialist
2111 GLENWOOD DR, SUITE 101
Winter Park, FL 32792
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group

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 2

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
43 services42 patients
X-ray of pelvis, 1-2 views 72170
An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94117 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

Student in an Organized Health Care Education/Training Program
450 STANYAN ST
SAN FRANCISCO, CA 94117
Physical Medicine & Rehabilitation
450 STANYAN ST
SAN FRANCISCO, CA 94117
Occupational Therapist
450 STANYAN ST
SAN FRANCISCO, CA 94117
Occupational Therapist
450 STANYAN ST
SAN FRANCISCO, CA 94117
Student in an Organized Health Care Education/Training Program
450 STANYAN ST
SAN FRANCISCO, CA 94117
Internal Medicine
450 STANYAN ST
SAN FRANCISCO, CA 94117
Speech-Language Pathologist
450 STANYAN ST
SAN FRANCISCO, CA 94117
Student in an Organized Health Care Education/Training Program
450 STANYAN ST
SAN FRANCISCO, CA 94117

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 John Holloway's NPI number?

The NPI number for John Holloway is 1386207801. It was assigned to this individual provider in the NPPES registry on April 19, 2019.

Where is John Holloway located?

John Holloway practices at 450 Stanyan St, San Francisco, CA 94117. The listed phone number is (714) 456-8888.

What is John Holloway's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is John Holloway enrolled in Medicare?

Yes. John Holloway 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 organizations bill Medicare for John Holloway's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Holloway reassigns Medicare benefits to 5 organizations: Image Guided Therapeutics, Inc. (San Francisco, CA), Dignity Health Medical Foundation (San Francisco, CA), Uc Regents (Orange, CA), Elite Imaging LLC (Orange Park, FL) and Neuro Imaging Institute Of Winter Park, Ltd (Winter Park, FL). 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 John Holloway'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 John Holloway was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.