CANCER THERAPY MEDICAL GROUP INC
NPI 1952585754
Radiology - Radiation Oncology in Alamo, CA

Active since December 28, 2007
1445 LIVORNA RD, ALAMO, CA 94507(925) 952-8700 Get Directions Write a Review

NPPES record last updated: July 16, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 16, 2024, Jul 19, 2023, Apr 4, 2023 and 1 more (4 updates tracked since 2023).

About Cancer Therapy Medical Group Inc NPPES

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

CANCER THERAPY MEDICAL GROUP INC (NPI 1952585754) is a healthcare organization registered as a radiation oncology in Alamo, California and active in the NPI registry since December 2007. The organization lists Jonathan Humphrey, Medical Director / Owner, as its authorized official.

NPPES Registry Identity

NPI1952585754
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NameCANCER THERAPY MEDICAL GROUP INC
Location Address1445 LIVORNA RDAlamo, CA 94507-1103
Mailing AddressP.o. Box 756Danville, CA 94526 · (925) 952-8700 · Fax (925) 952-8704
Organization SubpartNo
Authorized OfficialJonathan HumphreyMedical Director / Owner · (925) 952-8700
Enumeration DateDecember 28, 2007
Last NPPES UpdateJuly 16, 20244 updates tracked since enumeration
NPPES CertifiedJuly 16, 2024
✔ NPI 1952585754 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
1445 LIVORNA RD, Alamo, CA 94507

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cancer Therapy Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

15

Medicare enrollment records show 15 clinicians reassign Medicare billing to Cancer Therapy Medical Group Inc, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians by Medicare Specialty 5

Radiation Oncology10
Nurse Practitioner2
General Surgery1
Physical Therapist in Private Practice1
Surgical Oncology1

Clinicians, nearest first (15)

Radiation Oncology
NPI 1326380486
751 S BASCOM AVE DEPARTMENT OF MEDICINE
San Jose, CA 95128
(408) 885-6300
✔ PECOS38 mi
Surgical Oncology
NPI 1164445896
801 S HAM LN STE E
Lodi, CA 95242
(209) 333-1441
✔ PECOS✔ Accepts Medicare45 mi
Radiation Oncology
NPI 1730143066
301 PROFESSIONAL CENTER DR
Rohnert Park, CA 94928
(209) 543-0684
✔ PECOS✔ Accepts Medicare50 mi
Radiation Oncology
NPI 1962820621
301 PROFESSIONAL CENTER DR
Rohnert Park, CA 94928
(707) 584-2200
✔ PECOS✔ Accepts Medicare50 mi
Radiation Oncology
NPI 1861510760
301 PROFESSIONAL CENTER DR
Rohnert Park, CA 94928
(707) 584-2200
✔ PECOS✔ Accepts Medicare50 mi
Radiation Oncology
NPI 1275737850
301 PROFESSIONAL CENTER DR
Rohnert Park, CA 94928
(877) 866-0914
✔ PECOS✔ Accepts Medicare50 mi
Radiation Oncology
NPI 1235148495
8100 BRUCEVILLE RD
Sacramento, CA 95823
(877) 866-0914
✔ PECOS✔ Accepts Medicare53 mi
Radiation Oncology
NPI 1811132152
8100 BRUCEVILLE RD
Sacramento, CA 95823
(916) 683-9616
✔ PECOS✔ Accepts Medicare53 mi
Nurse Practitioner
NPI 1700203130
7887 N CEDAR AVE
Fresno, CA 93720
(559) 320-4300
✔ PECOS✔ Accepts Medicare144 mi
Nurse Practitioner
NPI 1487173118
7887 N CEDAR AVE
Fresno, CA 93720
(559) 320-4300
✔ PECOS✔ Accepts Medicare144 mi
Radiation Oncology
NPI 1619946753
7887 N CEDAR AVE
Fresno, CA 93720
(559) 437-1000
✔ PECOS✔ Accepts Medicare144 mi
Physical Therapist in Private Practice
NPI 1629647037
7887 N CEDAR AVE
Fresno, CA 93720
(559) 320-4300
✔ Accepts Medicare144 mi
General Surgery
NPI 1629227251
25425 ORCHARD VILLAGE RD STE 150
Valencia, CA 91355
(661) 467-2371
✔ PECOS✔ Accepts Medicare309 mi
Radiation Oncology
NPI 1629430376
9618 HUEBNER RD STE 120
San Antonio, TX 78240
(650) 940-7280
✔ PECOS✔ Accepts Medicare1,462 mi
Radiation Oncology
NPI 1114918851
9618 HUEBNER RD STE 120
San Antonio, TX 78240
(650) 940-7280
✔ PECOS✔ Accepts Medicare1,462 mi

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

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 Cancer Therapy Medical Group Inc's NPI number?

The NPI number for Cancer Therapy Medical Group Inc is 1952585754. It was assigned to this organization in the NPPES registry on December 28, 2007.

Where is Cancer Therapy Medical Group Inc located?

Cancer Therapy Medical Group Inc is located at 1445 Livorna Rd, Alamo, CA 94507. The listed phone number is (925) 952-8700.

What is Cancer Therapy Medical Group Inc's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Cancer Therapy Medical Group Inc enrolled in Medicare?

Yes. Cancer Therapy Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cancer Therapy Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 15 clinicians in 5 Medicare specialties reassign their Medicare billing to Cancer Therapy Medical Group Inc. A 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 the clinician's services. The largest specialties are Radiation Oncology (10), Nurse Practitioner (2) and General Surgery (1). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Cancer Therapy Medical Group Inc was last updated on July 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.