ALLIANCE CANCER SPECIALISTS P.C.
NPI 1487923686
Internal Medicine - Hematology & Oncology in Sellersville, PA

Active since December 19, 2011CLIA 39D0194044 · Certificate of Compliance
915 LAWN AVE, SUITE 202, SELLERSVILLE, PA 18960(215) 453-3300 Get Directions Write a Review

NPPES record last updated: March 22, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 28, 2022, Dec 29, 2021, Dec 23, 2021 (3 updates tracked since 2021).

About Alliance Cancer Specialists P.c. NPPES

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

ALLIANCE CANCER SPECIALISTS P.C. (NPI 1487923686) is a healthcare organization registered as a hematology & oncology in Sellersville, Pennsylvania and active in the NPI registry since December 2011. The organization holds a CLIA Certificate of Compliance certificate valid through November 21, 2026 and lists Allen E Terzian, President, as its authorized official.

NPPES Registry Identity

NPI1487923686
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameALLIANCE CANCER SPECIALISTS P.C.
Location Address915 LAWN AVE, SUITE 202Sellersville, PA 18960-1551
Mailing Address915 Lawn Ave, Suite 202Sellersville, PA 18960-1551
Organization SubpartNo
Authorized OfficialAllen E TerzianPresident · (215) 645-1740
Enumeration DateDecember 19, 2011
Last NPPES UpdateMarch 22, 20223 updates tracked since enumeration
NPPES CertifiedMarch 22, 2022
✔ NPI 1487923686 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedRadiology · Radiation OncologyTaxonomy 2085R0001X
915 LAWN AVE, Sellersville, PA 18960

Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP
Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alliance Cancer Specialists P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

47

Medicare enrollment records show 47 clinicians reassign Medicare billing to Alliance Cancer Specialists P.C., which bills Medicare for the services they deliver. Of these, 6 practice at this address and 10 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Hematology/Oncology25
Nurse Practitioner14
Medical Oncology5
Gynecological Oncology1
Hospitalist1
Internal Medicine1

Nearest to this location (20)

See all 47
Hematology/Oncology
NPI 1861474991
915 LAWN AVE SUITE 202
Sellersville, PA 18960
(215) 453-3300
✔ PECOS✔ Accepts MedicareSame address
Hematology/Oncology
NPI 1891728622
915 LAWN AVE SUITE 202
Sellersville, PA 18960
(215) 453-3300
✔ PECOS✔ Accepts MedicareSame address
Medical Oncology
NPI 1528067352
915 LAWN AVE SUITE 202
Sellersville, PA 18960
(215) 453-3300
✔ PECOS✔ Accepts MedicareSame address
Hematology/Oncology
NPI 1528063195
915 LAWN AVE
Sellersville, PA 18960
(215) 453-3300
✔ PECOS✔ Accepts MedicareSame address
Hematology/Oncology
NPI 1417939539
915 LAWN AVE SUITE 202
Sellersville, PA 18960
(215) 453-3300
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1124204987
915 LAWN AVE
Sellersville, PA 18960
(215) 453-3300
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1003200452
915 LAWN AVE SUIE 202
Sellersville, PA 18960
(215) 453-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Hematology/Oncology
NPI 1013954643
915 LAWN AVE SUITE 202
Sellersville, PA 18960
(215) 453-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Hematology/Oncology
NPI 1033184338
915 LAWN AVENUE SUITE 202
Sellersville, PA 18960
(215) 453-3300
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1316198385
700 LAWN AVE
Sellersville, PA 18960
(215) 453-4139
✔ PECOS✔ Accepts Medicare0.5 mi
Nurse Practitioner
NPI 1336496850
2901 JOLLY RD
Plymouth Meeting, PA 19462
(610) 272-8221
✔ PECOS✔ Accepts Medicare17 mi
Hematology/Oncology
NPI 1770593899
201 GIBRALTAR RD STE 120
Horsham, PA 19044
(215) 706-2034
✔ PECOS✔ Accepts Medicare17 mi
Hematology/Oncology
NPI 1528078698
201 GIBRALTAR RD STE 120
Horsham, PA 19044
(215) 706-2034
✔ PECOS17 mi
Hematology/Oncology
NPI 1578572962
201 GIBRALTAR RD STE 120
Horsham, PA 19044
(215) 706-2034
✔ PECOS✔ Accepts Medicare17 mi
Hematology/Oncology
NPI 1982728283
201 GIBRALTAR RD STE 120
Horsham, PA 19044
(215) 706-2034
✔ PECOS✔ Accepts Medicare17 mi
Nurse Practitioner
NPI 1356809891
3465 NAZARETH RD STE 102
Easton, PA 18045
(610) 330-2630
✔ PECOS✔ Accepts Medicare24 mi
Nurse Practitioner
NPI 1508398819
333 COTTMAN AVE
Philadelphia, PA 19111
(215) 728-2500
✔ PECOS24 mi
Nurse Practitioner
NPI 1104650027
1203 LANGHORNE NEWTOWN RD STE 135
Langhorne, PA 19047
(215) 750-5050
✔ PECOS✔ Accepts Medicare24 mi
Nurse Practitioner
NPI 1740991629
7600 CENTRAL AVE
Philadelphia, PA 19111
(215) 969-9103
✔ PECOS✔ Accepts Medicare24 mi
Medical Oncology
NPI 1124178819
1203 LANGHORNE NEWTOWN RD SUITE 135
Langhorne, PA 19047
(215) 750-5050
✔ PECOS✔ Accepts Medicare24 mi
See all 47 clinicians

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 39D0194044

Alliance Cancer Specialists · Sellersville, PA
Active · expires Nov 21, 2026
CLIA Number39D0194044
Laboratory TypePhysician Office
Certificate Effective DateNovember 22, 2024
Certificate Expiration DateNovember 21, 2026
Laboratory DirectorDr. James Spears
Laboratory Phone(215) 453-3300
Laboratory LocationAlliance Cancer Specialists915 Lawn Avenue Suite 202, Sellersville, PA 18960
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 Alliance Cancer Specialists P.C.'s NPI number?

The NPI number for Alliance Cancer Specialists P.C. is 1487923686. It was assigned to this organization in the NPPES registry on December 19, 2011.

Where is Alliance Cancer Specialists P.C. located?

Alliance Cancer Specialists P.C. is located at 915 Lawn Ave Suite 202, Sellersville, PA 18960. The listed phone number is (215) 453-3300.

What is Alliance Cancer Specialists P.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Alliance Cancer Specialists P.C. enrolled in Medicare?

Yes. Alliance Cancer Specialists P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Alliance Cancer Specialists P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 47 clinicians in 6 Medicare specialties reassign their Medicare billing to Alliance Cancer Specialists P.C.. 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 Hematology/Oncology (25), Nurse Practitioner (14) and Medical Oncology (5). Of these, 6 practice at this address and 10 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Alliance Cancer Specialists P.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 39D0194044) is associated with this NPI, valid through November 21, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Alliance Cancer Specialists P.C. accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Alliance Cancer Specialists P.C. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alliance Cancer Specialists P.C. was last updated on March 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.