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TOHICKON INTERNAL MEDICINE
NPI 1639472061
Internal Medicine in Doylestown, PA

Active since December 07, 2010CLIA 39D2022007 · Waiver
1456 FERRY RD., SUITE 400, DOYLESTOWN, PA 18901(267) 880-6350(267) 880-6592 Get Directions Write a Review

NPPES record last updated: January 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tohickon Internal Medicine NPPES

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

TOHICKON INTERNAL MEDICINE (NPI 1639472061) is a healthcare organization registered as an internal medicine in Doylestown, Pennsylvania and active in the NPI registry since December 2010. The organization holds a CLIA Waiver certificate valid through March 23, 2027 and lists Tina Degnan, Operations And Finance Partner, as its authorized official.

NPPES Registry Identity

NPI1639472061
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameTOHICKON INTERNAL MEDICINE
Location Address1456 FERRY RD., SUITE 400Doylestown, PA 18901-2391
Mailing Address1456 Ferry Rd., Suite 400Doylestown, PA 18901-2391 · (267) 880-6350 · Fax (267) 880-6592
Phone(267) 880-6350
Fax(267) 880-6592
Organization SubpartNo
Authorized OfficialTina DegnanOperations And Finance Partner · (215) 888-5656
Enumeration DateDecember 7, 2010
Last NPPES UpdateJanuary 27, 2026
NPPES CertifiedJanuary 27, 2026
✔ NPI 1639472061 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1456 FERRY RD., Doylestown, PA 18901
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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)

Tohickon Internal Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

11

Medicare enrollment records show 11 clinicians reassign Medicare billing to Tohickon Internal Medicine, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 9 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 3

Nurse Practitioner5
Family Practice4
Internal Medicine2

Clinicians, nearest first (11)

Ritu Bhavani Kasarapu, MD
Family Practice
NPI 1538864350
1456 FERRY RD
Doylestown, PA 18901
(267) 880-6350
✔ PECOS✔ Accepts MedicareSame address
Thomas Speranger, CRNP
Nurse Practitioner
NPI 1154840080
1456 FERRY RD UNIT 400
Doylestown, PA 18901
(267) 880-6350
✔ PECOS✔ Accepts MedicareSame address
Melissa Taylor, CRNP
Nurse Practitioner
NPI 1295821692
5039 SWAMP ROAD SUITE 401
Fountainville, PA 18923
(215) 230-8380
✔ PECOS✔ Accepts MedicareSame address
Pamela Barnes, CRNP
Nurse Practitioner
NPI 1629382643
1456 FERRY RD SUITE 400
Doylestown, PA 18901
(267) 362-5157
✔ PECOS0.1 mi
Joanne Markowitz, C.R.N.P.
Nurse Practitioner
NPI 1780968099
1456 FERRY RD UNIT 400
Doylestown, PA 18901
(267) 880-6350
✔ PECOS✔ Accepts Medicare0.1 mi
Susan Sander, M.D.
Internal Medicine
NPI 1538174065
1456 FERRY RD SUITE 400
Doylestown, PA 18901
(267) 362-5157
✔ PECOS0.1 mi
Marina Shtern, MD
Family Practice
NPI 1467489740
1456 FERRY RD UNIT 400
Doylestown, PA 18901
(267) 880-6350
✔ PECOS✔ Accepts Medicare0.1 mi
Mary Ellen Dagusto, CRNP
Nurse Practitioner
NPI 1982765392
595 W STATE ST
Doylestown, PA 18901
(215) 345-2200
✔ PECOS✔ Accepts Medicare2.6 mi
Tina Degnan, M.D.
Family Practice
NPI 1568621126
4897 YORK ROAD BUCKINGHAM FAMILY MEDICINE
Buckingham, PA 18912
(215) 794-7471
✔ PECOS✔ Accepts Medicare5.2 mi
Louis Cimorelli, D.O.
Family Practice
NPI 1255302246
4379 EASTON AVE SUITE 101
Bethlehem, PA 18020
(610) 814-2424
✔ PECOS✔ Accepts Medicare24 mi
Rebecca Masters, MD
Internal Medicine
NPI 1205885332
500 UNIVERSITY DR
Hershey, PA 17033
(800) 233-4082
✔ PECOS81 mi

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 Waiver 39D2022007

Tohickon Internal Medicine LLC · Doylestown, PA
Active · expires Mar 23, 2027
CLIA Number39D2022007
Laboratory TypePhysician Office
Certificate Effective DateMarch 24, 2025
Certificate Expiration DateMarch 23, 2027
Laboratory DirectorDr. Susan A. Fisk Sander MD
Laboratory Phone(267) 880-6350
Laboratory LocationTohickon Internal Medicine LLC1456 Ferry Road Suite 400, Doylestown, PA 18901
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Tohickon Internal Medicine's NPI number?

The NPI number for Tohickon Internal Medicine is 1639472061. It was assigned to this organization in the NPPES registry on December 7, 2010.

Where is Tohickon Internal Medicine located?

Tohickon Internal Medicine is located at 1456 Ferry Rd. Suite 400, Doylestown, PA 18901. The listed phone number is (267) 880-6350.

What is Tohickon Internal Medicine's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Tohickon Internal Medicine enrolled in Medicare?

Yes. Tohickon Internal Medicine is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Tohickon Internal Medicine?

According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 3 Medicare specialties reassign their Medicare billing to Tohickon Internal Medicine. 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 Nurse Practitioner (5), Family Practice (4) and Internal Medicine (2). Of these, 3 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Tohickon Internal Medicine hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 39D2022007) is associated with this NPI, valid through March 23, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Tohickon Internal Medicine was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.