MARC R. FILSTEIN (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1275606444

Anatomic Pathology & Clinical Pathology Physician

MARC R. FILSTEIN (M.D.) is a healthcare provider. based in Reading, Pennsylvania. specializing in Anatomic Pathology & Clinical Pathology Physician. They hold the professional credentials M.D.. They hold a License No. MD018866E (PA). The NPI Number for MARC R. FILSTEIN (M.D.) is 1275606444

Main info

Male

51 Years Of Experience

Accepts Medicare Assignment

Name

MARC R. FILSTEIN (M.D.)

NPI

1275606444

Phone

(484) 628-0799

Address

PO BOX 13579

Enumeration Date

16 November 2006

Last Update Date

28 March 2018

Doctor Profile

Medical School Name

ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI

Secondary Phone

6103744401

Graduation Year

1975 (51 years ago)

PAC ID

5395890917

Group Practice PAC ID

4688575434

Professional Enrollment ID

I20090903000521

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience52

Completeness75

Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for MARC R. FILSTEIN (M.D.)

PO BOX 13579
READING, PA 196123579
Phone: (484) 628-0799
Type: Mailing
Sixth Avenue and Spruce Street
West Reading, PA 196126052
Phone: (610) 988-8615
Type: Location
Reading Hospital, 420, South 5th Avenue, West Reading, Berks County, Pennsylvania, 19611, United States
WEST READING, PA 196112143
Phone: (484) 628-5227
Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 19612)

Loading plans...

Provider's Procedures

MARC R. FILSTEIN (M.D.) performs procedures in Anatomic Pathology & Clinical Pathology Physician. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
PATHOLOGY	PA	88307	Pathology examination of tissue using a microscope, moderately high complexity	106	82
PATHOLOGY	PA	88312	Special stained specimen slides to identify organisms including interpretation and report	159	124

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 4688575434View full group profile

Name	Specialty	State
KACI ELIZABETH CHRISTIAN (M.D.)	G A S T R O E N T E R O L O G Y	PA
DR. FRED B ROSENBERG (M.D.)	G A S T R O E N T E R O L O G Y	IL
MARK H JOHNSTON (MD)	G A S T R O E N T E R O L O G Y	PA
TAREQ YASIN (MD)	G A S T R O E N T E R O L O G Y	PA
DR. SCOTT ANDREW FINK (MD)	G A S T R O E N T E R O L O G Y	PA
GARY A NEWMAN (M.D.)	-	PA
MS. MARIBETH HATALSKI (PA-C)	Physician Assistant	MD
DR. PAUL DAVID ALLEGRETTI (D.O.)	G A S T R O E N T E R O L O G Y	PA
WILLIAM BLAKE HUNTINGTON	G A S T R O E N T E R O L O G Y	PA
ALYSSA MARIE MARTYAK	Physician Assistant	PA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Can I cross-check MARC R. FILSTEIN (M.D.) using NPI 1275606444?

NPI 1275606444 belongs to MARC R. FILSTEIN (M.D.); compare other details if you need extra assurance.

Would MARC R. FILSTEIN (M.D.) appear as active to a payer?

You can treat MARC R. FILSTEIN (M.D.) as active for directory purposes; confirm clinical privileges separately.

What clinical focus is listed for MARC R. FILSTEIN (M.D.)?

At a glance, MARC R. FILSTEIN (M.D.) is tied to Anatomic Pathology & Clinical Pathology Physician. Clinical services aligned with this taxonomy classification.

Is MARC R. FILSTEIN (M.D.) located near Reading?

MARC R. FILSTEIN (M.D.) currently maps to Reading, Pennsylvania in this extract.

What does 3 location(s) imply?

3 practice locations appear in the available data.

Similar Providers

MARGARET L. FREEMAN (M.D.)

Anatomic Pathology & Clinical Pathology Physician

Commerce Drive, Wyomissing, Berks County, Pennsylvania, 19610, United States

NPI: 1114924909

WILLIAM KIMMEL (M.D.)

Anatomic Pathology & Clinical Pathology Physician

PO BOX 14623

NPI: 1699773267

JOHN F RUSSO (M.D.)

Anatomic Pathology & Clinical Pathology Physician

Lehigh Valley Hospital–Schuylkill E. Norwegian Street, 700, East Norwegian Street, Bunker Hill, Pottsville, Schuylkill County, Pennsylvania, 17901, United States

NPI: 1780677096