DR. ALEXANDER FINKELSTEIN DO
NPI 1902083330
Pathology - Anatomic Pathology & Clinical Pathology in Bridgeport, CT

Active since January 29, 2008PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
267 GRANT ST, BRIDGEPORT, CT 06610(203) 384-3156 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Dec 5, 2017 (3 updates tracked since 2017).

About Dr. Alexander Finkelstein Do NPPES

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

DR. ALEXANDER FINKELSTEIN DO (NPI 1902083330) is an individual anatomic pathology & clinical pathology provider in Bridgeport, Connecticut, licensed in Connecticut (56809) and active in the NPI registry since January 2008. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and maintains a secondary practice location in Yonkers.

NPPES Registry Identity

NPI1902083330
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. ALEXANDER FINKELSTEINCredential: DO
Location Address267 GRANT STBridgeport, CT 06610-2805
Mailing Address535 E Crescent Ave, C/o Histopathology Services, LlcRamsey, NJ 07446-2922 · (201) 661-7280 · Fax (201) 661-7297
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateJanuary 29, 2008
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1902083330 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses✔ Licensed in CT · 56809✔ Licensed in NY · 258308
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
267 GRANT ST, Bridgeport, CT 06610

Secondary Practice Location 1

Location 1967 N Broadway, St. John's Riverside HospitalYonkers, NY 10701-1301 · Phone (914) 964-4411 · Fax (201) 661-7297

Other Identifiers 1

Other56809CT · Medical License

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

Dr. Alexander Finkelstein 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 ID3678720893
PECOS Enrollment IDI20120823000202
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

2

Medicare enrollment records show Alexander Finkelstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Practice Midwife
100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519
  • Reassigned Medicare billing, Connecticut enrollment
  • 3,728 clinicians in this Medicare group
Emergency Medicine
41 E POST RD
White Plains, NY 10601
  • Reassigned Medicare billing, New York enrollment
  • 479 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 4

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.

Immunologic analysis technique on serum 86320
An immunologic analysis technique on serum is a lab test that checks your blood for certain substances. These substances, mostly proteins, can tell doctors a lot about your health, including whether you have certain diseases or conditions.
601 services526 patients
Immunologic analysis technique on serum (immunofixation) 86334
Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.
422 services353 patients
Protein measurement, body fluid 84166
A protein measurement of body fluid is a test that gauges the amount of proteins in your fluids. This analysis helps in detecting various health conditions. It's done via a simple sample collection process, usually from blood or urine, in a safe and painless manner.
40 services39 patients
Immunologic analysis technique on body fluid, other fluids with concentration 86335
Immunologic analysis is a diagnostic method that assesses your body fluids to detect health issues. It involves concentrating these fluids to enhance detection of specific proteins or cells. It helps identify immune system responses, aiding in accurate diagnosis and treatment.
35 services34 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Montefiore Medical Center

Acute Care Hospitals · Bronx, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330059
Location111 East 210th StreetBronx, NY 10467 · Bronx County
Emergency services Birthing friendly

White Plains Hospital Center

Acute Care Hospitals · White Plains, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330304
Location41 East Post R0adWhite Plains, NY 10601 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06610 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

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.

Physician Assistant (Surgical)
267 GRANT ST
BRIDGEPORT, CT 06610
Nurse Practitioner (Psychiatric/Mental Health)
267 GRANT ST
BRIDGEPORT, CT 06610
Anesthesiology (Pain Medicine)
267 GRANT ST
BRIDGEPORT, CT 06610
Physical Therapist
267 GRANT ST
BRIDGEPORT, CT 06610
Physical Therapy Assistant
267 GRANT ST
BRIDGEPORT, CT 06610
Nurse Practitioner (Pediatrics)
267 GRANT ST
BRIDGEPORT, CT 06610
Physical Therapist
267 GRANT ST
BRIDGEPORT, CT 06610
Physical Therapist
267 GRANT ST
BRIDGEPORT, CT 06610

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 Alexander Finkelstein's NPI number?

The NPI number for Alexander Finkelstein is 1902083330. It was assigned to this individual provider in the NPPES registry on January 29, 2008.

Where is Alexander Finkelstein located?

Alexander Finkelstein practices at 267 Grant St, Bridgeport, CT 06610. The listed phone number is (203) 384-3156.

What is Alexander Finkelstein's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Alexander Finkelstein enrolled in Medicare?

Yes. Alexander Finkelstein 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 Alexander Finkelstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Finkelstein reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and East Post Road Medical Services PC (White Plains, NY). 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 Alexander Finkelstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Alexander Finkelstein affiliated with any hospitals?

According to CMS data, Alexander Finkelstein is affiliated with Montefiore Medical Center and White Plains Hospital Center.

When was this NPI record last updated?

The NPPES record for Alexander Finkelstein was last updated on July 21, 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.