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DR. ALEXANDROS DEMETRIOS POLYDORIDES M.D., PH.D.
NPI 1063617751
Pathology - Anatomic Pathology in New York, NY

Active since June 20, 2007PECOS EnrolledAccepts Medicare Assignment
1 GUSTAVE L LEVY PL, MOUNT SINAI MEDICAL CENTER, NEW YORK, NY 10029(212) 241-9140(212) 828-4188 Get Directions Write a Review

NPPES record last updated: March 26, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Alexandros Demetrios Polydorides M.d., Ph.d. NPPES

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

DR. ALEXANDROS DEMETRIOS POLYDORIDES M.D., PH.D. (NPI 1063617751) is an individual anatomic pathology provider in New York, New York, licensed in New York (248507) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1063617751
Entity TypeIndividualMale
Primary Taxonomy207ZP0101X
Provider Legal NameDR. ALEXANDROS DEMETRIOS POLYDORIDESCredential: M.D., PH.D.
Location Address1 GUSTAVE L LEVY PL, MOUNT SINAI MEDICAL CENTERNew York, NY 10029-6500
Mailing Address1 Gustave L Levy Pl, Box 1194New York, NY 10029-6500 · (212) 241-9140 · Fax (212) 828-4188
Phone(212) 241-9140
Fax(212) 828-4188
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJune 20, 2007
Last NPPES UpdateMarch 26, 2009
✔ NPI 1063617751 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0101X
Licenses✔ Licensed in NY · 248507✔ Licensed in MI · 4301089297
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.
1 GUSTAVE L LEVY PL, New York, NY 10029
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Other Identifiers 2

Medicare PINA400008238NY
Medicare PINA400008237NY

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. Alexandros Demetrios Polydorides M.d., Ph.d. 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 ID8820180565
PECOS Enrollment IDI20090312000203
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 Alexandros Polydorides reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Fpa Hospital Based
Same address
Anesthesiology
1 GUSTAVE L LEVY PL, ANESTHESIOLOGY - BOX 1010
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 1,067 clinicians in this Medicare group
NPI 1710324041 (212) 241-6426
Icahn School Of Medicine At Mount Sinai
Same address
Anatomic Pathology & Clinical Pathology
1 GUSTAVE L LEVY PL
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 96 clinicians in this Medicare group
NPI 1104162700 (212) 241-6500

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 14

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
895 services299 patients
Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
359 services121 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
195 services117 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
129 services72 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
122 services30 patients
Special stained specimen slides to examine tissue including interpretation and report 88313
Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.
87 services63 patients

Hospital Affiliations CMS Care Compare 2

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

Mount Sinai Hospital

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330024
LocationOne Gustave L Levy PlaceNew York, NY 10029 · New York County
Emergency services Birthing friendly

Mount Sinai St Luke's Roosevelt Hospital

Acute Care Hospitals · New York, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330046
Location1000 Tenth AvenueNew York, NY 10019 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10029 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

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.

MRS. LAURA MANNING R.D., C.D.N.
Dietitian, Registered
1 GUSTAVE L LEVY PL, BOX 1625
NEW YORK, NY 10029
New York County (212) 241-9426
AMY JAYANT SANGHVI MD
Emergency Medicine
1 GUSTAVE L LEVY PL, BOX 1149
NEW YORK, NY 10029
New York County (212) 241-0748
MOUNT SINAI MEDICAL CENTER
General Acute Care Hospital
1 GUSTAVE L LEVY PL
NEW YORK, NY 10029
New York County (800) 637-4624
ANURADHA LALA-TRINDADE
Internal Medicine (Cardiovascular Disease)
1 GUSTAVE L LEVY PL
NEW YORK, NY 10029
New York County (212) 987-3100
RENA DYMERSKY RPA-C, MS
Physician Assistant
1 GUSTAVE L LEVY PL
NEW YORK, NY 10029
New York County (212) 241-6500
JENNY H CHUNG PHARMD, RN, FNP-BC
Nurse Practitioner (Family)
1 GUSTAVE L LEVY PL, TRANSPLANT INST. DEPARTMENT BOX 1104
NEW YORK, NY 10029
New York County (212) 659-8006
ERIKA JACOBSON RD,CDN
Dietitian, Registered
1 GUSTAVE L LEVY PL
NEW YORK, NY 10029
New York County (917) 241-5633
SARAH ALICIA REDA
Student in an Organized Health Care Education/Training Program
1 GUSTAVE L LEVY PL
NEW YORK, NY 10029
New York County (212) 241-6500

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 Alexandros Polydorides's NPI number?

The NPI number for Alexandros Polydorides is 1063617751. It was assigned to this individual provider in the NPPES registry on June 20, 2007.

Where is Alexandros Polydorides located?

Alexandros Polydorides practices at 1 Gustave L Levy Pl Mount Sinai Medical Center, New York, NY 10029. The listed phone number is (212) 241-9140.

What is Alexandros Polydorides's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Is Alexandros Polydorides enrolled in Medicare?

Yes. Alexandros Polydorides 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 Alexandros Polydorides's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandros Polydorides reassigns Medicare benefits to 2 organizations: Fpa Hospital Based (New York, NY) and Icahn School Of Medicine At Mount Sinai (New York, 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 Alexandros Polydorides's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Alexandros Polydorides affiliated with any hospitals?

According to CMS data, Alexandros Polydorides is affiliated with Mount Sinai Hospital and Mount Sinai St Luke's Roosevelt Hospital.

When was this NPI record last updated?

The NPPES record for Alexandros Polydorides was last updated on March 26, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.