JASON XENAKIS MD
NPI 1891314712
Internal Medicine in White Plains, NY

Q: What is Jason Xenakis's NPI number?

The NPI number for Jason Xenakis is 1891314712. It was assigned to this individual provider in the NPPES registry on April 10, 2020.

Q: What is Jason Xenakis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jason Xenakis was last updated on April 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since April 10, 2020PECOS EnrolledAccepts Medicare Assignment

41 E POST RD, WHITE PLAINS, NY 10601(914) 681-0600 Get Directions Write a Review

NPPES record last updated: April 13, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 13, 2023, Apr 10, 2020 (2 updates tracked since 2020).

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About Jason Xenakis Md NPPES

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

JASON XENAKIS MD (NPI 1891314712) is an individual internal medicine provider in White Plains, New York, licensed in New York (321244) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Vassar Brothers Medical Center, and maintains a secondary practice location in Bridgeport.

NPPES Registry Identity

NPI1891314712

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameJASON XENAKISCredential: MD

Location Address41 E POST RDWhite Plains, NY 10601-4699

Mailing Address2800 Main Street, Department Of MedicineBridgeport, CT 06606 · (845) 240-5010

Phone(914) 681-0600

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateApril 10, 2020

Last NPPES UpdateApril 13, 20232 updates tracked since enumeration

NPPES CertifiedApril 13, 2023

✔ NPI 1891314712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NY · 321244

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

41 E POST RD, White Plains, NY 10601

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Secondary Practice Location 1

Location 12800 Main Street, Department of MedicineBridgeport, CT 06606 · Phone (475) 210-5791

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

Jason Xenakis Md 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 ID1355703372

PECOS Enrollment IDI20230808002385

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

Medicare enrollment records show Jason Xenakis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

East Post Road Medical Services PC

Same address

Emergency Medicine

41 E POST RD
White Plains, NY 10601

Reassigned Medicare billing, New York enrollment
479 clinicians in this Medicare group

NPI 1841767274 (914) 681-1210

Westchester Medical Center Advanced Physician Services PC

4.6 mi

Anesthesiology

100 WOODS RD, TAYLOR PAVILION - ROOM M229
Valhalla, NY 10595

Reassigned Medicare billing, New York enrollment
1,663 clinicians in this Medicare group

NPI 1740687458 (914) 493-2844

Nuvance Health Medical Practice PC

47 mi

Internal Medicine

45 READE PLACE
Poughkeepsie, NY 12601

Reassigned Medicare billing, New York enrollment
638 clinicians in this Medicare group

NPI 1437358033 (845) 475-9661

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 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

534 services279 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

229 services139 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

212 services122 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

203 services199 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

42 services42 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

25 services25 patients

Hospital Affiliations CMS Care Compare 4

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

Vassar Brothers Medical Center

Acute Care Hospitals · Poughkeepsie, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330023

Location45 Reade PlacePoughkeepsie, NY 12601 · Dutchess County

Emergency services Birthing friendly

Northern Dutchess Hospital

Acute Care Hospitals · Rhinebeck, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330049

Location6511 Springbrook AvenueRhinebeck, NY 12572 · Dutchess County

Emergency services Birthing friendly

Westchester Medical Center

Acute Care Hospitals · Valhalla, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number330234

Location100 Woods RdValhalla, NY 10595 · Westchester 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 10601 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

WHITE PLAINS CARDIOLOGY AND NEUROLOGY ASSOCIATES,P.C.

Specialist