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Geriatric Medicine

Marie Cris B. Tamesis, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Marie Cris B. Tamesis, MD is a geriatrician at 222 Station Plaza N, Mineola, NY 11501. Phone: (516) 663-2588. Accepts Medicare assignment. In 2024, Marie Cris B. Tamesis had 289 Original Medicare patients and 1,343 services. NPI 1811489875. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Geriatrician (Medicare lists Geriatric Medicine)
  • Address: 222 Station Plaza N, Mineola, NY 11501 · Directions
  • Phone: (516) 663‑2588
  • Medicare: Accepts Medicare assignment
  • Hospital: NYU Langone Hospitals
  • Group practice: New York University
  • Medical school: graduated 2012 (14 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Marie Cris B. Tamesis, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Marie Cris B. Tamesis accept Medicare assignment?
Yes. Medicare's clinician data says Marie Cris B. Tamesis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Marie Cris B. Tamesis see?
In 2024, CMS data shows 289 Original Medicare patients and 1,343 services for Marie Cris B. Tamesis. This counts Original Medicare only and measures volume, not quality.
What is Marie Cris B. Tamesis's NPI number?
1811489875. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Marie Cris B. Tamesis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients289
Services billed to Medicare1,343
Different services or procedures37
Participating Medicare providerYes
Average age of these patients85

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)290 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)273 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)167 services
  4. Insertion of needle into vein for collection of blood sample (36415)94 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)93 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis67%
  • Ischemic heart disease47%
  • Alzheimer's disease or dementia47%
  • Chronic kidney disease45%

Hospitals where Marie Cris B. Tamesis works

Medicare's Facility Affiliation Data lists Marie Cris B. Tamesis at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • NYU Langone HospitalsNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330214

Practice locations

Addresses where Marie Cris B. Tamesis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Marie Cris B. Tamesis as a member of this group (CMS data updated October 2, 2026).

  • New York University6,134 clinicians in the group

Specialties

Find other Geriatric Medicine doctors in New York →

Other geriatricians in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All geriatricians in New York →

Other clinicians in New York University

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1811489875
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians