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DR. LEONIDAS ARAPOS M.D.
NPI 1932340379
Hospitalist in New York, NY

Active since March 16, 2009PECOS EnrolledAccepts Medicare Assignment
175 E 62ND ST # 1A, NEW YORK, NY 10065(332) 900-1550(332) 900-1553 Get Directions Write a Review

NPPES record last updated: February 21, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 21, 2025, Feb 11, 2025 (2 updates tracked since 2025).

About Dr. Leonidas Arapos M.d. NPPES

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

DR. LEONIDAS ARAPOS M.D. (NPI 1932340379) is an individual hospitalist provider in New York, New York, licensed in New York (258453) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Mount Sinai Hospital, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1932340379
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. LEONIDAS ARAPOSCredential: M.D.
Location Address175 E 62ND ST # 1ANew York, NY 10065-7626
Mailing Address2126 Steinway StAstoria, NY 11105-1805 · (646) 932-0962
Phone(332) 900-1550
Fax(332) 900-1553
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateMarch 16, 2009
Last NPPES UpdateFebruary 21, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 21, 2025
✔ NPI 1932340379 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in NY · 258453✔ Licensed in LA · MD.203945
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
175 E 62ND ST # 1A, New York, NY 10065
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Other Identifiers 3

Medicaid04690731NY
Medicaid2118781LA
Medicaid03331365MS

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Texas, HMO Louisiana and more.Insurance ›

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. Leonidas Arapos M.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 ID7618001561
PECOS Enrollment IDI20170322000616
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

5

Medicare enrollment records show Leonidas Arapos reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Icahn School Of Medicine At Mount Sinai
2.2 mi
Internal Medicine
25-10 30TH AVENUE
Astoria, NY 11102
  • Reassigned Medicare billing, New York enrollment
  • 207 clinicians in this Medicare group
NPI 1477932275 (718) 932-1000
Select Medical PLLC
2.5 mi
Internal Medicine
3014 37TH ST
Astoria, NY 11103
  • Reassigned Medicare billing, New York enrollment
NPI 1649895392 (332) 900-1550
North Mississippi Medical Center, Inc.
890 mi
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3302 W LINDEN ST STE A
Corinth, MS 38834
  • Reassigned Medicare billing, Mississippi enrollment
  • 581 clinicians in this Medicare group
NPI 1366036253 (662) 331-1956
Mississippi Baptist Medical Center, Inc.
1,071 mi
Neurology
1225 N STATE ST
Jackson, MS 39202
  • Reassigned Medicare billing, Mississippi enrollment
  • 154 clinicians in this Medicare group
NPI 1467589556 (601) 968-1362
North Oaks Medical Center, LLC
1,165 mi
Hospitalist
15790 PAUL VEGA MD DR
Hammond, LA 70403
  • Reassigned Medicare billing, Louisiana enrollment
  • 58 clinicians in this Medicare group
NPI 1962709501 (985) 230-6278

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.

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.
323 services129 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.
66 services66 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.
46 services46 patients
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.
38 services26 patients

Hospital Affiliations CMS Care Compare

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10065 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.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oropharyngeal suction catheter, each A4628
DME-Other DME · category DE000N
1 supplier12 claims144 services$3.61 avg. paid by Medicare
Canister, disposable, used with suction pump, each A7000
DME-Other DME · category DE000N
1 supplier12 claims34 services$4.93 avg. paid by Medicare
Tubing, used with suction pump, each A7002
DME-Other DME · category DE000N
1 supplier11 claims11 services$3.14 avg. paid by Medicare
Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims360 services$7.40 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers29 claims29 services$19.84 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers29 claims29 services$109.76 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Leonidas Arapos's NPI number?

The NPI number for Leonidas Arapos is 1932340379. It was assigned to this individual provider in the NPPES registry on March 16, 2009.

Where is Leonidas Arapos located?

Leonidas Arapos practices at 175 E 62nd St # 1A, New York, NY 10065. The listed phone number is (332) 900-1550.

What is Leonidas Arapos's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Leonidas Arapos enrolled in Medicare?

Yes. Leonidas Arapos 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 Leonidas Arapos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leonidas Arapos reassigns Medicare benefits to 5 organizations: Icahn School Of Medicine At Mount Sinai (Astoria, NY), Select Medical PLLC (Astoria, NY), North Mississippi Medical Center, Inc. (Corinth, MS), Mississippi Baptist Medical Center, Inc. (Jackson, MS) and North Oaks Medical Center, LLC (Hammond, LA). 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 Leonidas Arapos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leonidas Arapos accept?

Health plans from Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Texas, HMO Louisiana and Oscar Health list Leonidas Arapos as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Leonidas Arapos affiliated with any hospitals?

According to CMS data, Leonidas Arapos is affiliated with Mount Sinai Hospital.

When was this NPI record last updated?

The NPPES record for Leonidas Arapos was last updated on February 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.