ROBERT KOICHIRO ARAO MD
NPI 1154811446
Internal Medicine - Pulmonary Disease in New York, NY
About Robert Koichiro Arao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT KOICHIRO ARAO MD (NPI 1154811446) is an individual pulmonary disease provider in New York, New York, licensed in New York (336378) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Robert Koichiro Arao 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.
Medicare Billing Reassignments
3Medicare enrollment records show Robert Arao reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- 80 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician 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.
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.
NEW YORK, NY 10065
NEW YORK, NY 10065
NEW YORK, NY 10065
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 Robert Arao's NPI number?
The NPI number for Robert Arao is 1154811446. It was assigned to this individual provider in the NPPES registry on May 13, 2018.
Where is Robert Arao located?
Robert Arao practices at 525 E 68th St, New York, NY 10065. The listed phone number is (212) 746-5454.
What is Robert Arao's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Robert Arao enrolled in Medicare?
Yes. Robert Arao 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 Robert Arao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Arao reassigns Medicare benefits to 3 organizations: Weill Medical College Of Cornell (New York, NY), The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). 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 Robert Arao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Robert Arao affiliated with any hospitals?
According to CMS data, Robert Arao is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for Robert Arao was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Robert Koichiro Arao, MD · NPI 1154811446
Pulmonary Disease physician in New York, New York. Individual provider, active in the CMS NPPES registry since May 13, 2018.
## Identity
- **NPI:** 1154811446 (Entity type: Individual)
- **Enumerated:** May 13, 2018
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 336378 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 525 E 68TH ST, New York, NY 10065-4870
- **Phone:** (212) 746-5454
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Weill Medical College Of Cornell (NPI 1285742122, New York, NY); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Icahn School Of Medicine At Mount Sinai, class of 2018
## Record status
- **NPPES last updated:** September 2, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1154811446) · Data from the CMS NPPES public registry.