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DR. JONAS ISAIAH HARLEY MD
NPI 1912526013
Anesthesiology in Valhalla, NY

Active since April 09, 2020PECOS EnrolledAccepts Medicare Assignment
100 WOODS RD, VALHALLA, NY 10595(914) 493-7000 Get Directions Write a Review

NPPES record last updated: January 21, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Jonas Isaiah Harley Md NPPES

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

DR. JONAS ISAIAH HARLEY MD (NPI 1912526013) is an individual anesthesiology provider in Valhalla, New York, licensed in New York (333596) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Westchester Medical Center, and is a graduate of University Of Oklahoma College Of Medicine (2020).

NPPES Registry Identity

NPI1912526013
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. JONAS ISAIAH HARLEYCredential: MD
Location Address100 WOODS RDValhalla, NY 10595-1530
Mailing Address55 Bank St Apt 1408White Plains, NY 10606-2033 · (918) 814-8449
Phone(914) 493-7000
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2020
Enumeration DateApril 9, 2020
Last NPPES UpdateJanuary 21, 2025
NPPES CertifiedJanuary 21, 2025
✔ NPI 1912526013 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NY · 333596
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
100 WOODS RD, Valhalla, NY 10595
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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. Jonas Isaiah Harley 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 ID941747059
PECOS Enrollment IDI20250206000514
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 Reassignment

Medicare enrollment records show Jonas Harley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Westchester Medical Center Advanced Physician Services PC
Same address
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

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

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

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.

DR. EVE BLOCK MD
Internal Medicine (Hospice and Palliative Medicine)
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-3112
MRS. LISA ANN SAUER N.P.
Nurse Practitioner (Neonatal, Critical Care)
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
KAREN FRANCOIS MD
Anesthesiology
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
KIMBERLY WILSON R.D.
Dietitian, Registered
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7664
RADHIKA VOLETI M.D
Internal Medicine
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
FAREENA NAWAZ MD
Internal Medicine
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000
AUSTIN B CARPENTER
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-8795
AMRO AGLAN MD
Student in an Organized Health Care Education/Training Program
100 WOODS RD
VALHALLA, NY 10595
Westchester County (914) 493-7000

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 Jonas Harley's NPI number?

The NPI number for Jonas Harley is 1912526013. It was assigned to this individual provider in the NPPES registry on April 9, 2020.

Where is Jonas Harley located?

Jonas Harley practices at 100 Woods Rd, Valhalla, NY 10595. The listed phone number is (914) 493-7000.

What is Jonas Harley's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Jonas Harley enrolled in Medicare?

Yes. Jonas Harley 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 organization bills Medicare for Jonas Harley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jonas Harley reassigns Medicare benefits to Westchester Medical Center Advanced Physician Services PC (Valhalla, NY). The 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 Jonas Harley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Jonas Harley affiliated with any hospitals?

According to CMS data, Jonas Harley is affiliated with Westchester Medical Center.

When was this NPI record last updated?

The NPPES record for Jonas Harley was last updated on January 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.