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MONICA STEPHANIE CHILLIANIS PA-C
NPI 1164101044
Physician Assistant in Halfmoon, NY

Active since July 17, 2023PECOS EnrolledAccepts Medicare Assignment
103 SITTERLY RD, HALFMOON, NY 12065(518) 581-2860 Get Directions Write a Review

NPPES record last updated: November 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 6, 2025, Jul 17, 2023 (2 updates tracked since 2023).

About Monica Stephanie Chillianis Pa-c NPPES

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

MONICA STEPHANIE CHILLIANIS PA-C (NPI 1164101044) is an individual physician assistant in Halfmoon, New York, licensed in New York (030204) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS, is affiliated with St Peter's Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1164101044
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMONICA STEPHANIE CHILLIANISCredential: PA-C
Location Address103 SITTERLY RDHalfmoon, NY 12065-5612
Mailing Address103 Sitterly RdHalfmoon, NY 12065-5612
Phone(518) 581-2860
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJuly 17, 2023
Last NPPES UpdateNovember 6, 20252 updates tracked since enumeration
NPPES CertifiedNovember 6, 2025
✔ NPI 1164101044 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in NY · 030204
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
103 SITTERLY RD, Halfmoon, NY 12065
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Secondary Practice Locations 2

Location 1315 S Manning BlvdAlbany, NY 12208-1707 · Phone (518) 525-1550
Location 22215 Burdett AveTroy, NY 12180-2466 · Phone (518) 271-3300

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Monica Stephanie Chillianis Pa-c 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 ID8224490404
PECOS Enrollment IDI20230821001241
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.

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.

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.
53 services35 patients

Hospital Affiliations CMS Care Compare

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

St Peter's Hospital

Acute Care Hospitals · Albany, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330057
Location315 South Manning BoulevardAlbany, NY 12208 · Albany County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 12065 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
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
Most-billed visit code 99213
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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ORTHOPEDICSNY, LLP
Orthopaedic Surgery
103 SITTERLY RD
HALFMOON, NY 12065
Saratoga County (518) 688-0247
ORTHONY PHYSICAL THERAPY
Orthopaedic Surgery
103 SITTERLY RD
HALFMOON, NY 12065
Saratoga County (518) 453-9088
JOSHUA CARLSON M.D.
Family Medicine
103 SITTERLY RD, SUITE 2300
CLIFTON PARK, NY 12065
Saratoga County (518) 579-2650

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 Monica Chillianis's NPI number?

The NPI number for Monica Chillianis is 1164101044. It was assigned to this individual provider in the NPPES registry on July 17, 2023.

Where is Monica Chillianis located?

Monica Chillianis practices at 103 Sitterly Rd, Halfmoon, NY 12065. The listed phone number is (518) 581-2860.

What is Monica Chillianis's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Monica Chillianis enrolled in Medicare?

Yes. Monica Chillianis 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.

Is Monica Chillianis affiliated with any hospitals?

According to CMS data, Monica Chillianis is affiliated with St Peter's Hospital.

When was this NPI record last updated?

The NPPES record for Monica Chillianis was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.