DR. IVAN CHAVARRIA-SILES M.D.
NPI 1316212780
Psychiatry & Neurology - Psychiatry in Greenfield, MA

Q: What is Ivan Chavarria-siles's NPI number?

The NPI number for Ivan Chavarria-siles is 1316212780. It was assigned to this individual provider in the NPPES registry on March 18, 2012.

Q: What is Ivan Chavarria-siles's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since March 18, 2012PECOS EnrolledAccepts Medicare Assignment

164 HIGH STREET, GREENFIELD, MA 01301(413) 773-2595 Get Directions Write a Review

NPPES record last updated: September 24, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 24, 2024, Feb 8, 2020, Jul 6, 2019 and 2 more (5 updates tracked since 2016).

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About Dr. Ivan Chavarria-siles M.d. NPPES

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

DR. IVAN CHAVARRIA-SILES M.D. (NPI 1316212780) is an individual psychiatry provider in Greenfield, Massachusetts, licensed in Massachusetts (266061) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with Baystate Franklin Medical Center, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1316212780

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. IVAN CHAVARRIA-SILESCredential: M.D.

Location Address164 HIGH STREETGreenfield, MA 01301-2613

Mailing Address280 Chestnut Street, 2nd FlSpringfield, MA 01199-1001 · (413) 794-5700

Phone(413) 773-2595

Sole ProprietorNo

Medical School CMSOtherGraduated 2003

Enumeration DateMarch 18, 2012

Last NPPES UpdateSeptember 24, 20245 updates tracked since enumeration

NPPES CertifiedSeptember 24, 2024

✔ NPI 1316212780 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in MA · 266061✔ Licensed in NY · 281523

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

164 HIGH STREET, Greenfield, MA 01301

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.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. Ivan Chavarria-siles 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 ID4789975327

PECOS Enrollment IDI20160629000396, I20190508000368

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

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

Baystate Medical Practices, Inc

33 mi

Emergency Medical Services

759 CHESTNUT ST
Springfield, MA 01199

Reassigned Medicare billing, Massachusetts enrollment
1,537 clinicians in this Medicare group

NPI 1548205909 (413) 794-5700

North Shore-Lij Medical PC

138 mi

Urology

1010 NORTHERN BLVD STE 110
Great Neck, NY 11021

Reassigned Medicare billing, New York enrollment
9,353 clinicians in this Medicare group

NPI 1053688572 (516) 321-7400

The Long Island Home

139 mi

Psychiatric Hospital

400 SUNRISE HWY
Amityville, NY 11701

Reassigned Medicare billing, New York enrollment
123 clinicians in this Medicare group

NPI 1568459204 (631) 264-4000

Icahn School Of Medicine At Mount Sinai

143 mi

Addiction Medicine

1425 MADISON AVE
New York, NY 10029

Reassigned Medicare billing, New York enrollment
385 clinicians in this Medicare group

NPI 1033482518 (212) 987-3100

Mccd Psychiatry Services PLLC

147 mi

Psychiatry

109 W 27TH ST # 5S
New York, NY 10001

Reassigned Medicare billing, New York enrollment
590 clinicians in this Medicare group

NPI 1033750823 (917) 634-5311

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 3

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 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.

59 services22 patients

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.

39 services13 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.

13 services11 patients

Hospital Affiliations CMS Care Compare

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

Baystate Franklin Medical Center

Acute Care Hospitals · Greenfield, MA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220016

Location164 High StreetGreenfield, MA 01301 · Franklin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01301 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

$177.36 typical visit price

range $58.86 – $177.36

Typical copayment $44.34 (range $14.71 – $44.34)

Most-billed visit code 99205

Established Patient

$73.22 typical visit price

range $19.11 – $144.84

Typical copayment $18.30 (range $4.77 – $36.21)

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 10

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

NATHAN T WILSON MD

Emergency Medicine