ARIANA M. WITKIN MD
NPI 1831583368
Pediatrics in Boston, MA

Active since March 23, 2015PECOS Enrolled
850 HARRISON AVE., 4TH YACC, BOSTON, MA 02118(617) 414-4363(617) 499-5103 Get Directions Write a Review

NPPES record last updated: April 17, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 17, 2024, May 31, 2023, Jun 9, 2021 and 1 more (4 updates tracked since 2021).

About Ariana M. Witkin Md NPPES

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

ARIANA M. WITKIN MD (NPI 1831583368) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (276725) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831583368
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameARIANA M. WITKINCredential: MD
Location Address850 HARRISON AVE., 4TH YACCBoston, MA 02118
Mailing AddressBmc Provider Enrollment Office, 960 Massachusetts Ave,.2nd FloorBoston, MA 02118 · (617) 414-5405 · Fax (617) 414-6031
Fax(617) 499-5103
Sole ProprietorNo
Enumeration DateMarch 23, 2015
Last NPPES UpdateApril 17, 20244 updates tracked since enumeration
NPPES CertifiedApril 10, 2024
✔ NPI 1831583368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 276725
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
850 HARRISON AVE., Boston, MA 02118

Other Identifiers 1

Medicaid110146235AMA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ariana M. Witkin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Ariana Witkin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

General Acute Care Hospital
1493 CAMBRIDGE ST
Cambridge, MA 02139
  • Reassigned Medicare billing, Massachusetts enrollment
  • 719 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

Other Providers at the Same Location NPPES

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

Nurse Practitioner (Pediatrics)
850 HARRISON AVE., YACC 4
BOSTON, MA 02118

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 Ariana Witkin's NPI number?

The NPI number for Ariana Witkin is 1831583368. It was assigned to this individual provider in the NPPES registry on March 23, 2015.

Where is Ariana Witkin located?

Ariana Witkin practices at 850 Harrison Ave. 4th Yacc, Boston, MA 02118. The listed phone number is (617) 414-4363.

What is Ariana Witkin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Ariana Witkin enrolled in Medicare?

Yes. Ariana Witkin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ariana Witkin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ariana Witkin reassigns Medicare benefits to Cambridge Public Health Commission (Cambridge, MA). 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 Ariana Witkin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ariana Witkin accept?

Health plans from Taro Health and WellSense Health Plan list Ariana Witkin 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.

When was this NPI record last updated?

The NPPES record for Ariana Witkin was last updated on April 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.