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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ARUN KRISHNAN MD
NPI 1790198265
Psychiatry & Neurology - Child & Adolescent Psychiatry in Nashua, NH

Active since June 03, 2014PECOS Enrolled
15 TRAFALGAR SQ STE 202, NASHUA, NH 03063(603) 883-0005(603) 883-0007 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 23, 2026, Jun 30, 2020, Jun 22, 2020 and 2 more (5 updates tracked since 2020).

About Arun Krishnan Md NPPES

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

ARUN KRISHNAN MD (NPI 1790198265) is an individual child & adolescent psychiatry provider in Nashua, New Hampshire, licensed in New Hampshire (17575) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1790198265
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameARUN KRISHNANCredential: MD
Location Address15 TRAFALGAR SQ STE 202Nashua, NH 03063-1968
Mailing Address4800 N Scottsdale Rd Ste 2500Scottsdale, AZ 85251-7725 · (603) 883-0005 · Fax (603) 883-0007
Phone(603) 883-0005
Fax(603) 883-0007
Sole ProprietorNo
Enumeration DateJune 3, 2014
Last NPPES UpdateSeptember 23, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1790198265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in NH · 17575
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 17575 (NH)
15 TRAFALGAR SQ STE 202, Nashua, NH 03063
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11 Elliot WayManchester, NH 03103-3502 · Phone (603) 668-4079
Location 21056 River RdManchester, NH 03104-1958 · Phone (603) 665-1580 · Fax (603) 668-4143

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Elliot Professional Services
14 mi
Internal Medicine
1070 HOLT AVE, UNIT 1, SUITE 2200
Manchester, NH 03109
  • Reassigned Medicare billing, New Hampshire enrollment
  • 446 clinicians in this Medicare group
NPI 1285627935 (603) 663-4900

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

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.

LINDSEY LANDRY LCMHC
Counselor (Mental Health)
15 TRAFALGAR SQ STE 202
NASHUA, NH 03063
Hillsborough County (603) 883-0005
REBECCA SARTOR LCSW
Social Worker (Clinical)
15 TRAFALGAR SQ STE 202
NASHUA, NH 03063
Hillsborough County (603) 883-0005
JESSICA J TURGEON LCMHC
Counselor (Mental Health)
15 TRAFALGAR SQ STE 202
NASHUA, NH 03063
Hillsborough County (603) 883-0005
MICHELLE E RONAYNE PSYD
Psychologist (Clinical)
15 TRAFALGAR SQ STE 202
NASHUA, NH 03063
Hillsborough County (603) 689-7947
CHELSEA FRICK
Counselor (Mental Health)
15 TRAFALGAR SQ STE 202
NASHUA, NH 03063
Hillsborough County (603) 883-0005
STEPHANIE L DESMARAIS MSW
Social Worker (Clinical)
15 TRAFALGAR SQ STE 202
NASHUA, NH 03063
Hillsborough County (603) 883-0005
ROBERT SLOANE FRANKLIN LICSW
Social Worker (Clinical)
15 TRAFALGAR SQ STE 202
NASHUA, NH 03063
Hillsborough County (603) 883-0005
JENNIFER ALBERT M.D.
Psychiatry & Neurology (Psychiatry)
15 TRAFALGAR SQ STE 202
NASHUA, NH 03063
Hillsborough County (603) 883-0005

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 Arun Krishnan's NPI number?

The NPI number for Arun Krishnan is 1790198265. It was assigned to this individual provider in the NPPES registry on June 3, 2014.

Where is Arun Krishnan located?

Arun Krishnan practices at 15 Trafalgar Sq Ste 202, Nashua, NH 03063. The listed phone number is (603) 883-0005.

What is Arun Krishnan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Arun Krishnan enrolled in Medicare?

Yes. Arun Krishnan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Arun Krishnan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arun Krishnan reassigns Medicare benefits to Elliot Professional Services (Manchester, NH). 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 Arun Krishnan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Arun Krishnan accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Arun Krishnan 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 Arun Krishnan was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.