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ATLANTIC INTERNAL MEDICINE & PEDIATRICS, INC
NPI 1104163070
Internal Medicine in Portsmouth, NH

Active since January 11, 2013CLIA 30D2051936 · Waiver
200 GRIFFIN RD STE 15, PORTSMOUTH, NH 03801(603) 373-0096(888) 753-6169 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 6, 2026, Apr 10, 2018 (2 updates tracked since 2018).

About Atlantic Internal Medicine & Pediatrics, Inc NPPES

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

ATLANTIC INTERNAL MEDICINE & PEDIATRICS, INC (NPI 1104163070) is a healthcare organization registered as an internal medicine in Portsmouth, New Hampshire and active in the NPI registry since January 2013. The organization holds a CLIA Waiver certificate valid through January 2, 2027 and lists Adam Kurish, President, as its authorized official.

NPPES Registry Identity

NPI1104163070
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameATLANTIC INTERNAL MEDICINE & PEDIATRICS, INC
Location Address200 GRIFFIN RD STE 15Portsmouth, NH 03801-7145
Mailing Address200 Griffin Rd Ste 15Portsmouth, NH 03801-7145 · (603) 373-0096 · Fax (888) 753-6169
Phone(603) 373-0096
Fax(888) 753-6169
Organization SubpartNo
Authorized OfficialAdam KurishPresident · (603) 373-0096
Enumeration DateJanuary 11, 2013
Last NPPES UpdateAugust 6, 20262 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
✔ NPI 1104163070 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NH · 15882
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License 15882 (NH)
200 GRIFFIN RD STE 15, Portsmouth, NH 03801
Open in Google Maps ↗

Other Identifiers 1

Medicaid3086915NH

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, WellSense Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Atlantic Internal Medicine & Pediatrics, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Atlantic Internal Medicine & Pediatrics, Inc, which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Sarah Boyatsis
Nurse Practitioner
NPI 1073229753
200 GRIFFIN RD STE 15
Portsmouth, NH 03801
(603) 373-0096
✔ PECOS✔ Accepts MedicareSame address
Madeline Grandin
Nurse Practitioner
NPI 1669082483
200 GRIFFIN RD STE 15
Portsmouth, NH 03801
(603) 373-0096
✔ PECOS✔ Accepts MedicareSame address
Adam Kurish, MD
Internal Medicine
NPI 1629236377
200 GRIFFIN RD STE 6
Portsmouth, NH 03801
(603) 373-0096
✔ PECOSSame address

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 30D2051936

Atlantic Internal Medicine & Pediatrics · Portsmouth, NH
Active · expires Jan 2, 2027
CLIA Number30D2051936
Laboratory TypePhysician Office
Certificate Effective DateJanuary 3, 2025
Certificate Expiration DateJanuary 2, 2027
Laboratory DirectorAdam Kurish
Laboratory Phone(252) 341-1244
Laboratory LocationAtlantic Internal Medicine & Pediatrics200 Griffin Rd, Ste 15, Portsmouth, NH 03801
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

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 Atlantic Internal Medicine & Pediatrics, Inc's NPI number?

The NPI number for Atlantic Internal Medicine & Pediatrics, Inc is 1104163070. It was assigned to this organization in the NPPES registry on January 11, 2013.

Where is Atlantic Internal Medicine & Pediatrics, Inc located?

Atlantic Internal Medicine & Pediatrics, Inc is located at 200 Griffin Rd Ste 15, Portsmouth, NH 03801. The listed phone number is (603) 373-0096.

What is Atlantic Internal Medicine & Pediatrics, Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Atlantic Internal Medicine & Pediatrics, Inc enrolled in Medicare?

Yes. Atlantic Internal Medicine & Pediatrics, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Atlantic Internal Medicine & Pediatrics, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Atlantic Internal Medicine & Pediatrics, Inc, in Internal Medicine and Nurse Practitioner. A 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 the clinician's services. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Atlantic Internal Medicine & Pediatrics, Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 30D2051936) is associated with this NPI, valid through January 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Atlantic Internal Medicine & Pediatrics, Inc accept?

Health plans from Anthem Blue Cross and Blue Shield and WellSense Health Plan list Atlantic Internal Medicine & Pediatrics, Inc 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 Atlantic Internal Medicine & Pediatrics, Inc was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.