MANHAN INTERNAL MEDICINE PC
NPI 1043590417
Internal Medicine in Easthampton, MA

Active since August 17, 2011CLIA 22D0725729 · Waiver
2 MECHANIC ST, SUITE A, EASTHAMPTON, MA 01027(413) 529-9282(413) 527-7526 Get Directions Write a Review

NPPES record last updated: January 30, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Manhan Internal Medicine Pc NPPES

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

MANHAN INTERNAL MEDICINE PC (NPI 1043590417) is a healthcare organization registered as an internal medicine in Easthampton, Massachusetts and active in the NPI registry since August 2011. The organization holds a CLIA Waiver certificate valid through October 20, 2027 and lists Erika Suzanne Duggan, Practice Administrator, as its authorized official.

NPPES Registry Identity

NPI1043590417
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMANHAN INTERNAL MEDICINE PC
Location Address2 MECHANIC ST, SUITE AEasthampton, MA 01027-1562
Mailing Address2 Mechanic St, Suite AEasthampton, MA 01027-1562 · (413) 529-9282 · Fax (413) 527-7526
Fax(413) 527-7526
Organization SubpartNo
Authorized OfficialErika Suzanne DugganPractice Administrator · (413) 529-9282
Enumeration DateAugust 17, 2011
Last NPPES UpdateJanuary 30, 2012
✔ NPI 1043590417 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 71687
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.
2 MECHANIC ST, Easthampton, MA 01027

Other Identifiers 2

Medicare UPINE38514MA
Medicaid3058581MA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Manhan Internal Medicine Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by October 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMassachusettsEnrollment IDO20110927000348Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Manhan Internal Medicine PC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Internal Medicine
NPI 1043292089
179 NORTHAMPTON ST STE D
Easthampton, MA 01027
(413) 529-9282
✔ PECOS✔ Accepts Medicare1.2 mi
Nurse Practitioner
NPI 1073669255
10 HOSPITAL DR SUITE 303
Holyoke, MA 01040
(413) 539-6830
✔ PECOS✔ Accepts Medicare5.1 mi

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 22D0725729

Manhan Internal Medicine · Southampton, MA
Active · expires Oct 20, 2027
CLIA Number22D0725729
Laboratory TypePhysician Office
Certificate Effective DateOctober 21, 2025
Certificate Expiration DateOctober 20, 2027
Laboratory DirectorMark A. Bigda
Laboratory Phone(413) 529-9282
Laboratory LocationManhan Internal Medicine6 Parc Pl Suite A, Southampton, MA 01073
CLIA data matches this NPI record on: Name Phone
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 Manhan Internal Medicine PC's NPI number?

The NPI number for Manhan Internal Medicine PC is 1043590417. It was assigned to this organization in the NPPES registry on August 17, 2011.

Where is Manhan Internal Medicine PC located?

Manhan Internal Medicine PC is located at 2 Mechanic St Suite A, Easthampton, MA 01027. The listed phone number is (413) 529-9282.

What is Manhan Internal Medicine PC's specialty?

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

Is Manhan Internal Medicine PC enrolled in Medicare?

Yes. Manhan Internal Medicine PC is registered in the Medicare PECOS enrollment system.

When is Manhan Internal Medicine PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Massachusetts, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Manhan Internal Medicine PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Manhan Internal Medicine PC, 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, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Manhan Internal Medicine PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D0725729) is associated with this NPI, valid through October 20, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Manhan Internal Medicine PC accept?

Health plans from Anthem Blue Cross and Blue Shield list Manhan Internal Medicine PC 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 Manhan Internal Medicine PC was last updated on January 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.