DRS LAHIRI & MESIBOV LLC
NPI 1427100445
Family Medicine in Los Alamos, NM

Q: What is Drs Lahiri & Mesibov LLC's NPI number?

The NPI number for Drs Lahiri & Mesibov LLC is 1427100445. It was assigned to this organization in the NPPES registry on January 18, 2007.

Q: What is Drs Lahiri & Mesibov LLC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since January 18, 2007

118 CENTRAL PARK SQUARE, LOS ALAMOS, NM 87544(505) 662-4798(505) 661-9637 Get Directions Write a Review

NPPES record last updated: January 24, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Drs Lahiri & Mesibov Llc NPPES

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

DRS LAHIRI & MESIBOV LLC (NPI 1427100445) is a healthcare organization registered as a family medicine in Los Alamos, New Mexico and active in the NPI registry since January 2007. The organization lists Jennifer Erdige, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1427100445

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameDRS LAHIRI & MESIBOV LLC

Location Address118 CENTRAL PARK SQUARELos Alamos, NM 87544

Mailing Address118 Central Park SquareLos Alamos, NM 87544 · (505) 662-4798 · Fax (505) 661-9637

Phone(505) 662-4798

Fax(505) 661-9637

Organization SubpartNo

Authorized OfficialJennifer ErdigeOffice Manager · (505) 662-4798

Enumeration DateJanuary 18, 2007

Last NPPES UpdateJanuary 24, 2019

✔ NPI 1427100445 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in NM · 9799

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedInternal MedicineTaxonomy 207R00000X · License 91259 (NM)

Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License 93274 (NM)

118 CENTRAL PARK SQUARE, Los Alamos, NM 87544

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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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Drs Lahiri & Mesibov Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 4 clinicians reassign Medicare billing to Drs Lahiri & Mesibov LLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Aparimita Lahiri, MBBS/M.D.

Endocrinology

NPI 1093810277

118 CENTRAL PARK SQUARE
Los Alamos, NM 87544

(505) 662-4798

✔ PECOS✔ Accepts MedicareSame address

Angela Minium, APRN-CNP

Nurse Practitioner

NPI 1083267363

118 CENTRAL PARK SQ
Los Alamos, NM 87544

(505) 662-4798

✔ PECOS✔ Accepts MedicareSame address

Pema Tamang, FNP

Nurse Practitioner

NPI 1588217749

118 CENTRAL PARK SQ
Los Alamos, NM 87544

(505) 662-4798

✔ PECOS✔ Accepts MedicareSame address

David Mesibov, MD

Family Practice

NPI 1912001520

118 CENTRAL PARK SQUARE
Los Alamos, NM 87544

(505) 662-4798

✔ PECOS✔ Accepts MedicareSame address

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

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 Drs Lahiri & Mesibov LLC's NPI number?

The NPI number for Drs Lahiri & Mesibov LLC is 1427100445. It was assigned to this organization in the NPPES registry on January 18, 2007.

Where is Drs Lahiri & Mesibov LLC located?

Drs Lahiri & Mesibov LLC is located at 118 Central Park Square, Los Alamos, NM 87544. The listed phone number is (505) 662-4798.

What is Drs Lahiri & Mesibov LLC's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Drs Lahiri & Mesibov LLC enrolled in Medicare?

Yes. Drs Lahiri & Mesibov LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Drs Lahiri & Mesibov LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Drs Lahiri & Mesibov LLC, in Endocrinology, Family Practice 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, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Drs Lahiri & Mesibov LLC was last updated on January 24, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.