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DRS. MERA, BOESCH & KUMAR, LLC
NPI 1659415008
Internal Medicine in Chesterfield, MO

Active since February 19, 2007CLIA 26D0438111 · Waiver
121 SAINT LUKES CENTER DR STE 305, CHESTERFIELD, MO 63017(636) 685-7727(314) 590-5919 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 5, 2026, Dec 12, 2025, Apr 26, 2021 (3 updates tracked since 2021).

About Drs. Mera, Boesch & Kumar, Llc NPPES

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

DRS. MERA, BOESCH & KUMAR, LLC (NPI 1659415008) is a healthcare organization registered as an internal medicine in Chesterfield, Missouri and active in the NPI registry since February 2007. The organization holds a CLIA Waiver certificate valid through August 31, 2028 and lists Darren Haskell, Chief Medical Officer, as its authorized official.

NPPES Registry Identity

NPI1659415008
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDRS. MERA, BOESCH & KUMAR, LLC
Location Address121 SAINT LUKES CENTER DR STE 305Chesterfield, MO 63017-3519
Mailing Address232 S Woods Mill RdChesterfield, MO 63017-3406 · (636) 685-7804 · Fax (314) 576-2344
Phone(636) 685-7727
Fax(314) 590-5919
Organization SubpartYesParent: St. Lukes Medical Group
Authorized OfficialDarren HaskellChief Medical Officer · (314) 205-6444
Enumeration DateFebruary 19, 2007
Last NPPES UpdateMarch 5, 20263 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1659415008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
121 SAINT LUKES CENTER DR STE 305, Chesterfield, MO 63017
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Other Identifiers 1

OtherDD6753MO · Rr Medicare

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

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Medica.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)

Drs. Mera, Boesch & Kumar, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Drs. Mera, Boesch & Kumar, LLC, which bills Medicare for the services they deliver. Of these, 5 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Jeffrey Boesch, M.D.
Internal Medicine
NPI 1972566024
222 S WOODS MILL RD SUITE 630
Chesterfield, MO 63017
(314) 878-4141
✔ PECOS✔ Accepts Medicare0.4 mi
Shanthi Kumar, M.D.
Internal Medicine
NPI 1497710651
222 S WOODS MILL RD SUITE 630
Chesterfield, MO 63017
(314) 878-4141
✔ PECOS✔ Accepts Medicare0.4 mi
Sarvani Reddy Allam
Internal Medicine
NPI 1326739871
232 S WOODS MILL RD
Chesterfield, MO 63017
(314) 205-6050
✔ PECOS0.4 mi
Byron Baptist, M.D.
Internal Medicine
NPI 1518253699
12855 N 40 DR STE 280
Saint Louis, MO 63141
(314) 432-4415
✔ PECOS✔ Accepts Medicare3.3 mi
Erin Kramer, FNP-C
Nurse Practitioner
NPI 1740872514
13861 MANCHESTER RD
Ballwin, MO 63011
(636) 556-0114
✔ PECOS✔ Accepts Medicare4.2 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 26D0438111

Drs Mera Boesch & Kumar, LLC · Chesterfield, MO
Active · expires Aug 31, 2028
CLIA Number26D0438111
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
Laboratory DirectorJeffrey L. Boesch
Laboratory Phone(314) 878-4141
Laboratory LocationDrs Mera Boesch & Kumar, LLC121 St Luke's Center Drive Ste 305 A, Chesterfield, MO 63017
CLIA data matches this NPI record on: 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 Drs. Mera, Boesch & Kumar, LLC's NPI number?

The NPI number for Drs. Mera, Boesch & Kumar, LLC is 1659415008. It was assigned to this organization in the NPPES registry on February 19, 2007.

Where is Drs. Mera, Boesch & Kumar, LLC located?

Drs. Mera, Boesch & Kumar, LLC is located at 121 Saint Lukes Center Dr Ste 305, Chesterfield, MO 63017. The listed phone number is (636) 685-7727.

What is Drs. Mera, Boesch & Kumar, LLC's specialty?

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

Is Drs. Mera, Boesch & Kumar, LLC enrolled in Medicare?

Yes. Drs. Mera, Boesch & Kumar, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Drs. Mera, Boesch & Kumar, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Drs. Mera, Boesch & Kumar, LLC. 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. The largest specialties are Internal Medicine (4) and Nurse Practitioner (1). Of these, 5 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Drs. Mera, Boesch & Kumar, LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 26D0438111) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Drs. Mera, Boesch & Kumar, LLC accept?

Health plans from Anthem Blue Cross and Blue Shield and Medica list Drs. Mera, Boesch & Kumar, LLC 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 Drs. Mera, Boesch & Kumar, LLC was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.