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INTERNAL MEDICINE ASSOCIATES, LTD.
NPI 1568590750
Internal Medicine - Pulmonary Disease in Chesterfield, MO

Active since March 01, 2007
224 S WOODS MILL RD, SUITE 500 SOUTH, CHESTERFIELD, MO 63017(314) 878-6260(314) 878-8058 Get Directions Write a Review

NPPES record last updated: September 12, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Internal Medicine Associates, Ltd. NPPES

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

INTERNAL MEDICINE ASSOCIATES, LTD. (NPI 1568590750) is a healthcare organization registered as a pulmonary disease in Chesterfield, Missouri and active in the NPI registry since March 2007. The organization lists Kim K Kaemmerlen, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1568590750
Entity TypeOrganization
Primary Taxonomy207RP1001X
Legal Business NameINTERNAL MEDICINE ASSOCIATES, LTD.
Location Address224 S WOODS MILL RD, SUITE 500 SOUTHChesterfield, MO 63017-3451
Mailing Address224 S Woods Mill Rd, Suite 500 SouthChesterfield, MO 63017-3451 · (314) 878-6260 · Fax (314) 878-8058
Phone(314) 878-6260
Fax(314) 878-8058
Organization SubpartNo
Authorized OfficialKim K KaemmerlenOffice Manager · (314) 887-6260
Enumeration DateMarch 1, 2007
Last NPPES UpdateSeptember 12, 2012
✔ NPI 1568590750 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in MO · R4781
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 100880 (MO)
Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X · License R4781 (MO), 115477 (MO)
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X · License 34594 (MO)
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X · License R8J79 (MO), R1K56 (MO)
224 S WOODS MILL RD, Chesterfield, MO 63017
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Other Identifiers 1

Medicare ID-Type Unspecified990000038MO · Group Id

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 Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.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)

Internal Medicine Associates, Ltd. 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 Internal Medicine Associates, Ltd., which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Keith Bernstein, MD
Rheumatology
NPI 1447273727
224 S WOODS MILL RD SUITE 500 SOUTH
Chesterfield, MO 63017
(314) 878-6260
✔ PECOS✔ Accepts MedicareSame address
Tariq Tanoli, M.D.
Endocrinology
NPI 1982860094
224 S WOODS MILL RD SUITE 500 SOUTH
Chesterfield, MO 63017
(314) 878-6260
✔ PECOS✔ Accepts MedicareSame address
John Wood, MD
Pulmonary Disease
NPI 1538182811
224 S WOODS MILL RD SUITE 500 SOUTH
Chesterfield, MO 63017
(317) 878-6260
✔ 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 Internal Medicine Associates, Ltd.'s NPI number?

The NPI number for Internal Medicine Associates, Ltd. is 1568590750. It was assigned to this organization in the NPPES registry on March 1, 2007.

Where is Internal Medicine Associates, Ltd. located?

Internal Medicine Associates, Ltd. is located at 224 S Woods Mill Rd Suite 500 South, Chesterfield, MO 63017. The listed phone number is (314) 878-6260.

What is Internal Medicine Associates, Ltd.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Internal Medicine Associates, Ltd. enrolled in Medicare?

Yes. Internal Medicine Associates, Ltd. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Internal Medicine Associates, Ltd.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Internal Medicine Associates, Ltd., in Endocrinology, Pulmonary Disease and Rheumatology. 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.

What insurance does Internal Medicine Associates, Ltd. accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Internal Medicine Associates, Ltd. 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 Internal Medicine Associates, Ltd. was last updated on September 12, 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.