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SUMMERS HEALTHCARE
NPI 1841733078
Internal Medicine in Saint Louis, MO

Active since November 19, 2016CLIA 26D2122759 · Microscopy
3915 WATSON RD STE 202, SAINT LOUIS, MO 63109(314) 267-9316(888) 464-1108 Get Directions Write a Review

NPPES record last updated: May 31, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 30, 2023, Dec 12, 2022, Nov 23, 2022 and 2 more (5 updates tracked since 2016).

About Summers Healthcare NPPES

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

SUMMERS HEALTHCARE (NPI 1841733078) is a healthcare organization registered as an internal medicine in Saint Louis, Missouri and active in the NPI registry since November 2016. The organization holds a CLIA Microscopy certificate valid through November 13, 2026 and lists William Summers, President, as its authorized official.

NPPES Registry Identity

NPI1841733078
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSUMMERS HEALTHCARE LLC
Location Address3915 WATSON RD STE 202Saint Louis, MO 63109-1251
Mailing Address3915 Watson Rd Ste 202Saint Louis, MO 63109-1251 · (314) 244-3818 · Fax (888) 464-1108
Phone(314) 267-9316
Fax(888) 464-1108
Organization SubpartNo
Authorized OfficialWilliam SummersPresident · (314) 267-9316
Enumeration DateNovember 19, 2016
Last NPPES UpdateMay 31, 20245 updates tracked since enumeration
NPPES CertifiedSeptember 6, 2023
✔ NPI 1841733078 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MO · 2007010580
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.
3915 WATSON RD STE 202, Saint Louis, MO 63109
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Other Names 1

Other NameSummers Healthcare

Other Identifiers 1

Medicaid500039570MO

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 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)

Summers Healthcare is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Summers Healthcare, which bills Medicare for the services this clinician delivers.

Clinician (1)

William Summers, MD
Internal Medicine
NPI 1265471650
3915 WATSON RD STE 202
Saint Louis, MO 63109
(314) 244-3818
✔ 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.

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 for Provider-Performed Microscopy Procedures (PPMP) 26D2122759

Summers Healthcare, LLC · Saint Louis, MO
Active · expires Nov 13, 2026
CLIA Number26D2122759
Laboratory TypePhysician Office
Certificate Effective DateNovember 14, 2024
Certificate Expiration DateNovember 13, 2026
Laboratory DirectorWilliam C. Summers
Laboratory Phone(314) 267-9316
Laboratory LocationSummers Healthcare, LLC3915 Watson Rd, Ste 202, Saint Louis, MO 63109
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform 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 Summers Healthcare LLC's NPI number?

The NPI number for Summers Healthcare LLC is 1841733078. It was assigned to this organization in the NPPES registry on November 19, 2016. The provider is also known as Summers Healthcare.

Where is Summers Healthcare LLC located?

Summers Healthcare LLC is located at 3915 Watson Rd Ste 202, Saint Louis, MO 63109. The listed phone number is (314) 267-9316.

What is Summers Healthcare LLC's specialty?

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

Is Summers Healthcare LLC enrolled in Medicare?

Yes. Summers Healthcare LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Summers Healthcare LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Summers Healthcare 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Summers Healthcare LLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 26D2122759) is associated with this NPI, valid through November 13, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Summers Healthcare LLC 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 3 other insurers list Summers Healthcare 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 Summers Healthcare LLC was last updated on May 31, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.