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ASSOCIATED SPECIALISTS IN MEDICINE, PC
NPI 1306062955
Allergy & Immunology in Saint Louis, MO

Active since April 18, 2007CLIA 26D0867630 · Microscopy
969 N MASON RD STE 240, SAINT LOUIS, MO 63141(314) 542-0606(314) 542-0212 Get Directions Write a Review

NPPES record last updated: April 25, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Associated Specialists In Medicine, Pc NPPES

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

ASSOCIATED SPECIALISTS IN MEDICINE, PC (NPI 1306062955) is a healthcare organization registered as an allergy & immunology in Saint Louis, Missouri and active in the NPI registry since April 2007. The organization holds a CLIA Microscopy certificate valid through August 9, 2028 and lists Karen Curran, Executive Director, as its authorized official.

NPPES Registry Identity

NPI1306062955
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameASSOCIATED SPECIALISTS IN MEDICINE, PC
Location Address969 N MASON RD STE 240Saint Louis, MO 63141-6338
Mailing Address969 N Mason Rd Ste 240Saint Louis, MO 63141-6338 · (314) 542-0606 · Fax (314) 542-0212
Phone(314) 542-0606
Fax(314) 542-0212
Organization SubpartNo
Authorized OfficialKaren CurranExecutive Director · (314) 542-0606
Enumeration DateApril 18, 2007
Last NPPES UpdateApril 25, 2022
NPPES CertifiedApril 25, 2022
✔ NPI 1306062955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
969 N MASON RD STE 240, Saint Louis, MO 63141
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Other Identifiers 1

Other000011440Railroad 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.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)

Associated Specialists In Medicine, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Associated Specialists In Medicine, PC, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Barbara Jost, MD
Internal Medicine
NPI 1144243031
969 N MASON RD STE 240
Saint Louis, MO 63141
(314) 542-0606
✔ PECOS✔ Accepts MedicareSame address
Jeffrey Tillinghast, M.D.
Internal Medicine
NPI 1447393301
969 N MASON RD STE 240
Saint Louis, MO 63141
(314) 542-0606
✔ PECOS✔ Accepts MedicareSame address
Melissa Korenblat Hanin, MSW, LCSW
Clinical Social Worker
NPI 1568792539
1040 N MASON RD SUITE 115
Saint Louis, MO 63141
(314) 542-0606
✔ PECOS✔ Accepts MedicareSame address
Kelly Esposito, NP-C
Nurse Practitioner
NPI 1154862225
1040 N MASON RD STE 115
Saint Louis, MO 63141
(314) 542-0606
✔ PECOSSame 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) 26D0867630

Associated Specialists In Medicine PC · Creve Coeur, MO
Active · expires Aug 9, 2028
CLIA Number26D0867630
Laboratory TypePhysician Office
Certificate Effective DateAugust 10, 2026
Certificate Expiration DateAugust 9, 2028
Laboratory DirectorJeffrey P. Tillinghast
Laboratory Phone(314) 542-0606
Laboratory LocationAssociated Specialists In Medicine PC969 N Mason Rd Suite 240, Creve Coeur, MO 63141
CLIA data matches this NPI record on: 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 Associated Specialists In Medicine, PC's NPI number?

The NPI number for Associated Specialists In Medicine, PC is 1306062955. It was assigned to this organization in the NPPES registry on April 18, 2007.

Where is Associated Specialists In Medicine, PC located?

Associated Specialists In Medicine, PC is located at 969 N Mason Rd Ste 240, Saint Louis, MO 63141. The listed phone number is (314) 542-0606.

What is Associated Specialists In Medicine, PC's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Associated Specialists In Medicine, PC enrolled in Medicare?

Yes. Associated Specialists In Medicine, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Associated Specialists In Medicine, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Associated Specialists In Medicine, PC, in Clinical Social Worker, 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, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Associated Specialists In Medicine, PC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 26D0867630) is associated with this NPI, valid through August 9, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Associated Specialists In Medicine, PC accept?

Health plans from Anthem Blue Cross and Blue Shield list Associated Specialists In 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 Associated Specialists In Medicine, PC was last updated on April 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.