MCPHERSON MEDICAL & DIAGNOSTIC LLC
NPI 1194408054
Clinic/Center in Chesterfield, MO

Active since August 08, 2023CLIA 26D0695579 · Microscopy
16216 BAXTER RD STE 100, CHESTERFIELD, MO 63017(636) 449-4700 Get Directions Write a Review

NPPES record last updated: August 8, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mcpherson Medical & Diagnostic Llc NPPES

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

MCPHERSON MEDICAL & DIAGNOSTIC LLC (NPI 1194408054), doing business as American Medical Missouri, is a healthcare organization registered as a clinic/center in Chesterfield, Missouri and active in the NPI registry since August 2023. The organization holds a CLIA Microscopy certificate valid through November 11, 2027 and lists Abdullah Arshad, Md, as its authorized official.

NPPES Registry Identity

NPI1194408054
Entity TypeOrganization
Primary Taxonomy261Q00000X
Legal Business NameMCPHERSON MEDICAL & DIAGNOSTIC LLC
Location Address16216 BAXTER RD STE 100Chesterfield, MO 63017-4778
Mailing Address16216 Baxter Rd Ste 100Chesterfield, MO 63017-4778 · (636) 449-4700
Organization SubpartNo
Authorized OfficialAbdullah ArshadMd · (573) 724-0083
Enumeration DateAugust 8, 2023
NPPES CertifiedAugust 8, 2023
✔ NPI 1194408054 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities
Taxonomy Code261Q00000X
Definition
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).
16216 BAXTER RD STE 100, Chesterfield, MO 63017

Other Names 1

Doing Business AsAmerican Medical Missouri

Accepted 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)

Mcpherson Medical & Diagnostic Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

116

Medicare enrollment records show 116 clinicians reassign Medicare billing to Mcpherson Medical & Diagnostic LLC, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 10 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 20

Nurse Practitioner77
Family Practice12
Internal Medicine5
Obstetrics/Gynecology4
Clinical Social Worker2
General Surgery2
Anesthesiology1
Cardiovascular Disease (Cardiology)1
12 other specialties12

Nearest to this location (20)

See all 116
Obstetrics/Gynecology
NPI 1326336314
16216 BAXTER RD STE 100
Chesterfield, MO 63017
(636) 449-4700
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1649219569
16216 BAXTER RD SUITE 100
Chesterfield, MO 63017
(636) 449-4700
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1295099653
16216 BAXTER RD
Chesterfield, MO 63017
(573) 339-3591
✔ PECOSSame address
Nurse Practitioner
NPI 1790602449
16216 BAXTER RD STE 100
Chesterfield, MO 63017
(636) 449-4700
✔ PECOSSame address
Internal Medicine
NPI 1932638129
222 S WOODS MILL RD
Chesterfield, MO 63017
(314) 205-6050
✔ PECOS✔ Accepts Medicare3.8 mi
Nurse Practitioner
NPI 1255953907
12680 OLIVE BLVD STE 100
Saint Louis, MO 63141
(314) 251-8900
✔ PECOS✔ Accepts Medicare6.0 mi
Nurse Practitioner
NPI 1275396376
4801 WELDON SPRING PKWY
Weldon Spring, MO 63304
(800) 345-5407
✔ PECOS✔ Accepts Medicare7.6 mi
Nurse Practitioner
NPI 1003514563
4801 WELDON SPRING PKWY
St. Charles, MO 63304
(314) 556-7612
✔ PECOS✔ Accepts Medicare7.6 mi
Podiatry
NPI 1215943105
1011 BOWLES AVENUE SUITE 123
Fenton, MO 63026
(636) 717-1100
✔ PECOS✔ Accepts Medicare9.3 mi
Nurse Practitioner
NPI 1770350811
1551 WALL ST
Saint Charles, MO 63303
(314) 262-1820
✔ PECOS✔ Accepts Medicare9.9 mi
Family Practice
NPI 1558303404
201 FIRST EXECUTIVE AVE
Saint Peters, MO 63376
(636) 441-3322
✔ PECOS✔ Accepts Medicare11 mi
Obstetrics/Gynecology
NPI 1881786960
4200 N CLOVERLEAF DR STE H
St Peters, MO 63376
(636) 928-1800
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1831632165
10345 WATSON ROAD
St. Louis, MO 63127
(314) 384-3584
✔ PECOS✔ Accepts Medicare11 mi
Obstetrics/Gynecology
NPI 1538270624
10345 WATSON RD
St Louis, MO 63127
(314) 965-6033
✔ PECOS✔ Accepts Medicare11 mi
Nurse Practitioner
NPI 1851074959
10345 WATSON RD
Saint Louis, MO 63127
(314) 965-6033
✔ PECOS✔ Accepts Medicare11 mi
Endocrinology
NPI 1407052996
10345 WATSON RD
St. Louis, MO 63127
(314) 384-3584
✔ PECOS✔ Accepts Medicare11 mi
Family Practice
NPI 1588740369
10004 KENNERLY RD SUITE 186B, BUILDING B
Saint Louis, MO 63128
(314) 549-5011
✔ PECOS✔ Accepts Medicare14 mi
Nurse Practitioner
NPI 1336829035
10012 KENNERLY RD STE 406
Saint Louis, MO 63128
(314) 525-1224
✔ PECOS✔ Accepts Medicare14 mi
Internal Medicine
NPI 1184698243
11905 W FLORISSANT AVE
Florissant, MO 63033
(314) 656-8280
✔ PECOS✔ Accepts Medicare19 mi
Family Practice
NPI 1346354693
11125 DUNN RD SUITE 201
Saint Louis, MO 63136
(314) 355-5300
✔ PECOS✔ Accepts Medicare20 mi
See all 116 clinicians

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) 26D0695579

Mcpherson Medical And Diagnostics, LLC Dba St Louis Healthcare Group · Chesterfield, MO
Active · expires Nov 11, 2027
CLIA Number26D0695579
Laboratory TypePhysician Office
Certificate Effective DateNovember 12, 2025
Certificate Expiration DateNovember 11, 2027
Laboratory DirectorRichard C. Muckerman II
Laboratory Phone(636) 449-4700
Laboratory LocationMcpherson Medical And Diagnostics, LLC Dba St Louis Healthcare Group16216 Baxter Road, Ste 100, Chesterfield, MO 63017
CLIA data matches this NPI record on: Address 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 Mcpherson Medical & Diagnostic LLC's NPI number?

The NPI number for Mcpherson Medical & Diagnostic LLC is 1194408054. It was assigned to this organization in the NPPES registry on August 8, 2023. The provider is doing business as American Medical Missouri.

Where is Mcpherson Medical & Diagnostic LLC located?

Mcpherson Medical & Diagnostic LLC is located at 16216 Baxter Rd Ste 100, Chesterfield, MO 63017. The listed phone number is (636) 449-4700.

What is Mcpherson Medical & Diagnostic LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Is Mcpherson Medical & Diagnostic LLC enrolled in Medicare?

Yes. Mcpherson Medical & Diagnostic LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mcpherson Medical & Diagnostic LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 116 clinicians in 20 Medicare specialties reassign their Medicare billing to Mcpherson Medical & Diagnostic 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 Nurse Practitioner (77), Family Practice (12) and Internal Medicine (5). Of these, 4 practice at this address and 10 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Mcpherson Medical & Diagnostic LLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 26D0695579) is associated with this NPI, valid through November 11, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Mcpherson Medical & Diagnostic 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 Mcpherson Medical & Diagnostic 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 Mcpherson Medical & Diagnostic LLC was last updated on August 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.