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MAXIMED ASSOCIATES INC.
NPI 1730304718
Internal Medicine - Infectious Disease in Silver Spring, MD

Active since April 16, 2007CLIA 21D0213591 · Microscopy
12126 HERITAGE PARK CIR, SILVER SPRING, MD 20906(301) 460-6664(301) 460-7867 Get Directions Write a Review

NPPES record last updated: January 23, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Maximed Associates Inc. NPPES

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

MAXIMED ASSOCIATES INC. (NPI 1730304718) is a healthcare organization registered as an infectious disease in Silver Spring, Maryland and active in the NPI registry since April 2007. The organization holds a CLIA Microscopy certificate valid through August 31, 2026 and lists John Ian Mcneil, President, as its authorized official.

NPPES Registry Identity

NPI1730304718
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameMAXIMED ASSOCIATES INC.
Location Address12126 HERITAGE PARK CIRSilver Spring, MD 20906-4554
Mailing Address12126 Heritage Park CirSilver Spring, MD 20906-4554 · (301) 460-6664 · Fax (877) 919-2471
Phone(301) 460-6664
Fax(301) 460-7867
Organization SubpartNo
Authorized OfficialJohn Ian McneilPresident · (301) 460-6664
Enumeration DateApril 16, 2007
Last NPPES UpdateJanuary 23, 2026
NPPES CertifiedJanuary 23, 2026
✔ NPI 1730304718 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses✔ Licensed in MD · D0046584✔ Licensed in MD · D0060089
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License D0060089 (MD), D0046584 (MD)
12126 HERITAGE PARK CIR, Silver Spring, MD 20906
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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

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) 21D0213591

Maximed Associates PC · Silver Spring, MD
Active · expires Aug 31, 2026
CLIA Number21D0213591
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorJohn I. Mcneil MD
Laboratory Phone(301) 460-6664
Laboratory LocationMaximed Associates PC12126 Heritage Park Circle, Silver Spring, MD 20908
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.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JOHN IAN MCNEIL M.D.
Internal Medicine (Infectious Disease)
12126 HERITAGE PARK CIR
SILVER SPRING, MD 20906
Montgomery County (301) 460-6664
DR. RAMANI B REDDY MD
Internal Medicine (Infectious Disease)
12126 HERITAGE PARK CIR
SILVER SPRING, MD 20906
Montgomery County (301) 460-6646
DR. SHRUTHI BELLAPU M.D.
Internal Medicine (Infectious Disease)
12126 HERITAGE PARK CIR
SILVER SPRING, MD 20906
Montgomery County (301) 460-6664

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 Maximed Associates Inc.'s NPI number?

The NPI number for Maximed Associates Inc. is 1730304718. It was assigned to this organization in the NPPES registry on April 16, 2007.

Where is Maximed Associates Inc. located?

Maximed Associates Inc. is located at 12126 Heritage Park Cir, Silver Spring, MD 20906. The listed phone number is (301) 460-6664.

What is Maximed Associates Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Does Maximed Associates Inc. hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 21D0213591) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Maximed Associates Inc. was last updated on January 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.