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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: October 25, 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, 2028 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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians, nearest first (3)

Shruthi Bellapu, M.D.
Infectious Disease
NPI 1508009200
12126 HERITAGE PARK CIR
Silver Spring, MD 20906
(301) 460-6664
✔ PECOS✔ Accepts MedicareSame address
Ramani Reddy, MD
Internal Medicine
NPI 1497749592
12126 HERITAGE PARK CIR
Silver Spring, MD 20906
(301) 460-6646
✔ PECOS✔ Accepts MedicareSame address
John Mcneil, M.D.
Internal Medicine
NPI 1407828254
12126 HERITAGE PARK CIR
Silver Spring, MD 20906
(301) 460-6664
✔ 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) 21D0213591

Maximed Associates PC · Silver Spring, MD
Active · expires Aug 31, 2028
CLIA Number21D0213591
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2026
Certificate Expiration DateAugust 31, 2028
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.

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.

Is Maximed Associates Inc. enrolled in Medicare?

Yes. Maximed Associates Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Maximed Associates Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Maximed Associates Inc., in Infectious Disease and Internal Medicine. 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.

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, 2028. 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 9 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.