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MARYLAND INTERNAL MEDICINE, INC.
NPI 1750615423
Internal Medicine in Silver Spring, MD

Active since September 28, 2009CLIA 21D2330820 · Waiver
12210 PLUM ORCHARD DR STE 212, SILVER SPRING, MD 20904(301) 593-6844(301) 593-3832 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 28, 2026, Sep 10, 2025 (2 updates tracked since 2025).

About Maryland Internal Medicine, Inc. NPPES

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

MARYLAND INTERNAL MEDICINE, INC. (NPI 1750615423) is a healthcare organization registered as an internal medicine in Silver Spring, Maryland and active in the NPI registry since September 2009. The organization holds a CLIA Waiver certificate valid through September 22, 2027 and lists Sean S Saedi, President, as its authorized official.

NPPES Registry Identity

NPI1750615423
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMARYLAND INTERNAL MEDICINE, INC.
Location Address12210 PLUM ORCHARD DR STE 212Silver Spring, MD 20904-7913
Mailing Address12210 Plum Orchard Dr Ste 212Silver Spring, MD 20904-7913 · (301) 593-6844 · Fax (301) 593-3832
Phone(301) 593-6844
Fax(301) 593-3832
Organization SubpartNo
Authorized OfficialSean S SaediPresident · (301) 685-6623
Enumeration DateSeptember 28, 2009
Last NPPES UpdateJuly 28, 20262 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1750615423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
12210 PLUM ORCHARD DR STE 212, Silver Spring, MD 20904
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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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maryland Internal Medicine, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to Maryland Internal Medicine, Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Michael Leibowitz, M.D.
Internal Medicine
NPI 1235119447
12210 PLUM ORCHARD DRIVE, SUITE 212
Silver Spring, MD 20904
(301) 593-6844
✔ PECOS✔ Accepts MedicareSame address
Sean Saedi, M. D.
Internal Medicine
NPI 1003896234
12210 PLUM ORCHARD DRIVE, SUITE 212
Silver Spring, MD 20904
(301) 593-6844
✔ PECOS✔ Accepts MedicareSame address
Juliana Navarro, CRNP
Nurse Practitioner
NPI 1134877517
11120 NEW HAMPSHIRE AVE STE 305
Silver Spring, MD 20904
(301) 593-6844
✔ PECOS2.3 mi
Chetna Kansangra, LD
Registered Dietitian or Nutrition Professional
NPI 1427176635
414 MAIN ST
Laurel, MD 20707
(301) 802-3922
✔ Accepts Medicare6.7 mi
Orchid Mesias, NP
Nurse Practitioner
NPI 1710627880
2702 BACK ACRE CIR STE 290B
Mount Airy, MD 21771
(301) 703-8767
✔ PECOS✔ Accepts Medicare23 mi
Babak Kazemi Nia
Internal Medicine
NPI 1659784205
750 BRUNSWICK AVE
Trenton, NJ 08638
(609) 394-6031
✔ PECOS✔ Accepts Medicare143 mi

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 of Waiver 21D2330820

Maryland Internal Medicine Inc · Silver Spring, MD
Active · expires Sep 22, 2027
CLIA Number21D2330820
Laboratory TypePhysician Office
Certificate Effective DateSeptember 23, 2025
Certificate Expiration DateSeptember 22, 2027
Laboratory DirectorSean Saedi
Laboratory Phone(301) 593-6844
Laboratory LocationMaryland Internal Medicine Inc12210 Plum Orchard Dr Suite 212, Silver Spring, MD 20904
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only 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 Maryland Internal Medicine, Inc.'s NPI number?

The NPI number for Maryland Internal Medicine, Inc. is 1750615423. It was assigned to this organization in the NPPES registry on September 28, 2009.

Where is Maryland Internal Medicine, Inc. located?

Maryland Internal Medicine, Inc. is located at 12210 Plum Orchard Dr Ste 212, Silver Spring, MD 20904. The listed phone number is (301) 593-6844.

What is Maryland Internal Medicine, Inc.'s specialty?

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

Is Maryland Internal Medicine, Inc. enrolled in Medicare?

Yes. Maryland Internal Medicine, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Maryland Internal Medicine, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 3 Medicare specialties reassign their Medicare billing to Maryland Internal Medicine, Inc.. 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 Internal Medicine (3), Nurse Practitioner (2) and Registered Dietitian or Nutrition Professional (1). Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Maryland Internal Medicine, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 21D2330820) is associated with this NPI, valid through September 22, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Maryland Internal Medicine, Inc. was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.