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Internal Medicine

Syed Hussaini, MD

Works at hospitals in Leonardtown, MD · Maryland

Summary

Dr. Syed Hussaini, MD is an internal medicine doctor at 24035 Three Notch Rd, Hollywood, MD 20636. Phone: (301) 884-4666. Accepts Medicare assignment. In 2024, Syed Hussaini had 549 Original Medicare patients and 7,920 services. NPI 1235406828. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 24035 Three Notch Rd, Hollywood, MD 20636 · Directions (2 more locations)
  • Phone: (301) 884‑4666
  • Medicare: Accepts Medicare assignment
  • Hospital: MedStar Saint Mary's Hospital
  • Group practice: MedStar Medical Group - Southern Maryland LLC
  • Medical school: graduated 2003 (23 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Syed Hussaini, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Syed Hussaini accept Medicare assignment?
Yes. Medicare's clinician data says Syed Hussaini accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Syed Hussaini see?
In 2024, CMS data shows 549 Original Medicare patients and 7,920 services for Syed Hussaini. This counts Original Medicare only and measures volume, not quality.
What is Syed Hussaini's NPI number?
1235406828. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Syed Hussaini, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients549
Services billed to Medicare7,920
Different services or procedures61
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,347 services
  2. Insertion of needle into vein for collection of blood sample (36415)1,155 services
  3. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)557 services
  4. Blood test, comprehensive group of blood chemicals (80053)555 services
  5. Blood test, lipids (cholesterol and triglycerides) (80061)544 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis75%
  • Anxiety32%
  • Diabetes31%
  • Ischemic heart disease29%

Hospitals where Syed Hussaini works

Medicare's Facility Affiliation Data lists Syed Hussaini at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • MedStar Saint Mary's HospitalLeonardtown, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 210028

Practice locations

Addresses where Syed Hussaini is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Syed Hussaini as a member of this group (CMS data updated October 2, 2026).

  • MedStar Medical Group - Southern Maryland LLC245 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Hollywood

Clinicians with the same Medicare primary specialty in Hollywood, MD — not a recommendation.

All internal medicine doctors in Hollywood →

Other clinicians in MedStar Medical Group - Southern Maryland LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1235406828
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians