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Family Practice

Samuel J. Rao, MD

Works at hospitals in Martinsburg, WV · Hagerstown, MD · West Virginia, Maryland

Summary

Dr. Samuel J. Rao, MD is a family doctor at 11110 Medical Campus Rd, Hagerstown, MD 21742. Phone: (301) 582-1150. Accepts Medicare assignment. In 2024, Samuel J. Rao had 541 Original Medicare patients and 2,041 services. NPI 1447361050. 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: Family doctor (Medicare lists Family Practice)
  • Address: 11110 Medical Campus Rd, Hagerstown, MD 21742 · Directions (1 more location)
  • Phone: (301) 582‑1150
  • Medicare: Accepts Medicare assignment
  • Hospitals: Berkeley Medical Center, Meritus Medical Center
  • Group practice: Meritus Medical Center Inc (+1 more)
  • Medical school: Loma Linda University School Of Medicine · graduated 1993 (33 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 Samuel J. Rao, 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 Samuel J. Rao accept Medicare assignment?
Yes. Medicare's clinician data says Samuel J. Rao 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 Samuel J. Rao see?
In 2024, CMS data shows 541 Original Medicare patients and 2,041 services for Samuel J. Rao. This counts Original Medicare only and measures volume, not quality.
What is Samuel J. Rao's NPI number?
1447361050. 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 Samuel J. Rao, 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 patients541
Services billed to Medicare2,041
Different services or procedures41
Participating Medicare providerYes
Average age of these patients73

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)773 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)435 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)165 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)131 services
  5. Administration of influenza virus vaccine (G0008)76 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%
  • Arthritis40%
  • Diabetes37%
  • Chronic kidney disease27%
  • Ischemic heart disease26%

Hospitals where Samuel J. Rao works

Medicare's Facility Affiliation Data lists Samuel J. Rao 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.

Practice locations

Addresses where Samuel J. Rao is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Samuel J. Rao as a member of these groups (CMS data updated October 2, 2026).

  • Meritus Medical Center Inc743 clinicians in the group
  • Medical Practices of Antietam, LLC234 clinicians in the group

Specialties

Find other Family Practice doctors in Maryland →

Other family doctors in Hagerstown

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

All family doctors in Hagerstown →

Other clinicians in Meritus Medical Center Inc

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

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1447361050
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