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Family Practice

Seenamma Machireddy, MD

Works at hospitals in Durham, NC · North Carolina

Summary

Dr. Seenamma Machireddy, MD is a family doctor at 1821 Hillandale Rd, Suite 24b, Durham, NC 27705. Phone: (919) 383-5437. Accepts Medicare assignment. In 2024, Seenamma Machireddy had 199 Original Medicare patients and 510 services. NPI 1881901916. 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: 1821 Hillandale Rd, Suite 24b, Durham, NC 27705 · Directions (1 more location)
  • Phone: (919) 383‑5437
  • Medicare: Accepts Medicare assignment
  • Hospitals: Duke Regional Hospital, Duke University Hospital
  • Group practice: Duke University Affiliated Physicians, Inc.
  • Medical school: graduated 2007 (19 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Seenamma Machireddy, 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 Seenamma Machireddy accept Medicare assignment?
Yes. Medicare's clinician data says Seenamma Machireddy 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 Seenamma Machireddy see?
In 2024, CMS data shows 199 Original Medicare patients and 510 services for Seenamma Machireddy. This counts Original Medicare only and measures volume, not quality.
What is Seenamma Machireddy's NPI number?
1881901916. 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 Seenamma Machireddy, 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 patients199
Services billed to Medicare510
Different services or procedures36
Participating Medicare providerYes
Average age of these patients70

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)118 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)114 services
  3. Insertion of needle into vein for collection of blood sample (36415)53 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)43 services
  5. Administration of influenza virus vaccine (G0008)17 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 pressure57%
  • High cholesterol56%
  • Arthritis44%
  • Anxiety26%
  • Depression22%
  • Diabetes19%

Hospitals where Seenamma Machireddy works

Medicare's Facility Affiliation Data lists Seenamma Machireddy 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.

  • Duke Regional HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340155
  • Duke University HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340030

Practice locations

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

Group practices

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

  • Duke University Affiliated Physicians, Inc.458 clinicians in the group

Specialties

Find other Family Practice doctors in North Carolina →

Other family doctors in Durham

Clinicians with the same Medicare primary specialty in Durham, NC — not a recommendation.

All family doctors in Durham →

Other clinicians in Duke University Affiliated Physicians, Inc.

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

Clinician information

CredentialMD
Graduation year2007 (19 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1881901916
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