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Internal Medicine

Gunjan Antaal Mann

Works at hospitals in Durham, NC · North Carolina

Summary

Gunjan Antaal Mann is an internal medicine doctor at 3400 Wake Forest Rd, Raleigh, NC 27609. Phone: (919) 954-3965. Accepts Medicare assignment. In 2024, Gunjan Antaal Mann had 134 Original Medicare patients and 317 services. NPI 1578806725. 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: 3400 Wake Forest Rd, Raleigh, NC 27609 · Directions
  • Phone: (919) 954‑3965
  • Medicare: Accepts Medicare assignment
  • Hospital: Duke University Hospital
  • Group practice: Duke University Health System, Inc
  • Medical school: graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Gunjan Antaal Mann, 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 Gunjan Antaal Mann accept Medicare assignment?
Yes. Medicare's clinician data says Gunjan Antaal Mann 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 Gunjan Antaal Mann see?
In 2024, CMS data shows 134 Original Medicare patients and 317 services for Gunjan Antaal Mann. This counts Original Medicare only and measures volume, not quality.
What is Gunjan Antaal Mann's NPI number?
1578806725. 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 Gunjan Antaal Mann, 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 patients134
Services billed to Medicare317
Different services or procedures9
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)146 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)85 services
  3. Hospital discharge day management, more than 30 minutes (99239)54 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)15 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%
  • Arthritis56%
  • Chronic kidney disease51%
  • Heart failure48%
  • Ischemic heart disease46%

Hospitals where Gunjan Antaal Mann works

Medicare's Facility Affiliation Data lists Gunjan Antaal Mann 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 Gunjan Antaal Mann is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gunjan Antaal Mann as a member of this group (CMS data updated October 2, 2026).

  • Duke University Health System, Inc1,102 clinicians in the group

Specialties

Find other Internal Medicine doctors in North Carolina →

Other internal medicine doctors in Raleigh

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

All internal medicine doctors in Raleigh →

Other clinicians in Duke University Health System, Inc

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

Clinician information

Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578806725
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