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Internal Medicine

Kelly Tanenholz, MD

Works at hospitals in Washington, DC · District of Columbia

Summary

Dr. Kelly Tanenholz, MD is an internal medicine doctor at 1201 Seven Locks Rd, Suite 111, Rockville, MD 20854. Phone: (301) 762-5020. Accepts Medicare assignment. In 2024, Kelly Tanenholz had 365 Original Medicare patients and 6,384 services. NPI 1780688424. 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: 1201 Seven Locks Rd, Suite 111, Rockville, MD 20854 · Directions (4 more locations)
  • Phone: (301) 762‑5020
  • Medicare: Accepts Medicare assignment
  • Hospital: Sibley Memorial Hospital
  • Group practice: Suburban/Nrh Medical Rehabilitation Inc (+1 more)
  • Medical school: Georgetown University School Of Medicine · graduated 1999 (27 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 Kelly Tanenholz, 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 Kelly Tanenholz accept Medicare assignment?
Yes. Medicare's clinician data says Kelly Tanenholz 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 Kelly Tanenholz see?
In 2024, CMS data shows 365 Original Medicare patients and 6,384 services for Kelly Tanenholz. This counts Original Medicare only and measures volume, not quality.
What is Kelly Tanenholz's NPI number?
1780688424. 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 Kelly Tanenholz, 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 patients365
Services billed to Medicare6,384
Different services or procedures75
Participating Medicare providerYes
Average age of these patients75

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)759 services
  2. Insertion of needle into vein for collection of blood sample (36415)608 services
  3. Blood test, comprehensive group of blood chemicals (80053)474 services
  4. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)466 services
  5. 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)436 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 cholesterol75%
  • High blood pressure59%
  • Arthritis44%
  • Osteoporosis27%
  • Anxiety24%
  • Diabetes21%

Hospitals where Kelly Tanenholz works

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

Group practices

Medicare enrollment lists Kelly Tanenholz as a member of these groups (CMS data updated October 2, 2026).

  • Suburban/Nrh Medical Rehabilitation Inc941 clinicians in the group
  • Privia Care Center LLC287 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Rockville

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

All internal medicine doctors in Rockville →

Other clinicians in Suburban/Nrh Medical Rehabilitation Inc

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1780688424
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