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Clinical Psychologist

Denise M. Stillman

Sees patients in Knoxville, TN · Tennessee

Summary

Denise M. Stillman is a clinical psychologist at 2607 Kingston Pike, Suite 250, Knoxville, TN 37919. Phone: (865) 264-2400. Accepts Medicare assignment. In 2024, Denise M. Stillman had 17 Original Medicare patients and 384 services. NPI 1902837297. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Clinical psychologist
  • Address: 2607 Kingston Pike, Suite 250, Knoxville, TN 37919 · Directions (1 more location)
  • Phone: (865) 264‑2400
  • Medicare: Accepts Medicare assignment
  • Group practice: Behavioral Medicine Institute PC
  • School: graduated 1991
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Denise M. Stillman, 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 Denise M. Stillman accept Medicare assignment?
Yes. Medicare's clinician data says Denise M. Stillman 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 Denise M. Stillman see?
In 2024, CMS data shows 17 Original Medicare patients and 384 services for Denise M. Stillman. This counts Original Medicare only and measures volume, not quality.
What is Denise M. Stillman's NPI number?
1902837297. 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 Denise M. Stillman, 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 patients17
Services billed to Medicare384
Different services or procedures2
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Psychotherapy, 45 minutes (90834)381 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%
  • Anxiety75%

Practice locations

Addresses where Denise M. Stillman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Denise M. Stillman as a member of this group (CMS data updated October 2, 2026).

  • Behavioral Medicine Institute PC21 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, Tennessee →

Other clinical psychologists in Knoxville

Clinicians with the same Medicare primary specialty in Knoxville, TN — not a recommendation.

All clinical psychologists in Knoxville →

Other clinicians in Behavioral Medicine Institute PC

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

Clinician information

Graduation year1991
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1902837297
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians