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Neurosurgery

Thana Theofanis, MD

Works at hospitals in Bryn Mawr, PA · Wynnewood, PA · Paoli, PA … · Pennsylvania

Summary

Dr. Thana Theofanis, MD is a neurosurgeon at 255 W Lancaster Ave, Suite 330, Paoli, PA 19301. Phone: (610) 786-3200. Accepts Medicare assignment. In 2024, Thana Theofanis had 135 Original Medicare patients and 468 services. NPI 1528487329. 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: Neurosurgeon (Medicare lists Neurosurgery)
  • Address: 255 W Lancaster Ave, Suite 330, Paoli, PA 19301 · Directions
  • Phone: (610) 786‑3200
  • Medicare: Accepts Medicare assignment
  • Hospitals: Bryn Mawr Hospital, Main Line Hospital Lankenau, Paoli Hospital and 1 more
  • Group practice: Main Line Healthcare
  • Medical school: Jefferson Medical College Of Thomas Jefferson University · graduated 2014 (12 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Thana Theofanis, 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 Thana Theofanis accept Medicare assignment?
Yes. Medicare's clinician data says Thana Theofanis 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 Thana Theofanis see?
In 2024, CMS data shows 135 Original Medicare patients and 468 services for Thana Theofanis. This counts Original Medicare only and measures volume, not quality.
What is Thana Theofanis's NPI number?
1528487329. 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 Thana Theofanis, 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 patients135
Services billed to Medicare468
Different services or procedures35
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)87 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)58 services
  3. Ultrasonic guidance for blood vessel access (76937)46 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)34 services
  5. Imaging of blood vessel (75898)30 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%
  • Stroke or mini-stroke75%
  • Arthritis56%
  • Ischemic heart disease44%
  • Chronic kidney disease39%

Hospitals where Thana Theofanis works

Medicare's Facility Affiliation Data lists Thana Theofanis 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.

  • Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390139
  • Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195
  • Paoli HospitalPaoli, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390153
  • Riddle Memorial HospitalMedia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390222

Practice locations

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

Group practices

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

  • Main Line Healthcare1,184 clinicians in the group

Specialties

Find other Neurosurgery doctors in Pennsylvania →

Other neurosurgeons in Pennsylvania

Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.

All neurosurgeons in Pennsylvania →

Other clinicians in Main Line Healthcare

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

Clinician information

CredentialMD
Medical schoolJefferson Medical College Of Thomas Jefferson University
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528487329
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