Doctor profile · Federal record

Dr. Diana Theiss, PH.D., LISW-S

Clinical Social Worker · Social Worker · Sylvania, OH

  • NPI 1265722813
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5800 Monroe St Ste A1
Sylvania, OH 435602208
(419) 276-3556

Credentials & registration

NPPES · NUCC
NPI registered
April 2011 — 15 yrs on file
Profile last updated
March 2, 2023
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State licenses (2)
Ohio #I-0900183-SUPV · Ohio #I.0900183-SUPV
Medicaid
OH #0155198

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265722813. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
166
Distinct HCPCS
1
Medicare allowed
$17,607
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 166 17 $106

In context: peer comparison

Among 2 peers in Sylvania Clinical Social Worker, average services per provider: 75. This provider delivers 2.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Theiss's medical specialty?
Dr. Diana Theiss practices Clinical Social Worker in Sylvania, OH.
Where does Dr. Diana Theiss practice?
Dr. Diana Theiss practices at 5800 Monroe St Ste A1, Sylvania, OH 435602208. Office phone: 4192763556.
What is Dr. Diana Theiss's NPI?
Dr. Diana Theiss's National Provider Identifier (NPI) is 1265722813, issued by NPPES.
Does Dr. Diana Theiss accept Medicare assignment?
Yes. Dr. Diana Theiss accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Theiss commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.