Doctor profile · Federal record

Dr. Martin Ollenschleger, M.D.

Neuroradiology Physician (CMS: Interventional Radiology) · Neuroradiology Physician · Neurology Physician · Diagnostic Radiology Physician · Neurology Physician · Vascular & Interventional Radiology Physician · Diagnostic Radiology Physician · Hartford, CT

  • NPI 1407053655
  • Accepts Medicare
  • MIPS 75.4 / 100 · 2023
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
85 Seymour St, Suite 200
Hartford, CT 061065501
(860) 293-6053
fax (860) 293-6060

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
September 15, 2011
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
2085N0700X — NUCC code
State licenses (2)
Connecticut #48892 · New York #234067
Medicaid
NY #03103495

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407053655. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
47
Distinct HCPCS
3
Medicare allowed
$8,709
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 16 15 $70
99213 Established patient office or other outpatient visit, 20-29 minutes 16 14 $70
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 15 13 $432

In context: peer comparison

Among 2 peers in this city , average services per provider: 482. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Imperative Care, Inc 2 $34.72

By nature of payment

Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
59
Patients
0
Total drug cost
$851
Drug Type Claims Patients Total cost
Clopidogrel (Clopidogrel Bisulfate) Brand 33 0 $470
Citalopram Hbr (Citalopram Hydrobromide) Brand 13 0 $21
Topiramate Generic 13 0 $360

Frequently asked questions

Auto-generated from federal data
What is Dr. Martin Ollenschleger's medical specialty?
Dr. Martin Ollenschleger practices Neuroradiology Physician in Hartford, CT.
Where does Dr. Martin Ollenschleger practice?
Dr. Martin Ollenschleger practices at 85 Seymour St, Hartford, CT 061065501. Office phone: 8602936053.
What is Dr. Martin Ollenschleger's NPI?
Dr. Martin Ollenschleger's National Provider Identifier (NPI) is 1407053655, issued by NPPES.
Does Dr. Martin Ollenschleger accept Medicare assignment?
Yes. Dr. Martin Ollenschleger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Martin Ollenschleger commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99213); Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist (HCPCS 36224). Source: CMS Medicare Physician & Other Practitioners file.