Doctor profile · Federal record

Dr. Ihsan Haq, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Specialist · Findlay, OH

  • NPI 1891789335
  • Accepts Medicare
  • 47 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3949 North Main Street, Suite C
Findlay, OH 45840
(419) 429-1300
fax (419) 429-1304

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
January 8, 2016
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Ohio #35080907 · Michigan #4301072513
Medicaid (2)
MI #4778583 · OH #2143746

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891789335. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
531
Distinct HCPCS
5
Medicare allowed
$51,901
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 364 180 $94
99213 Established patient office or other outpatient visit, 20-29 minutes 74 68 $64
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $128
99215 Established patient office or other outpatient visit, 40-54 minutes 35 24 $138
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $174

In context: peer comparison

Among 3 peers in this city , average services per provider: 128. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,656
Transactions
41
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, Inc. 4 $291.87
Eisai Inc. 3 $184.05
EMD Serono, Inc. 2 $140.81
SOBI, INC 2 $137.95
AstraZeneca Pharmaceuticals LP 4 $98.26
Janssen Biotech, Inc. 3 $85.01
Merck Sharp & Dohme LLC 2 $81.90
Astellas Pharma US Inc 4 $81.30
PUMA BIOTECHNOLOGY, INC. 4 $76.80
Daiichi Sankyo Inc. 3 $73.87
ABBVIE INC. 3 $61.85
Novartis Pharmaceuticals Corporation 2 $53.89
PFIZER INC. 2 $37.07
Celgene Corporation 2 $28.94
TerSera Therapeutics LLC 1 $22.83

By nature of payment

Food and Beverage
$1,639
Education
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
617
Patients
163
Total drug cost
$999,979
Drug Type Claims Patients Total cost
Anastrozole Generic 107 31 $2,048
Prednisone Generic 57 15 $369
Letrozole Generic 55 21 $1,687
Abiraterone Acetate Generic 48 0 $248,273
Imbruvica (Ibrutinib) Brand 44 0 $700,524
Levothyroxine Sodium Generic 43 0 $401
Acyclovir Generic 40 0 $437
Dexamethasone Generic 39 16 $423
Ondansetron Hcl Generic 36 25 $603
Eliquis (Apixaban) Brand 35 11 $24,345

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ihsan Haq's medical specialty?
Dr. Ihsan Haq practices Hematology & Oncology Physician in Findlay, OH.
Where does Dr. Ihsan Haq practice?
Dr. Ihsan Haq practices at 3949 North Main Street, Findlay, OH 45840. Office phone: 4194291300.
What is Dr. Ihsan Haq's NPI?
Dr. Ihsan Haq's National Provider Identifier (NPI) is 1891789335, issued by NPPES.
Does Dr. Ihsan Haq accept Medicare assignment?
Yes. Dr. Ihsan Haq accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ihsan Haq commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.