Doctor profile · Federal record

Dr. Maro Ohanian, DO

Internal Medicine Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Houston, TX

  • NPI 1841494424
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 Holcombe Blvd, Unit # 425
Houston, TX 770304000
(713) 792-7305
fax (713) 792-4297

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
January 15, 2014
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Texas #BP10026403 · Texas #N2696

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841494424. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
719
Distinct HCPCS
3
Medicare allowed
$93,414
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 448 48 $120
99215 Established patient office or other outpatient visit, 40-54 minutes 260 68 $145
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $184

In context: peer comparison

Among 393 peers in this city , average services per provider: 127. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$155
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
PharmaEssentia USA Corporation 2 $54.43
AstraZeneca Pharmaceuticals LP 1 $28.91
PFIZER INC. 1 $26.61
SOBI, INC 1 $26.27
Invivyd Inc 1 $18.80

By nature of payment

Food and Beverage
$155

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
39
Patients
0
Total drug cost
$62,112
Drug Type Claims Patients Total cost
Venclexta (Venetoclax) Brand 27 0 $62,035
Levofloxacin Generic 12 0 $78

Frequently asked questions

Auto-generated from federal data
What is Dr. Maro Ohanian's medical specialty?
Dr. Maro Ohanian practices Internal Medicine Physician in Houston, TX.
Where does Dr. Maro Ohanian practice?
Dr. Maro Ohanian practices at 1515 Holcombe Blvd, Houston, TX 770304000. Office phone: 7137927305.
What is Dr. Maro Ohanian's NPI?
Dr. Maro Ohanian's National Provider Identifier (NPI) is 1841494424, issued by NPPES.
Does Dr. Maro Ohanian accept Medicare assignment?
Yes. Dr. Maro Ohanian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maro Ohanian commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.