Doctor profile · Federal record

Dr. Maria Oliva-Hemker, M.D.

Pediatric Gastroenterology Physician · Baltimore, MD

  • NPI 1306890801
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
601 N Caroline St
Baltimore, MD 212870006
(410) 955-8769
Mailing address
Po Box 64316
Baltimore, MD 212644316

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 5, 2014
Specialty taxonomy
2080P0206X — NUCC code
State license (1)
Maryland #D39176
Medicaid
MD #0070451200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306890801. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Qol Medical, LLC 1 $22.63
Abbvie INC. 1 $17.28

By nature of payment

Food and Beverage
$40

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Oliva-Hemker's medical specialty?
Dr. Maria Oliva-Hemker practices Pediatric Gastroenterology Physician in Baltimore, MD.
Where does Dr. Maria Oliva-Hemker practice?
Dr. Maria Oliva-Hemker practices at 601 N Caroline St, Baltimore, MD 212870006. Office phone: 4109558769.
What is Dr. Maria Oliva-Hemker's NPI?
Dr. Maria Oliva-Hemker's National Provider Identifier (NPI) is 1306890801, issued by NPPES.