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MARIA M OLIVA-HEMKER M.D.
NPI 1306890801
Pediatrics - Pediatric Gastroenterology in Baltimore, MD

Active since May 20, 2006PECOS Enrolled
601 N CAROLINE ST, BALTIMORE, MD 21287(410) 955-8769 Get Directions Write a Review

NPPES record last updated: February 5, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Maria M Oliva-hemker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIA M OLIVA-HEMKER M.D. (NPI 1306890801) is an individual pediatric gastroenterology provider in Baltimore, Maryland, licensed in Maryland (D39176) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306890801
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameMARIA M OLIVA-HEMKERCredential: M.D.
Location Address601 N CAROLINE STBaltimore, MD 21287-0006
Mailing AddressPo Box 64316Baltimore, MD 21264-4316 · (410) 933-1241
Phone(410) 955-8769
Sole ProprietorNo
Enumeration DateMay 20, 2006
Last NPPES UpdateFebruary 5, 2014
✔ NPI 1306890801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in MD · D39176
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
601 N CAROLINE ST, Baltimore, MD 21287
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Other Identifiers 3

Medicare PINKR41MC21MD
Medicare UPINE56051MD
Medicaid0070451200MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria M Oliva-hemker M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ROBERT WISE M.D.
Internal Medicine (Pulmonary Disease)
601 N CAROLINE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-9446
DR. JAMSHID DANAIE M.D.
Radiology (Diagnostic Radiology)
601 N CAROLINE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-9441
HEATHER MAUREEN STARMER S.L.P.
Speech-Language Pathologist
601 N CAROLINE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-1080
SARAH NAKIB MD, MPH
Dermatology
601 N CAROLINE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-8662
AMELIA TENBERG SCHETTINI NP-C
Nurse Practitioner (Adult Health)
601 N CAROLINE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
MR. CHRISTOPHER B FISHER PA-C
Physician Assistant (Surgical)
601 N CAROLINE ST, #5263
BALTIMORE, MD 21287
Baltimore City (410) 955-9551
MRS. MONICA NGAZOIRE BRYANT PA C
Physician Assistant (Medical)
601 N CAROLINE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-3172
DR. DAWN LAPORTE M.D.
Orthopaedic Surgery (Hand Surgery)
601 N CAROLINE ST, RM 5210
BALTIMORE, MD 21287
Baltimore City (410) 955-3134

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria Oliva-hemker's NPI number?

The NPI number for Maria Oliva-hemker is 1306890801. It was assigned to this individual provider in the NPPES registry on May 20, 2006.

Where is Maria Oliva-hemker located?

Maria Oliva-hemker practices at 601 N Caroline St, Baltimore, MD 21287. The listed phone number is (410) 955-8769.

What is Maria Oliva-hemker's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Maria Oliva-hemker enrolled in Medicare?

Yes. Maria Oliva-hemker is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Maria Oliva-hemker was last updated on February 5, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.