Dr Geralyn C O'reilly, MD - Medicare Obstetrics/gynecology in Baltimore, MD

Dr Geralyn C O'reilly, MD is a medicare enrolled "Obstetrics & Gynecology - Maternal & Fetal Medicine" physician in Baltimore, Maryland. She went to New York Medical College and graduated in 1994 and has 30 years of diverse experience with area of expertise as Obstetrics/gynecology. She is a member of the group practice St Paul Place Specialists, Inc., University Of Maryland Obstetrical And Gynecological Associates Pa and her current practice location is 2401 W Belvedere Ave, Blause, Baltimore, Maryland. You can reach out to her office (for appointments etc.) via phone at (410) 601-6370.

Dr Geralyn C O'reilly is licensed to practice in Maryland (license number D0065235) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1548348485.

Contact Information

Dr Geralyn C O'reilly, MD
2401 W Belvedere Ave, Blause,
Baltimore, MD 21215-5216
(410) 601-6370
(410) 601-9444

Map and Direction




Physician's Profile

Full NameDr Geralyn C O'reilly
GenderFemale
SpecialityObstetrics/gynecology
Experience30 Years
Location2401 W Belvedere Ave, Baltimore, Maryland
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Geralyn C O'reilly attended and graduated from New York Medical College in 1994
  NPI Data:
  • NPI Number: 1548348485
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 10/18/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 4789786344
  • Enrollment ID: I20070228000281

Medical Identifiers

Medical identifiers for Dr Geralyn C O'reilly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1548348485NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology D0065235 (Maryland)Secondary
207VM0101XObstetrics & Gynecology - Maternal & Fetal Medicine D0065235 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Maryland Medical CenterBaltimore, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
St Paul Place Specialists, Inc.7719882943271
University Of Maryland Obstetrical And Gynecological Associates Pa882008336339

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Geralyn C O'reilly allows following entities to bill medicare on her behalf.
Entity NameSinai Hospital Of Baltimore, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043235666
PECOS PAC ID: 0941112346
Enrollment ID: O20031104000353
Entity NameSt Paul Place Specialists, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871549196
PECOS PAC ID: 7719882943
Enrollment ID: O20031202000084
Entity NameUniversity Of Maryland Obstetrical And Gynecological Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144252990
PECOS PAC ID: 8820083363
Enrollment ID: O20040415000691

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Geralyn C O'reilly is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Geralyn C O'reilly, MD
2401 W Belvedere Ave, Attn: Credentialing,
Baltimore, MD 21215-5216

Ph: (410) 601-5524
Dr Geralyn C O'reilly, MD
2401 W Belvedere Ave, Blause,
Baltimore, MD 21215-5216

Ph: (410) 601-6370

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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