npidata.org Sign in
Products
Provider RadarWatch an area and specialty — weekly alerts on new cliniciansPractice RadarWeekly alerts when new organisations register nearbySpecialtiesEvery NUCC taxonomy, with counts by state and cityStatesProvider counts and breakdowns for all 50 statesPhysician listsMDs and DOs with addresses and phone numbersNP listsNurse practitioners, the fastest-growing groupAPIJSON, delta feed, free tier
Use cases
Healthcare sales prospectingPhysician recruiting and locum staffingMedical device sales territory planningCredentialing and provider verificationHealthcare marketing lists and audience buildingPharmaceutical sales and prescriber targeting
Account
Start freeThree radars and an export a month Sign in Pricing
Explore
Data Labs API
About
About usTermsPrivacyContact us

Search › Maryland › 207RX0202X

Brian O'Connor, MD

NPI 1174515050 · on the registry since 2005

Practice

Address
1562 Opossumtown Pike
Frederick, MD 21702
Phone
(301) 662-8477
Organisation at this address
Gagnon Oncology, Llc
Frederick Health Hospital Inc
Frederick Health Hospital Inc
Frederick Health Hospital Inc
Frederick Health Hospital Inc
Inferred from a shared address, not stated in the registry.
Clinicians at this address
69

Additional practice sites

  • 501 W 7th St, Frederick, MD

Registry record

Primary taxonomy
207RX0202X
207RX0202X
Also registered as
207RH0003X
Licence states on file
MD
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2019-05-15

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Maryland