OrganizationActive
John J. O'Connor MD PC
NPI 1265603021 · Surgery Physician · Rockville, MD
John J. O'Connor MD PC is a Surgery Physician organization in Rockville, MD (NPI 1265603021).
Provider details
- NPI number
- 1265603021
- Entity type
- Organization
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John O'Connor, President(301) 881-5167
- License
- D0009499 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
11125 Rockville Pike
Suite 308
Rockville, MD 20852-3142
Phone: (301) 881-5167
Fax: (301) 881-3473
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 341589
Bethesda, MD 20827-1589
Registry dates
- Enumerated
- 2008-03-19
- Last updated
- 2008-03-19
Frequently asked questions
- What is John J. O'Connor MD PC's NPI number?
- John J. O'Connor MD PC's National Provider Identifier (NPI) is 1265603021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John J. O'Connor MD PC?
- John J. O'Connor MD PC is classified in the NPPES registry as Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John J. O'Connor MD PC located?
- John J. O'Connor MD PC's practice location on file with NPPES is 11125 Rockville Pike, Rockville, MD 20852-3142.
- What is John J. O'Connor MD PC's phone number?
- The practice phone number listed in the NPPES registry for John J. O'Connor MD PC is (301) 881-5167.
- Who is the authorized official for John J. O'Connor MD PC?
- The authorized official listed on John J. O'Connor MD PC's NPPES record is John O'Connor, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John J. O'Connor MD PC's NPI active?
- Yes — John J. O'Connor MD PC's NPI (1265603021) is active in the NPPES registry as of the last update on 2008-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.