Mark Sivieri M.D. P.A.
NPI 1255337002 · Family Medicine Physician · Columbia, MD
Mark Sivieri M.D. P.A. is a Family Medicine Physician organization in Columbia, MD (NPI 1255337002).
Provider details
- NPI number
- 1255337002
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lynn Dudley, Office Manager(410) 312-5280
- License
- D0061704 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-06-27
- Last updated
- 2013-10-18
Frequently asked questions
- What is Mark Sivieri M.D. P.A.'s NPI number?
- Mark Sivieri M.D. P.A.'s National Provider Identifier (NPI) is 1255337002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark Sivieri M.D. P.A.?
- Mark Sivieri M.D. P.A. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Sivieri M.D. P.A. located?
- Mark Sivieri M.D. P.A.'s practice location on file with NPPES is 10005 Old Columbia Rd, Columbia, MD 21046-1702.
- What is Mark Sivieri M.D. P.A.'s phone number?
- The practice phone number listed in the NPPES registry for Mark Sivieri M.D. P.A. is (410) 312-5280.
- Who is the authorized official for Mark Sivieri M.D. P.A.?
- The authorized official listed on Mark Sivieri M.D. P.A.'s NPPES record is Lynn Dudley, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark Sivieri M.D. P.A.'s NPI active?
- Yes — Mark Sivieri M.D. P.A.'s NPI (1255337002) is active in the NPPES registry as of the last update on 2013-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.