Mark T Allen, M.D.
NPI 1265464655 · Orthopaedic Surgery Physician · Philadelphia, PA
Mark T Allen, M.D. is a Orthopaedic Surgery Physician organization in Philadelphia, PA (NPI 1265464655).
Provider details
- NPI number
- 1265464655
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Dolores Bailey, Billing Service(302) 659-5204
- License
- MD038491L (PA)
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
19 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
- 2006-07-07
- Last updated
- 2008-04-07
Frequently asked questions
- What is Mark T Allen, M.D.'s NPI number?
- Mark T Allen, M.D.'s National Provider Identifier (NPI) is 1265464655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark T Allen, M.D.?
- Mark T Allen, M.D. is classified in the NPPES registry as Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark T Allen, M.D. located?
- Mark T Allen, M.D.'s practice location on file with NPPES is 1600 West Girard Avenue, Philadelphia, PA 19130.
- What is Mark T Allen, M.D.'s phone number?
- The practice phone number listed in the NPPES registry for Mark T Allen, M.D. is (215) 787-9344.
- Who is the authorized official for Mark T Allen, M.D.?
- The authorized official listed on Mark T Allen, M.D.'s NPPES record is Dolores Bailey, Billing Service. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark T Allen, M.D.'s NPI active?
- Yes — Mark T Allen, M.D.'s NPI (1265464655) is active in the NPPES registry as of the last update on 2008-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.