Harry Markwell, M.D.
NPI 1235179854 · Hematology & Oncology Physician · Florence, SC
Harry Markwell, M.D. is a Hematology & Oncology Physician provider in Florence, SC (NPI 1235179854).
Provider details
- NPI number
- 1235179854
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 16640 (SC)
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
- 2006-06-08
- Last updated
- 2011-02-15
Frequently asked questions
- What is Harry Markwell's NPI number?
- Harry Markwell's National Provider Identifier (NPI) is 1235179854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harry Markwell's specialty?
- Harry Markwell is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Harry Markwell located?
- Harry Markwell's practice location on file with NPPES is 506 E Cheves St, Florence, SC 29506-2616.
- What is Harry Markwell's phone number?
- The practice phone number listed in the NPPES registry for Harry Markwell is (843) 777-7951.
- Is Harry Markwell's NPI active?
- Yes — Harry Markwell's NPI (1235179854) is active in the NPPES registry as of the last update on 2011-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.