Charles Harrison, M.D.
NPI 1528156155 · Pain Medicine Physician · Elkridge, MD
Charles Harrison, M.D. is a Pain Medicine Physician provider in Elkridge, MD (NPI 1528156155).
Provider details
- NPI number
- 1528156155
- Entity type
- Individual
- Primary specialty
- Pain Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0041218 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-10-10
- Last updated
- 2009-09-25
Frequently asked questions
- What is Charles Harrison's NPI number?
- Charles Harrison's National Provider Identifier (NPI) is 1528156155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Harrison's specialty?
- Charles Harrison is listed in the NPPES registry with a primary specialty of Pain Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Harrison located?
- Charles Harrison's practice location on file with NPPES is 6095 Marshalee Dr, Elkridge, MD 21075-6053.
- What is Charles Harrison's phone number?
- The practice phone number listed in the NPPES registry for Charles Harrison is (410) 379-3599.
- Is Charles Harrison's NPI active?
- Yes — Charles Harrison's NPI (1528156155) is active in the NPPES registry as of the last update on 2009-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.