Leslie Markham, CCC-SLP
NPI 1598126708 · Speech-Language Pathologist · Hunt Valley, MD
Leslie Markham, CCC-SLP is a Speech-Language Pathologist provider in Hunt Valley, MD (NPI 1598126708).
Provider details
- NPI number
- 1598126708
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 109556 (MO)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-03-15
- Last updated
- 2020-08-11
- Certified
- 2020-08-11
Frequently asked questions
- What is Leslie Markham's NPI number?
- Leslie Markham's National Provider Identifier (NPI) is 1598126708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Markham's specialty?
- Leslie Markham is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Leslie Markham located?
- Leslie Markham's practice location on file with NPPES is 307 International Cir Ste 100, Hunt Valley, MD 21030-1387.
- What is Leslie Markham's phone number?
- The practice phone number listed in the NPPES registry for Leslie Markham is (877) 508-3237.
- Is Leslie Markham's NPI active?
- Yes — Leslie Markham's NPI (1598126708) is active in the NPPES registry as of the last update on 2020-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.