IndividualActive
Charles Marcus
NPI 1497987648 · Specialist · Ambler, PA
Charles Marcus is a Specialist provider in Ambler, PA (NPI 1497987648).
Provider details
- NPI number
- 1497987648
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- F03207 (PA)
Specialties & taxonomies
Other Service Providers
Speech, Language and Hearing Service Providers
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
858 E Welsh Rd
Ambler, PA 19002-2942
Phone: (215) 646-7879
Fax: (215) 646-7371
Street-level locationGet directions
Mailing address
858 E Welsh Rd
Ambler, PA 19002-2942
Registry dates
- Enumerated
- 2009-08-20
- Last updated
- 2026-05-03
- Certified
- 2025-04-21
Frequently asked questions
- What is Charles Marcus's NPI number?
- Charles Marcus's National Provider Identifier (NPI) is 1497987648, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Marcus's specialty?
- Charles Marcus is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Charles Marcus located?
- Charles Marcus's practice location on file with NPPES is 858 E Welsh Rd, Ambler, PA 19002-2942.
- What is Charles Marcus's phone number?
- The practice phone number listed in the NPPES registry for Charles Marcus is (215) 646-7879.
- Is Charles Marcus's NPI active?
- Yes — Charles Marcus's NPI (1497987648) is active in the NPPES registry as of the last update on 2026-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.