Mary Holmes, BS
NPI 1073666459 · Addiction (Substance Use Disorder) Counselor · Chester, PA
Mary Holmes, BS is a Addiction (Substance Use Disorder) Counselor provider in Chester, PA (NPI 1073666459).
Provider details
- NPI number
- 1073666459
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- BS
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
83% 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
- 2007-01-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Holmes's NPI number?
- Mary Holmes's National Provider Identifier (NPI) is 1073666459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Holmes's specialty?
- Mary Holmes is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Mary Holmes located?
- Mary Holmes's practice location on file with NPPES is 2600 W 9th St, Chester, PA 19013-2040.
- What is Mary Holmes's phone number?
- The practice phone number listed in the NPPES registry for Mary Holmes is (610) 497-7200.
- Is Mary Holmes's NPI active?
- Yes — Mary Holmes's NPI (1073666459) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.