Mary De Guzman, LCSW
NPI 1669011748 · Counselor · Phoenix, AZ
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary De Guzman, LCSW is a Counselor provider in Phoenix, AZ (NPI 1669011748).
Provider details
- NPI number
- 1669011748
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- 17508 (AZ)
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
6 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
- 2020-01-06
- Last updated
- 2020-01-06
- Certified
- 2020-01-06
Frequently asked questions
- What is Mary De Guzman's NPI number?
- Mary De Guzman's National Provider Identifier (NPI) is 1669011748, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary De Guzman's specialty?
- Mary De Guzman is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Mary De Guzman located?
- Mary De Guzman's practice location on file with NPPES is 650 E Indian School Rd, Phoenix, AZ 85012-1839.
- What is Mary De Guzman's phone number?
- The practice phone number listed in the NPPES registry for Mary De Guzman is (602) 277-5551.
- Does Mary De Guzman accept Medicare?
- Mary De Guzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary De Guzman's NPI active?
- Yes — Mary De Guzman's NPI (1669011748) is active in the NPPES registry as of the last update on 2020-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.