Bonnie Markham, PHD, PSYD
NPI 1780721324 · Psychologist · Metuchen, NJ
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bonnie Markham, PHD, PSYD is a Psychologist provider in Metuchen, NJ (NPI 1780721324).
Provider details
- NPI number
- 1780721324
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD, PSYD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 35SI00188500 (NJ)
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
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
- 2007-01-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Bonnie Markham's NPI number?
- Bonnie Markham's National Provider Identifier (NPI) is 1780721324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bonnie Markham's specialty?
- Bonnie Markham is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Bonnie Markham located?
- Bonnie Markham's practice location on file with NPPES is 52 Pearl St, Metuchen, NJ 08840-1831.
- What is Bonnie Markham's phone number?
- The practice phone number listed in the NPPES registry for Bonnie Markham is (732) 494-5471.
- Does Bonnie Markham accept Medicare?
- Bonnie Markham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bonnie Markham's NPI active?
- Yes — Bonnie Markham's NPI (1780721324) 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.