Harold Mermelstein, LPC
NPI 1437506953 · Mental Health Counselor · Santa Fe, NM
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Mermelstein, LPC is a Mental Health Counselor provider in Santa Fe, NM (NPI 1437506953).
Provider details
- NPI number
- 1437506953
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0065892 (NM)
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
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
- 2016-05-16
- Last updated
- 2016-05-16
Frequently asked questions
- What is Harold Mermelstein's NPI number?
- Harold Mermelstein's National Provider Identifier (NPI) is 1437506953, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Mermelstein's specialty?
- Harold Mermelstein is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Harold Mermelstein located?
- Harold Mermelstein's practice location on file with NPPES is 2325 Cerrillos Rd, Santa Fe, NM 87505-3373.
- What is Harold Mermelstein's phone number?
- The practice phone number listed in the NPPES registry for Harold Mermelstein is (505) 438-0010.
- Does Harold Mermelstein accept Medicare?
- Harold Mermelstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Mermelstein's NPI active?
- Yes — Harold Mermelstein's NPI (1437506953) is active in the NPPES registry as of the last update on 2016-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.