MELMARK, INC.
MELMARK, INC. is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1861568107, based in Berwyn, PA. The organization lists 15 taxonomy classifications, with Intellectual and/or Developmental Disabilities Residential Treatment Facility recorded as primary.
Getting there
The practice address on file is 2600 WAYLAND RD, Berwyn, PA 19312. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 123940 | PA | Intellectual and/or Developmental… primary |
| 123940 | PA | Psychiatric Residential Treatment Facility |
This provider holds licence 123940 issued in PA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What Residential Treatment Facility, Intellectual and/or Developmental Disabilities covers
A residential facility that provides habilitation services and other care and treatment to adults or children diagnosed with developmental and intellectual disabilities and are not able to live independently. NUCC Health Care Provider Taxonomy, code 320600000X
All registered taxonomy codes
This provider registers 15 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 320600000X | Intellectual and/or Developmental Disabilities Residential Treatment Facility | 123940 | PA | primary |
| 207Q00000X | Family Medicine Physician | — | PA | |
| 363LP0808X | Psychiatric/Mental Health Nurse Practitioner Psychiatric/Mental Health | — | PA | |
| 363L00000X | Nurse Practitioner | — | — | |
| 225100000X | Physical Therapist | — | — | |
| 163W00000X | Registered Nurse | — | — | |
| 315P00000X | Intellectual Disabilities Intermediate Care Facility | — | — | |
| 320900000X | Intellectual and/or Developmental Disabilities Community Based Residential Treatment Facility | — | — | |
| 164W00000X | Licensed Practical Nurse | — | — | |
| 2084P0804X | Child & Adolescent Psychiatry Physician Child & Adolescent Psychiatry | — | PA | |
| 235Z00000X | Speech-Language Pathologist | — | PA | |
| 323P00000X | Psychiatric Residential Treatment Facility | 123940 | PA | |
| 225X00000X | Occupational Therapist | — | — | |
| 261QD1600X | Developmental Disabilities Clinic/Center Developmental Disabilities | — | — | |
| 251C00000X | Developmentally Disabled Services Day Training Agency | — | — |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1861568107 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Nov 28, 2006 |
| Last updated | Dec 9, 2025 |
| Status | Active |
| Practice address |
2600 WAYLAND RD Berwyn, PA 19312 (610) 353-1726 Fax (610) 353-4956 |
| Other identifiers |
100002358
· Medicaid (PA) |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 8 | 6 | 1 | 5 | 6 | 8 | 1 | 0 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 8 | 3 | 1 | 1 | 6 | 7 | 1 | 0 |
Sum = 53 · next multiple of 10 = 60 · check digit = 7 · actual last digit = 7
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.