Marianne Markarian, OTR/L CHT
NPI 1538298526 · Occupational Therapist · Northfield, NJ
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marianne Markarian, OTR/L CHT is a Occupational Therapist provider in Northfield, NJ (NPI 1538298526).
Provider details
- NPI number
- 1538298526
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L CHT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 46TR001784 (NJ)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,915 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 882 | $22 |
| Therapy Procedure Using Functional Activities97530 | 795 | $33 |
| Application of Hot Wax Bath97018 | 209 | $4 |
| Evaluation for Occupational Therapy, Typically 45 Minutes97166 | 29 | $106 |
Typical Medicare-allowed amounts for these services range $4–$106 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-05
- Last updated
- 2013-01-11
Frequently asked questions
- What is Marianne Markarian's NPI number?
- Marianne Markarian's National Provider Identifier (NPI) is 1538298526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marianne Markarian's specialty?
- Marianne Markarian is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marianne Markarian located?
- Marianne Markarian's practice location on file with NPPES is 2300 New Rd Ste 101a, Northfield, NJ 08225-1457.
- What is Marianne Markarian's phone number?
- The practice phone number listed in the NPPES registry for Marianne Markarian is (609) 289-5747.
- Does Marianne Markarian accept Medicare?
- Marianne Markarian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marianne Markarian's NPI active?
- Yes — Marianne Markarian's NPI (1538298526) is active in the NPPES registry as of the last update on 2013-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.