Mark Zajac, P.T.
NPI 1528037934 · Physical Therapist · Hilton Head, SC
Mark Zajac, P.T. is a Physical Therapist provider in Hilton Head, SC (NPI 1528037934).
Provider details
- NPI number
- 1528037934
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- P.T.
- Sex
- Male
- Sole proprietor
- No
- License
- 24066 (MA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
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
20 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
123 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 to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 54 | $30 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 41 | $21 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 28 | $23 |
Typical Medicare-allowed amounts for these services range $21–$30 (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
- 2006-03-16
- Last updated
- 2025-11-04
- Certified
- 2025-11-04
Frequently asked questions
- What is Mark Zajac's NPI number?
- Mark Zajac's National Provider Identifier (NPI) is 1528037934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Zajac's specialty?
- Mark Zajac is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mark Zajac located?
- Mark Zajac's practice location on file with NPPES is 890 William Hilton Pkwy Ste 108-C, Hilton Head, SC 29928-3418.
- What is Mark Zajac's phone number?
- The practice phone number listed in the NPPES registry for Mark Zajac is (843) 705-2572.
- Is Mark Zajac's NPI active?
- Yes — Mark Zajac's NPI (1528037934) is active in the NPPES registry as of the last update on 2025-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.