Diem Ha, DPT
NPI 1821246174 · Physical Therapist · Boston, MA
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diem Ha, DPT is a Physical Therapist provider in Boston, MA (NPI 1821246174).
Provider details
- NPI number
- 1821246174
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- DPT
- Sex
- Female
- Sole proprietor
- No
- License
- 18407 (MA)
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
17 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
3,904 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 | 1,208 | $22 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 1,071 | $29 |
| Electrical Stimulation (unattended), to One Or More Areas for Indication(s) Other Than Wound Care, As Part of a Therapy Plan of CareG0283 | 516 | $10 |
| Application of Ultrasound, Each 15 Minutes97035 | 412 | $11 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 362 | $35 |
| Therapy Procedure Using Functional Activities97530 | 220 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-08-28
- Last updated
- 2008-08-28
Frequently asked questions
- What is Diem Ha's NPI number?
- Diem Ha's National Provider Identifier (NPI) is 1821246174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diem Ha's specialty?
- Diem Ha is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Diem Ha located?
- Diem Ha's practice location on file with NPPES is 28 Atlantic Ave, Boston, MA 02110-3802.
- What is Diem Ha's phone number?
- The practice phone number listed in the NPPES registry for Diem Ha is (617) 523-2766.
- Does Diem Ha accept Medicare?
- Diem Ha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diem Ha's NPI active?
- Yes — Diem Ha's NPI (1821246174) is active in the NPPES registry as of the last update on 2008-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.