Gregory Wai, D.O.
NPI 1467943902 · Physical Medicine & Rehabilitation Physician · French Camp, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Wai, D.O. is a Physical Medicine & Rehabilitation Physician provider in French Camp, CA (NPI 1467943902).
Provider details
- NPI number
- 1467943902
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A17640 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 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
2,921 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 1,479 | $122 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 749 | $31 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 301 | $75 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 252 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 121 | $179 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 35 | 35 |
| Amlodipine Besylate | 27 | 27 |
| Pantoprazole Sodium | 20 | 20 |
| Losartan Potassium | 19 | 18 |
| Gabapentin | 19 | 19 |
| Oxycodone Hcl | 19 | 19 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-21
- Last updated
- 2024-12-12
- Certified
- 2024-12-12
Frequently asked questions
- What is Gregory Wai's NPI number?
- Gregory Wai's National Provider Identifier (NPI) is 1467943902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Wai's specialty?
- Gregory Wai is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Wai located?
- Gregory Wai's practice location on file with NPPES is 500 W Hospital Rd, French Camp, CA 95231-9693.
- What is Gregory Wai's phone number?
- The practice phone number listed in the NPPES registry for Gregory Wai is (209) 468-6937.
- Does Gregory Wai accept Medicare?
- Gregory Wai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Wai's NPI active?
- Yes — Gregory Wai's NPI (1467943902) is active in the NPPES registry as of the last update on 2024-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.