Michael Chang, D.O.
NPI 1346237872 · Family Medicine Physician · The Woodlands, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Chang, D.O. is a Family Medicine Physician provider in The Woodlands, TX (NPI 1346237872).
Provider details
- NPI number
- 1346237872
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- K8613 (TX)
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
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
1,320 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 548 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 279 | $90 |
| Physician Or Allowed Practitioner Supervision of a Patient Receiving Medicare-Covered Services Provided By a Participating Home Health Agency (patient Not Present) Requiring Complex and Multidisciplinary Care Modalities Involving Regular Physician Or AllowG0181 | 179 | $105 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 107 | $153 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 419 | 114 |
| Levothyroxine Sodium | 323 | 75 |
| Amlodipine Besylate | 208 | 59 |
| Lisinopril | 184 | 56 |
| Metformin Hcl | 181 | 47 |
| Fluticasone Propionate | 169 | 72 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2022-07-21
Frequently asked questions
- What is Michael Chang's NPI number?
- Michael Chang's National Provider Identifier (NPI) is 1346237872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Chang's specialty?
- Michael Chang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Chang located?
- Michael Chang's practice location on file with NPPES is 3115 College Park Dr Ste 107, The Woodlands, TX 77384-4001.
- What is Michael Chang's phone number?
- The practice phone number listed in the NPPES registry for Michael Chang is (936) 321-6787.
- Does Michael Chang accept Medicare?
- Michael Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Chang's NPI active?
- Yes — Michael Chang's NPI (1346237872) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.