Annabel Chang, MD
NPI 1245761725 · Family Medicine Physician · Conroe, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annabel Chang, MD is a Family Medicine Physician provider in Conroe, TX (NPI 1245761725).
Provider details
- NPI number
- 1245761725
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- T2137 (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
9 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
790 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 223 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 218 | $121 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 108 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 72 | $124 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 66 | $171 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 90 | 40 |
| Levothyroxine Sodium | 83 | 35 |
| Amlodipine Besylate | 68 | 31 |
| Rosuvastatin Calcium | 50 | 20 |
| Sertraline Hcl | 46 | 16 |
| Losartan Potassium | 44 | 17 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-03-25
- Last updated
- 2022-06-27
- Certified
- 2022-06-20
Frequently asked questions
- What is Annabel Chang's NPI number?
- Annabel Chang's National Provider Identifier (NPI) is 1245761725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annabel Chang's specialty?
- Annabel Chang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Annabel Chang located?
- Annabel Chang's practice location on file with NPPES is 605 S Conroe Medical Dr, Conroe, TX 77304-4722.
- What is Annabel Chang's phone number?
- The practice phone number listed in the NPPES registry for Annabel Chang is (936) 539-4004.
- Does Annabel Chang accept Medicare?
- Annabel Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annabel Chang's NPI active?
- Yes — Annabel Chang's NPI (1245761725) is active in the NPPES registry as of the last update on 2022-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.