Tracy Chang, M.D.
NPI 1730576687 · Neurology Physician · North Hollywood, CA
Tracy Chang, M.D. is a Neurology Physician provider in North Hollywood, CA (NPI 1730576687).
Provider details
- NPI number
- 1730576687
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 171842 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
571 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 35 Minutes99232 | 317 | $82 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 168 | $123 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 55 | $179 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 31 | $120 |
Typical Medicare-allowed amounts for these services range $82–$179 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 33 | 27 |
| Amlodipine Besylate | 22 | 18 |
| Gabapentin | 19 | 15 |
| Pantoprazole Sodium | 19 | 19 |
| Apixabanbrand: Eliquis | 12 | 12 |
| Levothyroxine Sodium | 12 | — |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-17
- Last updated
- 2026-03-02
- Certified
- 2026-03-02
Frequently asked questions
- What is Tracy Chang's NPI number?
- Tracy Chang's National Provider Identifier (NPI) is 1730576687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tracy Chang's specialty?
- Tracy Chang is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Tracy Chang located?
- Tracy Chang's practice location on file with NPPES is 6260 Simpson Ave, North Hollywood, CA 91606-3416.
- What is Tracy Chang's phone number?
- The practice phone number listed in the NPPES registry for Tracy Chang is (818) 821-4996.
- Is Tracy Chang's NPI active?
- Yes — Tracy Chang's NPI (1730576687) is active in the NPPES registry as of the last update on 2026-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.