Grace Chang, MD
NPI 1720024789 · Anesthesiology Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Chang, MD is a Anesthesiology Physician provider in Santa Monica, CA (NPI 1720024789).
Provider details
- NPI number
- 1720024789
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A95514 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
116 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 38 | $409 |
| Anesthesia for Total Hip Replacement01214 | 27 | $416 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 27 | $64 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 12 | $177 |
| Continuous Infusion of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve) Through Catheter64448 | 12 | $72 |
Typical Medicare-allowed amounts for these services range $64–$416 (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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$70 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1601 Ygnacio Valley RdWalnut Creek, CA 94598-3122Phone: (925) 947-3779Fax: (925) 947-3291
Registry dates
- Enumerated
- 2006-06-20
- Last updated
- 2019-01-03
Frequently asked questions
- What is Grace Chang's NPI number?
- Grace Chang's National Provider Identifier (NPI) is 1720024789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Chang's specialty?
- Grace Chang is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Grace Chang located?
- Grace Chang's practice location on file with NPPES is 2121 Santa Monica Blvd, Santa Monica, CA 90404.
- What is Grace Chang's phone number?
- The practice phone number listed in the NPPES registry for Grace Chang is (310) 829-5511.
- Does Grace Chang accept Medicare?
- Grace Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Chang's NPI active?
- Yes — Grace Chang's NPI (1720024789) is active in the NPPES registry as of the last update on 2019-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.