Judy Chen, M.D.
NPI 1083657100 · Family Medicine Physician · Redondo Beach, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Judy Chen, M.D. is a Family Medicine Physician provider in Redondo Beach, CA (NPI 1083657100).
Provider details
- NPI number
- 1083657100
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A69702 (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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
85 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $96 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $134 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 15 | $140 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 14 | $98 |
Typical Medicare-allowed amounts for these services range $96–$140 (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 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 77 | 40 |
| Amlodipine Besylate | 57 | 28 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 49 | 30 |
| Levothyroxine Sodium | 46 | 23 |
| Omeprazole | 44 | 21 |
| Losartan Potassium | 40 | 25 |
Practice location
Mailing address
Additional practice locations (1)
- 2382 Crenshaw BlvdSte 5Torrance, CA 90501-3333Phone: (310) 618-9200Fax: (310) 618-1241
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2025-12-07
- Certified
- 2025-12-07
Frequently asked questions
- What is Judy Chen's NPI number?
- Judy Chen's National Provider Identifier (NPI) is 1083657100, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Judy Chen's specialty?
- Judy Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Judy Chen located?
- Judy Chen's practice location on file with NPPES is 502 Torrance Blvd, Redondo Beach, CA 90277-3413.
- What is Judy Chen's phone number?
- The practice phone number listed in the NPPES registry for Judy Chen is (310) 316-0811.
- Does Judy Chen accept Medicare?
- Judy Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Judy Chen's NPI active?
- Yes — Judy Chen's NPI (1083657100) is active in the NPPES registry as of the last update on 2025-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.