Anthony Chen, M.D.
NPI 1073527099 · Internal Medicine Physician · Hacienda Heights, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Chen, M.D. is a Internal Medicine Physician provider in Hacienda Heights, CA (NPI 1073527099).
Provider details
- NPI number
- 1073527099
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G074781 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,372 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 | 328 | $132 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 211 | $19 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 166 | $59 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 151 | $94 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 122 | $133 |
| Administration of Influenza Virus VaccineG0008 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 819 | 233 |
| Rosuvastatin Calcium | 747 | 229 |
| Amlodipine Besylate | 723 | 203 |
| Losartan Potassium | 400 | 110 |
| Lorazepam | 346 | 68 |
| Simvastatin | 335 | 105 |
| Olmesartan Medoxomil | 334 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2010-04-02
Frequently asked questions
- What is Anthony Chen's NPI number?
- Anthony Chen's National Provider Identifier (NPI) is 1073527099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Chen's specialty?
- Anthony Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Anthony Chen located?
- Anthony Chen's practice location on file with NPPES is 1850 S Azusa Ave, Hacienda Heights, CA 91745-6827.
- What is Anthony Chen's phone number?
- The practice phone number listed in the NPPES registry for Anthony Chen is (626) 912-2682.
- Does Anthony Chen accept Medicare?
- Anthony Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Chen's NPI active?
- Yes — Anthony Chen's NPI (1073527099) is active in the NPPES registry as of the last update on 2010-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.