An Dang, M.D.
NPI 1952302564 · Nephrology Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
An Dang, M.D. is a Nephrology Physician provider in Garden Grove, CA (NPI 1952302564).
Provider details
- NPI number
- 1952302564
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A65421 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
796 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 | 271 | $138 |
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older)90962 | 202 | $213 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 114 | $81 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 65 | $123 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 | $179 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 189 | 55 |
| Losartan Potassium | 138 | 37 |
| Doxazosin Mesylate | 91 | 22 |
| Atorvastatin Calcium | 89 | 18 |
| Epoetin Alfabrand: Procrit | 81 | 11 |
| Hydralazine Hcl | 81 | 19 |
| Clonidine Hcl | 75 | 28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-04
- Last updated
- 2023-03-07
Frequently asked questions
- What is An Dang's NPI number?
- An Dang's National Provider Identifier (NPI) is 1952302564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is An Dang's specialty?
- An Dang is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is An Dang located?
- An Dang's practice location on file with NPPES is 13872 Harbor Blvd, Garden Grove, CA 92843-4000.
- What is An Dang's phone number?
- The practice phone number listed in the NPPES registry for An Dang is (714) 531-5201.
- Does An Dang accept Medicare?
- An Dang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is An Dang's NPI active?
- Yes — An Dang's NPI (1952302564) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.