David Dang, M.D.
NPI 1932162385 · Rheumatology Physician · Garden Grove, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Dang, M.D. is a Rheumatology Physician provider in Garden Grove, CA (NPI 1932162385).
Provider details
- NPI number
- 1932162385
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A72475 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,565 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,706 | $138 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 296 | $70 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 128 | $235 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 116 | $98 |
| Aspiration And/Or Injection of Fluid From Medium Joint20605 | 84 | $60 |
| Aspiration And/Or Injection of Fluid From Small Joint20600 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 1,101 | 275 |
| Celecoxib | 920 | 214 |
| Famotidine | 818 | 273 |
| Tramadol Hcl | 641 | 161 |
| Methotrexate Sodiumbrand: Methotrexate | 505 | 69 |
| Diclofenac Sodium | 409 | 94 |
| Upadacitinibbrand: Rinvoq | 404 | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,057 across 220 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
Registry dates
- Enumerated
- 2006-04-07
- Last updated
- 2012-02-14
Frequently asked questions
- What is David Dang's NPI number?
- David Dang's National Provider Identifier (NPI) is 1932162385, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Dang's specialty?
- David Dang is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is David Dang located?
- David Dang's practice location on file with NPPES is 13872 Harbor Blvd, Garden Grove, CA 92843-4000.
- What is David Dang's phone number?
- The practice phone number listed in the NPPES registry for David Dang is (714) 210-1300.
- Does David Dang accept Medicare?
- David Dang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Dang's NPI active?
- Yes — David Dang's NPI (1932162385) is active in the NPPES registry as of the last update on 2012-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.