Doanh Nguyen, M.D.
NPI 1720090921 · Specialist · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Doanh Nguyen, M.D. is a Specialist provider in Fountain Valley, CA (NPI 1720090921).
Provider details
- NPI number
- 1720090921
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G80814 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
1,018 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 | 492 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 366 | $98 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 56 | $179 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 52 | $66 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 28 | $99 |
| Testing for Presence of Drug, Read By Direct Observation |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 618 | 143 |
| Pregabalin | 173 | 41 |
| Diclofenac Sodium | 144 | 48 |
| Tramadol Hcl | 106 | 26 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 103 | 17 |
| Famotidine | 74 | 27 |
| Tizanidine Hcl | 73 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$217 across 4 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
- 2006-08-13
- Last updated
- 2022-09-23
- Certified
- 2022-09-23
Frequently asked questions
- What is Doanh Nguyen's NPI number?
- Doanh Nguyen's National Provider Identifier (NPI) is 1720090921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Doanh Nguyen's specialty?
- Doanh Nguyen is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Doanh Nguyen located?
- Doanh Nguyen's practice location on file with NPPES is 10760 Warner Ave Ste 201, Fountain Valley, CA 92708-3857.
- What is Doanh Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Doanh Nguyen is (714) 593-5356.
- Does Doanh Nguyen accept Medicare?
- Doanh Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Doanh Nguyen's NPI active?
- Yes — Doanh Nguyen's NPI (1720090921) is active in the NPPES registry as of the last update on 2022-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.