Louis Pham, FNP-C
NPI 1235897281 · Family Nurse Practitioner · Rancho Cucamonga, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Pham, FNP-C is a Family Nurse Practitioner provider in Rancho Cucamonga, CA (NPI 1235897281).
Provider details
- NPI number
- 1235897281
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- 95242868 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
311 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 65 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $112 |
| Biopsy of Related Skin Growth, First Growth11102 | 36 | $75 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 36 | $146 |
| Destruction of Skin Growth, 1-14 Growths17110 | 30 | $101 |
| Destruction of Precancer Skin Growth, 1 Growth |
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 |
|---|---|---|
| Ketoconazole | 492 | 196 |
| Clobetasol Propionate | 250 | 136 |
| Fluocinonide | 143 | 78 |
| Mupirocin | 124 | 75 |
| Fluorouracil | 119 | 93 |
| Hydrocortisone | 103 | 65 |
| Doxycycline Hyclate | 96 | 78 |
| Triamcinolone Acetonide | 93 | 60 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,879 across 108 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
Additional practice locations (2)
- 3110 Chino Ave Ste 120Chino Hills, CA 91709-1294Phone: (909) 313-5111Fax: (909) 313-0959
- 1122 E Lincoln Ave Ste 105Orange, CA 92865-1908Phone: (714) 987-9880Fax: (714) 709-8998
Registry dates
- Enumerated
- 2021-12-07
- Last updated
- 2026-05-13
- Certified
- 2026-05-13
Frequently asked questions
- What is Louis Pham's NPI number?
- Louis Pham's National Provider Identifier (NPI) is 1235897281, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Pham's specialty?
- Louis Pham is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Louis Pham located?
- Louis Pham's practice location on file with NPPES is 9220 Haven Ave Ste 120, Rancho Cucamonga, CA 91730-8551.
- What is Louis Pham's phone number?
- The practice phone number listed in the NPPES registry for Louis Pham is (909) 819-1930.
- Does Louis Pham accept Medicare?
- Louis Pham is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Pham's NPI active?
- Yes — Louis Pham's NPI (1235897281) is active in the NPPES registry as of the last update on 2026-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.