Denise Phan, M.D.
NPI 1477656395 · Internal Medicine Physician · Van Nuys, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Denise Phan, M.D. is a Internal Medicine Physician provider in Van Nuys, CA (NPI 1477656395).
Provider details
- NPI number
- 1477656395
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G73973 (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
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
5,791 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) |
|---|---|---|
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 365 | $42 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 332 | $52 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 282 | $128 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 227 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 206 | $71 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 99 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 243 | 69 |
| Amlodipine Besylate | 168 | 47 |
| Metformin Hcl | 164 | 46 |
| Omeprazole | 95 | 28 |
| Levothyroxine Sodium | 94 | 28 |
| Losartan Potassium | 90 | 27 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$629 across 30 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
- 2006-09-06
- Last updated
- 2007-10-01
Frequently asked questions
- What is Denise Phan's NPI number?
- Denise Phan's National Provider Identifier (NPI) is 1477656395, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Denise Phan's specialty?
- Denise Phan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Denise Phan located?
- Denise Phan's practice location on file with NPPES is 15243 Vanowen St, Van Nuys, CA 91405-3605.
- What is Denise Phan's phone number?
- The practice phone number listed in the NPPES registry for Denise Phan is (818) 785-0300.
- Does Denise Phan accept Medicare?
- Denise Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Denise Phan's NPI active?
- Yes — Denise Phan's NPI (1477656395) is active in the NPPES registry as of the last update on 2007-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.