Daniel Phan, M.D.
NPI 1871589135 · Internal Medicine Physician · Lynnwood, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Phan, M.D. is a Internal Medicine Physician provider in Lynnwood, WA (NPI 1871589135).
Provider details
- NPI number
- 1871589135
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD32737 (WA)
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
21 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 | 21 | $128 |
Typical Medicare-allowed amounts for these services range $128–$128 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 34 | 16 |
| Alendronate Sodium | 19 | — |
| Omeprazole | 15 | — |
| Lisinopril | 15 | — |
| Metformin Hcl | 15 | — |
| Famotidine | 14 | — |
| Amlodipine Besylate | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-22
- Last updated
- 2023-03-07
Frequently asked questions
- What is Daniel Phan's NPI number?
- Daniel Phan's National Provider Identifier (NPI) is 1871589135, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Phan's specialty?
- Daniel Phan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Phan located?
- Daniel Phan's practice location on file with NPPES is 6508 196th St Sw, Lynnwood, WA 98036-5922.
- What is Daniel Phan's phone number?
- The practice phone number listed in the NPPES registry for Daniel Phan is (425) 673-2572.
- Does Daniel Phan accept Medicare?
- Daniel Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Phan's NPI active?
- Yes — Daniel Phan's NPI (1871589135) 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.