Jonathan Wu, DO
NPI 1558922245 · Internal Medicine Physician · Alhambra, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Wu, DO is a Internal Medicine Physician provider in Alhambra, CA (NPI 1558922245).
Provider details
- NPI number
- 1558922245
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20293 (CA)
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
7 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
135 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 60 | $98 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 25 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $139 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 16 | $140 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 15 | $21 |
Typical Medicare-allowed amounts for these services range $21–$140 (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 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 112 | 53 |
| Amlodipine Besylate | 100 | 41 |
| Losartan Potassium | 84 | 26 |
| Diclofenac Sodium | 73 | 41 |
| Pantoprazole Sodium | 67 | 40 |
| Metformin Hcl | 57 | 22 |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-24
- Last updated
- 2026-01-15
- Certified
- 2026-01-15
Frequently asked questions
- What is Jonathan Wu's NPI number?
- Jonathan Wu's National Provider Identifier (NPI) is 1558922245, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Wu's specialty?
- Jonathan Wu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Wu located?
- Jonathan Wu's practice location on file with NPPES is 55 S Raymond Ave Ste 200, Alhambra, CA 91801.
- What is Jonathan Wu's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Wu is (626) 570-8005.
- Does Jonathan Wu accept Medicare?
- Jonathan Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Wu's NPI active?
- Yes — Jonathan Wu's NPI (1558922245) is active in the NPPES registry as of the last update on 2026-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.