Mark Wu, MD
NPI 1619996097 · Neurology Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Wu, MD is a Neurology Physician provider in Baltimore, MD (NPI 1619996097).
Provider details
- NPI number
- 1619996097
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD426094 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
74 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 | 37 | $67 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $95 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 12 | $84 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 12 | $80 |
Typical Medicare-allowed amounts for these services range $67–$95 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 60 | 13 |
| Methadone Hcl | 42 | — |
| Oxycodone Hcl | 26 | — |
| Trazodone Hcl | 23 | — |
| Tramadol Hcl | 23 | — |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 21 | — |
| Pramipexole Di-Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2013-01-05
Frequently asked questions
- What is Mark Wu's NPI number?
- Mark Wu's National Provider Identifier (NPI) is 1619996097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Wu's specialty?
- Mark Wu is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Wu located?
- Mark Wu's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Mark Wu's phone number?
- The practice phone number listed in the NPPES registry for Mark Wu is (410) 502-7511.
- Does Mark Wu accept Medicare?
- Mark Wu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Wu's NPI active?
- Yes — Mark Wu's NPI (1619996097) is active in the NPPES registry as of the last update on 2013-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.