William Tew, MD
NPI 1437120169 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Tew, MD is a Internal Medicine Physician provider in New York, NY (NPI 1437120169).
Provider details
- NPI number
- 1437120169
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 219683 (NY)
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
847 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 | 814 | $113 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 33 | $201 |
Typical Medicare-allowed amounts for these services range $113–$201 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 95 | 59 |
| Dexamethasone | 60 | 46 |
| Letrozole | 38 | 12 |
| Rivaroxabanbrand: Xarelto | 36 | — |
| Oxycodone Hcl | 28 | — |
| Amlodipine Besylate | 26 | — |
| Prednisolone Acetate | 25 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Tew's NPI number?
- William Tew's National Provider Identifier (NPI) is 1437120169, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tew's specialty?
- William Tew is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Tew located?
- William Tew's practice location on file with NPPES is 1275 York Ave, New York, NY 10021-6007.
- What is William Tew's phone number?
- The practice phone number listed in the NPPES registry for William Tew is (646) 227-3813.
- Does William Tew accept Medicare?
- William Tew is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Tew's NPI active?
- Yes — William Tew's NPI (1437120169) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.