Winthrop Whitcomb, MD
NPI 1558328898 · Hospitalist Physician · Northampton, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Winthrop Whitcomb, MD is a Hospitalist Physician provider in Northampton, MA (NPI 1558328898).
Provider details
- NPI number
- 1558328898
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 73170 (MA)
Specialties & taxonomies
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
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
507 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) |
|---|---|---|
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 205 | $181 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 170 | $108 |
| Prolonged Nursing Facility Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By the Physician Or QualifiG0317 | 117 | $30 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 15 | $153 |
Typical Medicare-allowed amounts for these services range $30–$181 (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 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 294 | 32 |
| Atorvastatin Calcium | 293 | 46 |
| Levothyroxine Sodium | 236 | 32 |
| Amlodipine Besylate | 134 | 31 |
| Escitalopram Oxalate | 128 | 27 |
| Trazodone Hcl | 127 | 40 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-28
- Last updated
- 2016-04-15
Frequently asked questions
- What is Winthrop Whitcomb's NPI number?
- Winthrop Whitcomb's National Provider Identifier (NPI) is 1558328898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Winthrop Whitcomb's specialty?
- Winthrop Whitcomb is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Winthrop Whitcomb located?
- Winthrop Whitcomb's practice location on file with NPPES is 548 Elm St, Northampton, MA 01060-2832.
- What is Winthrop Whitcomb's phone number?
- The practice phone number listed in the NPPES registry for Winthrop Whitcomb is (413) 794-8120.
- Does Winthrop Whitcomb accept Medicare?
- Winthrop Whitcomb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Winthrop Whitcomb's NPI active?
- Yes — Winthrop Whitcomb's NPI (1558328898) is active in the NPPES registry as of the last update on 2016-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.