Jonathan Croopnick, M.D.
NPI 1598871360 · Hematology & Oncology Physician · Foxboro, MA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Croopnick, M.D. is a Hematology & Oncology Physician provider in Foxboro, MA (NPI 1598871360).
Provider details
- NPI number
- 1598871360
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 221375 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,062 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 612 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 144 | $99 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 116 | $180 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 98 | $99 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 62 | $195 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 197 | 60 |
| Apixabanbrand: Eliquis | 96 | 28 |
| Lenalidomide | 51 | — |
| Hydroxyurea | 50 | 15 |
| Letrozole | 50 | 14 |
| Rivaroxabanbrand: Xarelto | 48 | 14 |
| Ondansetron Hcl | 35 | 22 |
| Imatinib Mesylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$360 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2016-12-30
Frequently asked questions
- What is Jonathan Croopnick's NPI number?
- Jonathan Croopnick's National Provider Identifier (NPI) is 1598871360, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Croopnick's specialty?
- Jonathan Croopnick is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Croopnick located?
- Jonathan Croopnick's practice location on file with NPPES is 70 Walnut St, Foxboro, MA 02035-5312.
- What is Jonathan Croopnick's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Croopnick is (508) 698-3266.
- Does Jonathan Croopnick accept Medicare?
- Jonathan Croopnick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Croopnick's NPI active?
- Yes — Jonathan Croopnick's NPI (1598871360) is active in the NPPES registry as of the last update on 2016-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.