Jonathan Slater, M.D.
NPI 1992788160 · Nephrology Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Slater, M.D. is a Nephrology Physician provider in Springfield, MA (NPI 1992788160).
Provider details
- NPI number
- 1992788160
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 81014 (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 tenure25% of score
20 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
2,902 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 914 | $78 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 618 | $181 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 263 | $350 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 257 | $171 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 177 | $130 |
| Hemodialysis Procedure With Physician Evaluation90935 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dapagliflozin Propanediolbrand: Farxiga | 303 | 80 |
| Furosemide | 288 | 67 |
| Amlodipine Besylate | 261 | 89 |
| Losartan Potassium | 257 | 71 |
| Hydralazine Hcl | 129 | 43 |
| Sevelamer Carbonate | 127 | 36 |
| Calcitriol | 110 | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16,850 across 36 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
- 2005-11-22
- Last updated
- 2015-02-06
Frequently asked questions
- What is Jonathan Slater's NPI number?
- Jonathan Slater's National Provider Identifier (NPI) is 1992788160, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Slater's specialty?
- Jonathan Slater is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Slater located?
- Jonathan Slater's practice location on file with NPPES is 100 Wason Ave, Springfield, MA 01107-1381.
- What is Jonathan Slater's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Slater is (413) 733-9666.
- Does Jonathan Slater accept Medicare?
- Jonathan Slater is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Slater's NPI active?
- Yes — Jonathan Slater's NPI (1992788160) is active in the NPPES registry as of the last update on 2015-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.