Jonathan Diamond, MD
NPI 1578539433 · Nephrology Physician · Harrisburg, PA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Diamond, MD is a Nephrology Physician provider in Harrisburg, PA (NPI 1578539433).
Provider details
- NPI number
- 1578539433
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD043430E (PA)
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
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
983 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 | 614 | $112 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 241 | $311 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 81 | $257 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 47 | $138 |
Typical Medicare-allowed amounts for these services range $112–$311 (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 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 285 | 91 |
| Losartan Potassium | 197 | 68 |
| Dapagliflozin Propanediolbrand: Farxiga | 138 | 44 |
| Allopurinol | 106 | 33 |
| Spironolactone | 103 | 36 |
| Furosemide | 101 | 33 |
| Empagliflozinbrand: Jardiance | 67 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44,987 across 207 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
- 2006-02-28
- Last updated
- 2008-07-23
Frequently asked questions
- What is Jonathan Diamond's NPI number?
- Jonathan Diamond's National Provider Identifier (NPI) is 1578539433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Diamond's specialty?
- Jonathan Diamond is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Diamond located?
- Jonathan Diamond's practice location on file with NPPES is 4700 Union Deposit Rd, Harrisburg, PA 17111-3774.
- What is Jonathan Diamond's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Diamond is (717) 526-4474.
- Does Jonathan Diamond accept Medicare?
- Jonathan Diamond is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Diamond's NPI active?
- Yes — Jonathan Diamond's NPI (1578539433) is active in the NPPES registry as of the last update on 2008-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.