David Simon, MD
NPI 1811983125 · Nephrology Physician · Orange, CT
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Simon, MD is a Nephrology Physician provider in Orange, CT (NPI 1811983125).
Provider details
- NPI number
- 1811983125
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 3917 (CT)
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
297 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 | 248 | $139 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 29 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 20 | $96 |
Typical Medicare-allowed amounts for these services range $96–$140 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 208 | 60 |
| Amlodipine Besylate | 143 | 44 |
| Allopurinol | 108 | 33 |
| Doxazosin Mesylate | 71 | 25 |
| Losartan Potassium | 65 | 19 |
| Sodium Zirconium Cyclosilicatebrand: Lokelma | 63 | 16 |
| Hydrochlorothiazide | 60 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-22
- Last updated
- 2025-04-11
- Certified
- 2025-04-11
Frequently asked questions
- What is David Simon's NPI number?
- David Simon's National Provider Identifier (NPI) is 1811983125, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Simon's specialty?
- David Simon is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is David Simon located?
- David Simon's practice location on file with NPPES is 235 Boston Post Rd Ste 202, Orange, CT 06477-3229.
- What is David Simon's phone number?
- The practice phone number listed in the NPPES registry for David Simon is (203) 799-1252.
- Does David Simon accept Medicare?
- David Simon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Simon's NPI active?
- Yes — David Simon's NPI (1811983125) is active in the NPPES registry as of the last update on 2025-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.