Deewan Deewan, MD
NPI 1811292055 · Nephrology Physician · Columbia, SC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Deewan Deewan, MD is a Nephrology Physician provider in Columbia, SC (NPI 1811292055).
Provider details
- NPI number
- 1811292055
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 40554 (SC)
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
15 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
2,171 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 | 1,251 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 358 | $126 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 247 | $350 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 166 | $171 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 79 | $291 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 21 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Allopurinol | 218 | 82 |
| Calcitriol | 131 | 49 |
| Doxazosin Mesylate | 74 | 35 |
| Furosemide | 64 | 32 |
| Carvedilol | 52 | 18 |
| Cinacalcet Hcl | 43 | 11 |
| Torsemide | 42 | 17 |
| Dapagliflozin Propanediolbrand: Farxiga | 40 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$778 across 35 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
- 2011-01-19
- Last updated
- 2023-05-16
- Certified
- 2023-05-16
Frequently asked questions
- What is Deewan Deewan's NPI number?
- Deewan Deewan's National Provider Identifier (NPI) is 1811292055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deewan Deewan's specialty?
- Deewan Deewan is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Deewan Deewan located?
- Deewan Deewan's practice location on file with NPPES is 1655 Bernardin Ave Ste 200, Columbia, SC 29204-2044.
- What is Deewan Deewan's phone number?
- The practice phone number listed in the NPPES registry for Deewan Deewan is (803) 256-1137.
- Does Deewan Deewan accept Medicare?
- Deewan Deewan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Deewan Deewan's NPI active?
- Yes — Deewan Deewan's NPI (1811292055) is active in the NPPES registry as of the last update on 2023-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.