Christopher Farmakis, MD
NPI 1619405552 · Nephrology Physician · Fredericksburg, VA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Farmakis, MD is a Nephrology Physician provider in Fredericksburg, VA (NPI 1619405552).
Provider details
- NPI number
- 1619405552
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101277073 (VA)
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
9 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
1,782 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 368 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 338 | $113 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 183 | $338 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 166 | $81 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 135 | $54 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 130 | 52 |
| Sevelamer Carbonate | 54 | 21 |
| Amlodipine Besylate | 43 | 19 |
| Losartan Potassium | 37 | 17 |
| Lisinopril | 32 | — |
| Dapagliflozin Propanediolbrand: Farxiga | 26 | — |
| Spironolactone | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-23
- Last updated
- 2025-11-17
- Certified
- 2025-11-17
Frequently asked questions
- What is Christopher Farmakis's NPI number?
- Christopher Farmakis's National Provider Identifier (NPI) is 1619405552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Farmakis's specialty?
- Christopher Farmakis is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Farmakis located?
- Christopher Farmakis's practice location on file with NPPES is 101 Park Hill Dr, Fredericksburg, VA 22401-3357.
- What is Christopher Farmakis's phone number?
- The practice phone number listed in the NPPES registry for Christopher Farmakis is (540) 371-3010.
- Does Christopher Farmakis accept Medicare?
- Christopher Farmakis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Farmakis's NPI active?
- Yes — Christopher Farmakis's NPI (1619405552) is active in the NPPES registry as of the last update on 2025-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.