Doctor profile · Federal record

Dr. Ana Castellanos, MD

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Lexington, KY

  • NPI 1790872190
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Uk Transplant Clinic, 740 S. Limestone
Lexington, KY 405360001
(859) 257-8562
fax (859) 323-1700

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
March 5, 2019
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Kentucky #38843

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790872190. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
421
Distinct HCPCS
5
Medicare allowed
$46,003
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 134 53 $110
99214 Established patient office or other outpatient visit, 30-39 minutes 125 92 $92
99215 Established patient office or other outpatient visit, 40-54 minutes 93 71 $136
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 48 24 $75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 20 $167

In context: peer comparison

Among 14 peers in Lexington Nephrology Physician, average services per provider: 99. This provider delivers 4.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$78
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Fresenius USA Marketing, INC. 4 $77.98

By nature of payment

Food and Beverage
$78

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,317
Patients
357
Total drug cost
$81,350
Drug Type Claims Patients Total cost
Prednisone Generic 166 40 $1,225
Nifedipine ER (Nifedipine) Brand 153 37 $6,386
Pantoprazole Sodium Generic 121 32 $1,704
Cinacalcet Hcl Generic 105 30 $55,574
Carvedilol Generic 97 31 $984
Atorvastatin Calcium Generic 89 27 $991
Famotidine Generic 76 25 $1,223
Omeprazole Generic 75 12 $623
Lisinopril Generic 74 24 $649
Amiloride Hcl Generic 73 19 $845

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ana Castellanos's medical specialty?
Dr. Ana Castellanos practices Nephrology Physician in Lexington, KY.
Where does Dr. Ana Castellanos practice?
Dr. Ana Castellanos practices at Uk Transplant Clinic, Lexington, KY 405360001. Office phone: 8592578562.
What is Dr. Ana Castellanos's NPI?
Dr. Ana Castellanos's National Provider Identifier (NPI) is 1790872190, issued by NPPES.
Does Dr. Ana Castellanos accept Medicare assignment?
Yes. Dr. Ana Castellanos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ana Castellanos commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.