Doctor profile · Federal record

Dr. Sherryl Mitchell Hernandez, M.D.

Nephrology Physician (CMS: Nephrology) · San Antonio, TX

  • NPI 1578972089
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
12446 West Ave
San Antonio, TX 782162517
(210) 729-2262
Additional location
Ave. Hostos Carr#2, Suite 104, Bo Sabalos
Mayaguez, PR 00680
(787) 652-9200
Additional location
1222 McCullough Ave Ste 101
San Antonio, TX 782124812
(210) 858-7604
fax (210) 888-0383
Show 1 more location
Additional location
504 N MacArthur Ave
Panama City, FL 324013636
(850) 769-2158

Credentials & registration

NPPES · NUCC
NPI registered
August 2014 — 12 yrs on file
Profile last updated
April 29, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Texas #R6443

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578972089. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,046
Distinct HCPCS
10
Medicare allowed
$185,271
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 342 174 $105
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 241 46 $346
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 122 58 $79
99205 New patient office or other outpatient visit, 60-74 minutes 88 88 $217
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 61 56 $174
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 55 34 $119
90935 Hemodialysis procedure with physician evaluation 48 25 $72
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 33 19 $291
99215 Established patient office or other outpatient visit, 40-54 minutes 31 25 $158
99213 Established patient office or other outpatient visit, 20-29 minutes 25 24 $78

In context: peer comparison

Among 47 peers in San Antonio Nephrology Physician, average services per provider: 133. This provider delivers 7.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$911
Transactions
39
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 10 $188.33
Bayer Healthcare Pharmaceuticals INC. 2 $147.60
Travere Therapeutics, INC. 8 $125.62
Fresenius USA Marketing, INC. 4 $84.43
Otsuka America Pharmaceutical, INC. 3 $69.25
Akebia Therapeutics INC 2 $48.96
Vifor Pharma, INC. 2 $40.89
Ani Pharmaceuticals, INC. 1 $32.41
Calliditas Therapeutics US INC. 1 $27.67
Aurinia Pharma U.S., INC. 1 $26.05
Otsuka Pharmaceutical Development & Commercialization, INC. 1 $23.26
Novartis Pharmaceuticals Corporation 1 $22.97
Amgen INC. 1 $21.79
Lilly USA, LLC 1 $19.52
Boehringer Ingelheim Pharmaceuticals, INC. 1 $19.00

By nature of payment

Food and Beverage
$847
Education
$65

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
728
Patients
260
Total drug cost
$145,230
Drug Type Claims Patients Total cost
Allopurinol Generic 124 51 $1,683
Amlodipine Besylate Generic 87 36 $965
Furosemide Generic 85 42 $638
Farxiga (Dapagliflozin Propanediol) Brand 69 24 $90,765
Losartan Potassium Generic 63 25 $1,276
Hydralazine Hcl Generic 61 25 $2,290
Lisinopril Generic 53 24 $841
Spironolactone Generic 38 11 $1,189
Nifedipine ER (Nifedipine) Brand 31 11 $1,875
Calcitriol Generic 28 11 $1,718

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sherryl Mitchell Hernandez's medical specialty?
Dr. Sherryl Mitchell Hernandez practices Nephrology Physician in San Antonio, TX.
Where does Dr. Sherryl Mitchell Hernandez practice?
Dr. Sherryl Mitchell Hernandez practices at 12446 West Ave, San Antonio, TX 782162517. Office phone: 2107292262.
What is Dr. Sherryl Mitchell Hernandez's NPI?
Dr. Sherryl Mitchell Hernandez's National Provider Identifier (NPI) is 1578972089, issued by NPPES.
Does Dr. Sherryl Mitchell Hernandez accept Medicare assignment?
Yes. Dr. Sherryl Mitchell Hernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sherryl Mitchell Hernandez commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.