Doctor profile · Federal record

Dr. Ann Thomas, MD

Nephrology Physician (CMS: Nephrology) · Scottsdale, AZ

  • NPI 1821061607
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8415 N Pima RD, Ste 150
Scottsdale, AZ 852580000
(480) 551-1057
fax (480) 551-1059
Mailing address
6622 N 91St Ave, Ste 220
Glendale, AZ 853052569

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
June 28, 2018
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Arizona #27537
Medicaid
AZ #517443

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821061607. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,259
Distinct HCPCS
10
Medicare allowed
$349,779
HCPCS Description Services Patients Avg allowed
J0885 Injection, epoetin alfa, (for non-esrd use), 1000 units 3,510 37 $7
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 897 294 $116
99214 Established patient office or other outpatient visit, 30-39 minutes 518 337 $117
99215 Established patient office or other outpatient visit, 40-54 minutes 401 169 $117
90970 Dialysis services, per day, less than full month service (20 years or older) 362 16 $9
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 165 154 $171
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 150 24 $343
96372 Injection of drug or substance under skin or into muscle 82 37 $14
99205 New patient office or other outpatient visit, 60-74 minutes 76 76 $215
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 62 34 $73

In context: peer comparison

Among 14 peers in Scottsdale Nephrology Physician, average services per provider: 262. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,276
Transactions
63
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Travere Therapeutics, INC. 8 $185.87
AstraZeneca Pharmaceuticals Lp 10 $184.72
Amgen INC. 11 $169.21
Otsuka America Pharmaceutical, INC. 10 $162.85
Ardelyx, INC. 5 $83.90
Mallinckrodt Hospital Products INC. 4 $72.96
Veloxis Pharmaceuticals, INC. 2 $46.20
Boehringer Ingelheim Pharmaceuticals, INC. 2 $40.63
Bayer Healthcare Pharmaceuticals INC. 2 $38.08
Opko Pharmaceuticals, LLC 2 $36.06
GlaxoSmithKline, LLC. 2 $34.37
Ascendis Pharma INC 2 $30.72
Boston Scientific Corporation 1 $24.60
Alexion Pharmaceuticals, INC. 1 $22.44
Lilly USA, LLC 1 $22.32

By nature of payment

Food and Beverage
$1,223
Education
$53

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,014
Patients
308
Total drug cost
$43,531
Drug Type Claims Patients Total cost
Calcitriol Generic 199 62 $5,442
Allopurinol Generic 198 65 $3,355
Furosemide Generic 149 52 $1,200
Hydralazine Hcl Generic 88 27 $1,759
Lisinopril Generic 68 22 $554
Losartan Potassium Generic 54 17 $741
Torsemide Generic 39 17 $702
Paricalcitol Generic 32 0 $3,191
Metoprolol Tartrate Generic 29 0 $195
Febuxostat Generic 28 0 $2,182

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Thomas's medical specialty?
Dr. Ann Thomas practices Nephrology Physician in Scottsdale, AZ.
Where does Dr. Ann Thomas practice?
Dr. Ann Thomas practices at 8415 N Pima RD, Scottsdale, AZ 852580000. Office phone: 4805511057.
What is Dr. Ann Thomas's NPI?
Dr. Ann Thomas's National Provider Identifier (NPI) is 1821061607, issued by NPPES.
Does Dr. Ann Thomas accept Medicare assignment?
Yes. Dr. Ann Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Thomas commonly perform?
Top Medicare-reported procedures in 2023: Injection, epoetin alfa, (for non-esrd use), 1000 units (HCPCS J0885); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.