Doctor profile · Federal record

Dr. Diana Alter, AGACNP-BC

Nurse Practitioner · Acute Care Nurse Practitioner · Phoenix, AZ

  • NPI 1255910055
  • Accepts Medicare
  • MIPS 78.6 / 100 · 2023
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5777 E Mayo Blvd
Phoenix, AZ 850544502
(480) 301-6874
Mailing address
200 1St St Sw
Rochester, MN 559050001

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Profile last updated
January 11, 2023
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Arizona #256392

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255910055. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
75
Distinct HCPCS
3
Medicare allowed
$6,031
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 41 27 $65
99239 Hospital discharge day management, more than 30 minutes 22 21 $94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $107

In context: peer comparison

Among 52 peers in Phoenix Nurse Practitioner, average services per provider: 404. This provider delivers 0.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $18.10

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
302
Patients
150
Total drug cost
$31,485
Drug Type Claims Patients Total cost
Tacrolimus Generic 103 45 $16,048
Mycophenolate Mofetil Generic 65 27 $5,784
Oxycodone Hcl Generic 22 22 $77
Famotidine Generic 18 17 $140
Lamivudine Hbv (Lamivudine) Brand 17 0 $6,447
Ondansetron Odt (Ondansetron) Brand 16 16 $191
Prednisone Generic 16 12 $15
Rosuvastatin Calcium Generic 12 0 $173
Methocarbamol Generic 11 11 $61
Pantoprazole Sodium Generic 11 0 $135

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Alter's medical specialty?
Dr. Diana Alter practices Nurse Practitioner in Phoenix, AZ.
Where does Dr. Diana Alter practice?
Dr. Diana Alter practices at 5777 E Mayo Blvd, Phoenix, AZ 850544502. Office phone: 4803016874.
What is Dr. Diana Alter's NPI?
Dr. Diana Alter's National Provider Identifier (NPI) is 1255910055, issued by NPPES.
Does Dr. Diana Alter accept Medicare assignment?
Yes. Dr. Diana Alter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Alter commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.