Doctor profile · Federal record
Dr. Maria Diener, PA-C
Physician Assistant · Milwaukee, WI
- NPI 1295925576
- Accepts Medicare
- 19 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-6000
fax (414) 805-6280 - Additional location
-
16650 W Bluemound RD, Suite 200
Brookfield, WI 530055920
(262) 827-9200
fax (262) 827-9858 - Additional location
-
W180N8085 Town Hall RD
Menomonee Falls, WI 530513518
(262) 251-1000
fax (262) 518-5052
Credentials & registration
- NPI registered
- August 2007 — 19 yrs on file
- Profile last updated
- March 6, 2023
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Wisconsin #2237-023
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295925576. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
68
Distinct HCPCS
2
Medicare allowed
$6,631
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 38 | 33 | $112 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 30 | 23 | $79 |
In context: peer comparison
Among 214 peers in this city , average services per provider: 43. This provider delivers 1.6× the peer median.Open Payments
Industry payments received
All-time total
$1,100
Transactions
30
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 3 | $190.04 | |
| Paragonix Technologies, Inc. | 3 | $160.04 | |
| Novo Nordisk Inc | 4 | $128.78 | |
| Actelion Pharmaceuticals US, Inc. | 1 | $124.99 | |
| Alnylam Pharmaceuticals Inc. | 1 | $101.60 | |
| AstraZeneca Pharmaceuticals LP | 5 | $90.41 | |
| ABIOMED | 3 | $71.24 | |
| ATRICURE, INC. | 2 | $60.94 | |
| Novartis Pharmaceuticals Corporation | 2 | $49.79 | |
| Amgen Inc. | 2 | $38.87 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $35.66 | |
| Merck Sharp & Dohme LLC | 1 | $24.62 | |
| PFIZER INC. | 1 | $22.98 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
574
Patients
155
Total drug cost
$225,059
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Spironolactone | Generic | 91 | 41 | $894 |
| Entresto (Sacubitril/Valsartan) | Brand | 80 | 27 | $110,200 |
| Bumetanide | Generic | 76 | 30 | $5,911 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 44 | 20 | $57,786 |
| Atorvastatin Calcium | Generic | 35 | 0 | $541 |
| Metoprolol Succinate | Generic | 34 | 22 | $736 |
| Ezetimibe | Generic | 33 | 0 | $589 |
| Furosemide | Generic | 32 | 15 | $310 |
| Jardiance (Empagliflozin) | Brand | 28 | 0 | $23,182 |
| Carvedilol | Generic | 26 | 0 | $461 |
Frequently asked questions
What is Dr. Maria Diener's medical specialty?
Dr. Maria Diener practices Physician Assistant in Milwaukee, WI.
Where does Dr. Maria Diener practice?
Dr. Maria Diener practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148056000.
What is Dr. Maria Diener's NPI?
Dr. Maria Diener's National Provider Identifier (NPI) is 1295925576, issued by NPPES.
Does Dr. Maria Diener accept Medicare assignment?
Yes. Dr. Maria Diener accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Diener commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.