Doctor profile · Federal record
Dr. Diana Diemer, FNP
Family Medicine Physician (CMS: Nurse Practitioner) · Hastings, MI
- NPI 1104313436
- Accepts Medicare
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1005 W Green St Ste 304
Hastings, MI 490581725
(269) 948-8057
fax (269) 948-8964
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Michigan #4704272488
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104313436. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
22
Distinct HCPCS
2
Medicare allowed
$1,954
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 11 | 11 | $74 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 11 | 11 | $104 |
In context: peer comparison
Among 2 peers in Hastings Family Medicine Physician, average services per provider: 62. This provider delivers 0.4× the peer median.Open Payments
Industry payments received
All-time total
$1,286
Transactions
84
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 15 | $156.40 | |
| Novo Nordisk INC | 15 | $155.55 | |
| Lilly USA, LLC | 9 | $144.80 | |
| AstraZeneca Pharmaceuticals Lp | 5 | $139.72 | |
| Abbvie INC. | 13 | $134.37 | |
| Astellas Pharma US INC | 4 | $78.38 | |
| GlaxoSmithKline, LLC. | 4 | $65.55 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 4 | $61.38 | |
| Teva Pharmaceuticals USA, INC. | 3 | $55.21 | |
| Bayer Healthcare Pharmaceuticals INC. | 3 | $52.13 | |
| Ucb, INC. | 2 | $45.84 | |
| Amgen INC. | 3 | $45.53 | |
| Phathom Pharmaceuticals, INC. | 2 | $32.11 | |
| Lundbeck LLC | 1 | $30.48 | |
| Sumitomo Pharma America, INC. | 1 | $23.45 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
433
Patients
73
Total drug cost
$45,043
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 68 | 16 | $1,072 |
| Atorvastatin Calcium | Generic | 51 | 17 | $1,170 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 49 | 28 | $823 |
| Eliquis (Apixaban) | Brand | 43 | 0 | $27,494 |
| Alprazolam | Generic | 25 | 12 | $82 |
| Lisinopril | Generic | 25 | 0 | $200 |
| Rosuvastatin Calcium | Generic | 23 | 0 | $482 |
| Amlodipine Besylate | Generic | 22 | 0 | $227 |
| Sertraline Hcl | Generic | 21 | 0 | $183 |
| Hydrochlorothiazide | Generic | 20 | 0 | $105 |
Frequently asked questions
What is Dr. Diana Diemer's medical specialty?
Dr. Diana Diemer practices Family Medicine Physician in Hastings, MI.
Where does Dr. Diana Diemer practice?
Dr. Diana Diemer practices at 1005 W Green St Ste 304, Hastings, MI 490581725. Office phone: 2699488057.
What is Dr. Diana Diemer's NPI?
Dr. Diana Diemer's National Provider Identifier (NPI) is 1104313436, issued by NPPES.
Does Dr. Diana Diemer accept Medicare assignment?
Yes. Dr. Diana Diemer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Diemer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.