Doctor profile · Federal record
Dr. Alyssa Rieber, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Medical Oncology Physician · Fredericksburg, TX
- NPI 1639265796
- Accepts Medicare
- MIPS 86.7 / 100 · 2023
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
506 W Windcrest St Ste 300
Fredericksburg, TX 786244639
(830) 990-0255
fax (830) 997-7569 - Mailing address
-
Po Box 911230
Dallas, TX 753911230
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- January 15, 2021
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Texas #L7863
- Medicaid (2)
- TX #167226304 · TX #167226302
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639265796. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
149,797
Distinct HCPCS
10
Medicare allowed
$2,102,814
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0881 |
Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 48,830 | 20 | $3 | |
Q0138 |
Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) | 29,070 | 22 | $1 | |
J9271 |
Injection, pembrolizumab, 1 mg | 20,900 | 17 | $54 | |
J1453 |
Injection, fosaprepitant, 1 mg | 15,450 | 25 | $0 | |
J1756 |
Injection, iron sucrose, 1 mg | 11,200 | 11 | $0 | |
J1568 |
Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | 4,480 | 17 | $41 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 3,010 | 54 | $0 | |
J1626 |
Injection, granisetron hydrochloride, 100 mcg | 1,730 | 36 | $0 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 1,413 | 460 | $8 | |
36415 |
Insertion of needle into vein for collection of blood sample | 1,407 | 453 | $8 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 2,024. This provider delivers 74× the peer median.Open Payments
Industry payments received
All-time total
$218
Transactions
5
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 1 | $124.99 | |
| Apellis Pharmaceuticals, Inc. | 1 | $30.29 | |
| Alexion Pharmaceuticals, Inc. | 1 | $30.00 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $17.02 | |
| GENZYME CORPORATION | 1 | $16.18 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
681
Patients
178
Total drug cost
$498,306
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 133 | 42 | $3,950 |
| Prednisone | Generic | 89 | 32 | $636 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 75 | 29 | $1,695 |
| Eliquis (Apixaban) | Brand | 58 | 13 | $39,232 |
| Acyclovir | Generic | 44 | 0 | $664 |
| Letrozole | Generic | 43 | 11 | $913 |
| Hydroxyurea | Generic | 37 | 13 | $770 |
| Dexamethasone | Generic | 32 | 18 | $809 |
| Gabapentin | Generic | 27 | 0 | $287 |
| Xarelto (Rivaroxaban) | Brand | 27 | 0 | $33,085 |
Hospital affiliations
Frequently asked questions
What is Dr. Alyssa Rieber's medical specialty?
Dr. Alyssa Rieber practices Hematology & Oncology Physician in Fredericksburg, TX.
Where does Dr. Alyssa Rieber practice?
Dr. Alyssa Rieber practices at 506 W Windcrest St Ste 300, Fredericksburg, TX 786244639. Office phone: 8309900255.
What is Dr. Alyssa Rieber's NPI?
Dr. Alyssa Rieber's National Provider Identifier (NPI) is 1639265796, issued by NPPES.
Does Dr. Alyssa Rieber accept Medicare assignment?
Yes. Dr. Alyssa Rieber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyssa Rieber commonly perform?
Top Medicare-reported procedures in 2023: Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.