ALYSSA G RIEBER M.D.
NPI 1639265796
Internal Medicine - Hematology & Oncology in Fredericksburg, TX

Active since October 05, 2006PECOS EnrolledAccepts Medicare Assignment
89.44/100
CMS Quality Rating
506 W WINDCREST ST STE 300, FREDERICKSBURG, TX 78624(830) 990-0255(830) 997-7569 Get Directions Write a Review

NPPES record last updated: January 15, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 15, 2021, Dec 7, 2020, Aug 29, 2018 (3 updates tracked since 2018).

About Alyssa G Rieber M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALYSSA G RIEBER M.D. (NPI 1639265796) is an individual hematology & oncology provider in Fredericksburg, Texas, licensed in Texas (L7863) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Peterson Regional Medical Center, and is a graduate of University Of Alabama School Of Medicine (2001).

NPPES Registry Identity

NPI1639265796
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameALYSSA G RIEBERCredential: M.D.
Location Address506 W WINDCREST ST STE 300Fredericksburg, TX 78624-4639
Mailing AddressPo Box 911230Dallas, TX 75391-1230 · (972) 997-8000 · Fax (972) 234-2987
Fax(830) 997-7569
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 2001
Enumeration DateOctober 5, 2006
Last NPPES UpdateJanuary 15, 20213 updates tracked since enumeration
NPPES CertifiedJanuary 15, 2021
NPI 1639265796 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in TX · L7863
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License L7863 (TX)
506 W WINDCREST ST STE 300, Fredericksburg, TX 78624

Other Identifiers 3

Medicaid167226302TX
Medicaid167226304TX
Other8K5269TX · Bcbs

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alyssa G Rieber M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911971387
PECOS Enrollment IDI20040823000142
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 71

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) Q0138
Ferumoxytol injection is a treatment for iron deficiency anemia, a condition where your body lacks enough iron. It is injected into your vein to increase iron levels, aiding in the production of healthy red blood cells. This treatment is not for ESRD patients.
63,750 services37 patients
Injection, pembrolizumab, 1 mg J9271
Pembrolizumab is a medication given via injection to help your body's immune system fight certain types of cancer. It's typically administered in a hospital or clinic by a healthcare professional.
18,600 services16 patients
Injection, fosaprepitant, 1 mg J1453
Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.
17,400 services28 patients
Injection, darbepoetin alfa, 1 microgram (non-esrd use) J0881
Darbepoetin alfa injection is a medication used to treat anemia (low red blood cell count) often caused by chronic kidney disease or chemotherapy. It works by stimulating your body to produce more red blood cells, helping to increase your energy and well-being.
16,530 services12 patients
Injection, iron sucrose, 1 mg J1756
Iron sucrose injection is a treatment given to replenish iron in your body, often used when oral iron supplements are not effective. This helps your body make red blood cells, improving health and energy levels.
8,500 services11 patients
Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg J1568
This procedure involves an intravenous injection of Octagam, a liquid immune globulin. It is a blood product that helps your body fight off infections. It's given through a vein (IV) and each dose contains 500 mg of the medication.
7,810 services22 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Peterson Regional Medical Center

Acute Care Hospitals · Kerrville, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450007
Location551 Hill Country DriveKerrville, TX 78028 · Kerr County
Emergency services Birthing friendly

Hill Country Memorial Hospital

Acute Care Hospitals · Fredericksburg, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number450604
Location1020 South State Highway 16Fredericksburg, TX 78624 · Gillespie County
Emergency services Birthing friendly

Kimble Hospital

Critical Access Hospitals · Junction, TX
OwnershipProprietary
CMS Certification Number451306
Location349 Reid RoadJunction, TX 76849 · Kimble County
Emergency services

Heart Of Texas Memorial Hospital

Critical Access Hospitals · Brady, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number451348
Location2008 Nine RoadBrady, TX 76825 · Mc Culloch County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78624 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$166.88 typical visit price
range $54.84 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.44/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality75.85
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier34 claims3,330 services$0.66 avg. paid by Medicare
Temozolomide, oral, 5 mg J8700
Treatment-Treatment - Miscellaneous · category RX000N
1 supplier18 claims2,490 services$0.23 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
1 supplier31 claims31 services$18.34 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
1 supplier22 claims23 services$12.62 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Acute Care)
506 W WINDCREST ST STE 300
FREDERICKSBURG, TX 78624
Clinical Nurse Specialist (Oncology)
506 W WINDCREST ST STE 300
FREDERICKSBURG, TX 78624

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alyssa Rieber's NPI number?

The NPI number for Alyssa Rieber is 1639265796. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Alyssa Rieber located?

Alyssa Rieber practices at 506 W Windcrest St Ste 300, Fredericksburg, TX 78624. The listed phone number is (830) 990-0255.

What is Alyssa Rieber's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Alyssa Rieber enrolled in Medicare?

Yes. Alyssa Rieber is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Alyssa Rieber accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 5 other insurers list Alyssa Rieber as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Alyssa Rieber affiliated with any hospitals?

According to CMS data, Alyssa Rieber is affiliated with Peterson Regional Medical Center, Hill Country Memorial Hospital, Kimble Hospital and Heart Of Texas Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Alyssa Rieber was last updated on January 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.