Dr. Robert G Morrison , MD, PhD
Internal Medicine • Austin, TX
4614 N Ih 35
Austin, TX 787513401
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
-
Dr. Robert Morrison is listed in NPPES under Internal Medicine.
-
NPI assigned on December 26, 2006; this date does not establish years in practice.
-
Published CMS data list 4,118 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
-
Published Part D records, 2024:
- Biktarvy (Bictegrav/Emtricit/Tenofov Ala) — 244 prescription fills, including refills.
- Tivicay (Dolutegravir Sodium) — 192 prescription fills, including refills.
- Atorvastatin Calcium — 173 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 113 records in the table · Guide: How to read Medicare Part D prescriber data
-
More Part D prescriptions than 80% of clinicians listed under Internal Medicine in Austin, TX (2024, 299 clinicians with data). Median for this group: 278. Middle half: 56 to 2,862.
More Part D prescriptions than 70% of clinicians listed under Internal Medicine in Texas (2024, 5,674 clinicians with data). Median for this group: 828. Middle half: 121 to 4,824.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Billing and prescribing volume is not a quality rating.
-
Medicare Part D prescriptions went from 4,169 in 2020 to 4,118 in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2020–2024.
Practice Location & Contact Primary Location
4614 N Ih 35
Austin, TX 787513401
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: Central Texas Community Health Centers. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
Js Weill Medical College, Cornell University
1992
What Public CMS Data Show
Internal Medicine: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
5,696 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$3,958,905 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $17,502.90 across 17 records.
By nature of payment
- Consulting Fee: $14,300.00 across 9 records.
- Travel and Lodging: $2,621.73 across 3 records.
- Food and Beverage: $581.17 across 5 records.
Reporting-company totals
- Shockwave Medical, Inc: $17,502.90 across 17 records.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
34 years (graduated 1992)
CMS Doctors and Clinicians data list 1992 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
May accept Medicare assignment
CMS data show this clinician may accept Medicare assignment. Clinicians who do not always accept assignment can decide case by case.
Ask the office before your visit. If a clinician does not accept assignment for a service, they can charge up to 15% more than the Medicare-approved amount, and you may be asked to pay the full amount at the visit.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Morrison has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Morrison as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Austin and Texas
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
More Part D prescriptions than 80% of clinicians listed under Internal Medicine in Austin, TX (2024, 299 clinicians with data). Median for this group: 278. Middle half: 56 to 2,862.
More Part D prescriptions than 70% of clinicians listed under Internal Medicine in Texas (2024, 5,674 clinicians with data). Median for this group: 828. Middle half: 121 to 4,824.
Part D drug cost
A higher Part D drug cost than 95% of clinicians listed under Internal Medicine in Austin, TX (2024, 299 clinicians with data). Median for this group: $16,522. Middle half: $774 to $198,601.
A higher Part D drug cost than 95% of clinicians listed under Internal Medicine in Texas (2024, 5,674 clinicians with data). Median for this group: $64,859. Middle half: $4,211 to $436,775.
607 active clinicians are listed under Internal Medicine with a practice address in Austin, TX (9,191 in Texas).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Austin
16.5% of these 607 clinicians have the CMS telehealth indicator.
46.1% of these 607 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
-
Medicare Part D prescriptions
Medicare Part D prescriptions stayed about the same: 4,169 in 2020 and 4,118 in 2024.
- 2020: 4,169
- 2021: 3,780
- 2022: 3,746
- 2023: 4,045
- 2024: 4,118
-
30-day fills
30-day fills stayed about the same: 5,995 in 2020 and 5,696 in 2024.
- 2020: 5,995
- 2021: 5,270
- 2022: 5,249
- 2023: 5,541
- 2024: 5,696
-
Part D drug cost
Part D drug cost stayed about the same: $4,029,840 in 2020 and $3,958,905 in 2024.
- 2020: $4,029,840
- 2021: $3,967,184
- 2022: $3,933,454
- 2023: $4,020,041
- 2024: $3,958,905
-
Industry payments (Open Payments)
CMS data for industry payments (Open Payments) are available for 2025 only.
Sources: CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): 17 records totaling $17,502.90.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Shockwave Medical, Inc |
Consulting Fee
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $2,200.00 |
| Shockwave Medical, Inc |
Consulting Fee
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $2,200.00 |
| Shockwave Medical, Inc |
Consulting Fee
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $2,200.00 |
| Shockwave Medical, Inc |
Consulting Fee
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $2,200.00 |
| Shockwave Medical, Inc |
Consulting Fee
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $2,200.00 |
| Shockwave Medical, Inc |
Consulting Fee
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $1,100.00 |
| Shockwave Medical, Inc |
Consulting Fee
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $1,100.00 |
| Shockwave Medical, Inc |
Travel and Lodging
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $1,089.40 |
| Shockwave Medical, Inc |
Travel and Lodging
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $787.92 |
| Shockwave Medical, Inc |
Travel and Lodging
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $744.41 |
| Shockwave Medical, Inc |
Consulting Fee
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $550.00 |
| Shockwave Medical, Inc |
Consulting Fee
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $550.00 |
| Shockwave Medical, Inc |
Food and Beverage
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $183.44 |
| Shockwave Medical, Inc |
Food and Beverage
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $133.72 |
| Shockwave Medical, Inc |
Food and Beverage
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $112.14 |
| Shockwave Medical, Inc |
Food and Beverage
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $97.30 |
| Shockwave Medical, Inc |
Food and Beverage
Cash or cash equivalent
|
Shockwave IVL System with the Shockwave C2 Coronary IVL Catheter | General | $54.57 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Biktarvy | Bictegrav/Emtricit/Tenofov Ala | 244 | 7,320 | $986,709.42 | 34 |
| Tivicay | Dolutegravir Sodium | 192 | 5,820 | $496,438.32 | 26 |
| Atorvastatin Calcium | Atorvastatin Calcium | 173 | 10,785 | $1,102.28 | 42 |
| Dovato | Dolutegravir Sodium/Lamivudine | 157 | 4,710 | $471,498.10 | 15 |
| Descovy | Emtricitabine/Tenofov Alafenam | 89 | 2,670 | $203,934.51 | 11 |
| Amlodipine Besylate | Amlodipine Besylate | 84 | 5,219 | $461.41 | 23 |
| Prezcobix | Darunavir/Cobicistat | 81 | 2,490 | $215,275.01 | 12 |
| Gabapentin | Gabapentin | 80 | 3,760 | $982.61 | 16 |
| Bupropion Xl | Bupropion Hcl | 80 | 4,233 | $1,708.35 | 16 |
| Tramadol Hcl | Tramadol Hcl | 79 | 1,713 | $837.54 | 14 |
| Lisinopril | Lisinopril | 77 | 4,650 | $313.71 | 16 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 75 | 4,950 | $363.40 | 18 |
| Symtuza | Darunavir/Cob/Emtri/Tenof Alaf | 70 | 2,100 | $309,869.96 | — |
| Albuterol Sulfate Hfa | Albuterol Sulfate | 69 | 2,027 | $1,887.72 | 14 |
| Odefsey | Emtricitab/Rilpiviri/Tenof Ala | 60 | 1,800 | $231,606.31 | — |
| Ritonavir | Ritonavir | 60 | 2,640 | $5,843.55 | 11 |
| Ozempic | Semaglutide | 59 | 2,238 | $74,971.71 | — |
| Fluticasone Propionate | Fluticasone Propionate | 58 | 2,400 | $754.99 | 11 |
| Pantoprazole Sodium | Pantoprazole Sodium | 55 | 2,910 | $275.06 | 14 |
| Pifeltro | Doravirine | 55 | 1,650 | $99,336.50 | — |
| Darunavir | Darunavir | 55 | 1,650 | $68,567.95 | — |
| Alprazolam | Alprazolam | 54 | 1,362 | $240.66 | — |
| Aripiprazole | Aripiprazole | 54 | 2,406 | $1,681.60 | 11 |
| Escitalopram Oxalate | Escitalopram Oxalate | 53 | 2,430 | $332.04 | 12 |
| Hydrocodone-Acetaminophen | Hydrocodone/Acetaminophen | 52 | 1,243 | $2,177.56 | — |
(top 25 shown)
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
NUCC Taxonomy Code: 2084P0800X
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Additional State Medicaid & Healthcare Payer Identifiers
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - INTERNAL MEDICINE
I20251009004336
TX
4880678192
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Central Texas Community Health Centers
4614 N Ih, Austin, TX 787513401
Phone: 5129789100
Central Texas Community Health Centers
1000 E 41st St, Austin, TX 787514856
Phone: 5129789940
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Family Medicine
Doctor of Medicine (M.D.)
Family Medicine
Doctor of Osteopathic Medicine (D.O.)
Nurse Practitioner - Family
Family Nurse Practitioner
Family Medicine
Doctor of Medicine (M.D.)
Internal Medicine - Infectious Disease
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
NPI status registered as active in NPPES database
Registered at 4614 N IH 35, AUSTIN, TX 787513401 (Tel: 5129789100)
Registered at 4614 N IH 35, AUSTIN, TX 787513401 (Tel: 5129789100)
Recorded as ROBERT MORRISON, MD,PH.D
Internal Medicine (license number reported to NPPES: TX N7465)
NPI status registered as active in NPPES database
Registered at 4614 N IH 35, AUSTIN, TX 787513401 (Tel: 5129789100)
Registered at 15 WALLER ST, 5TH FLOOR, AUSTIN, TX 787025240 (Tel: 5129789000)
Recorded as ROBERT MORRISON, MD,PH.D
Internal Medicine (license number reported to NPPES: TX N7465)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Internal Medicine Providers in Austin
- Dr. Paul Stoufflet, MD
- Dr. Jagadheeswari Ramachandran, MD
- Dr. Glenda Ooroth, MD
- Dr. Steven Booton, MD
- Dr. Deepa Mittal, MD
- Dr. Anjana Philip, MD
Mailing Address
4614 N Ih 35
Austin, TX 787513401
Phone: 5129789100