Dr. Robert Louis Koster, MD
- Part D claims, 2024
- 62
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3600 Gaston Ave, Dallas, TX 75246-1800
- Practice phone
- Call (214) 824-4585
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Drs Koster Myers Chung & Garcia
Primary care practice · Dallas, Texas
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Dr. Robert Louis Koster is an internist in Waco, Texas
Dr. Koster practices at Drs Koster Myers Chung & Garcia in Dallas, Texas.
Dr. Koster's NPI, 1023116530, was assigned on September 20, 2006. Dr. Koster graduated from University of Miami, Miller School of Medicine in 1971. Dr. Koster holds Texas license E1640.
- NPI
- 1023116530NPI Registry (opens in a new tab)
- NPI enumeration date
- September 20, 2006
- NPI status
- Active
- Practice phone
- (214) 824-4585
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Louis Koster practices in Dallas and Waco
Dr. Koster's primary practice is Drs Koster Myers Chung & Garcia, at 3600 Gaston Ave, Dallas, TX 75246-1800. The practice phone is (214) 824-4585. The NPI Registry lists Dr. Koster's practice address as 6901 Medical Pkwy, Waco, TX 76712.
- Drs Koster Myers Chung & GarciaPrimary3600 Gaston Ave, Dallas, TX 75246-1800Phone(214) 824-4585
- NPI Registry address6901 Medical Pkwy, Waco, TX 76712 · Mclennan CountyPhone(214) 823-4200
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Robert Louis Koster is affiliated with 1 site of care and 1 medical group
Dr. Koster's primary practice is Drs Koster Myers Chung & Garcia in Dallas, Texas. Dmand AI also links Dr. Koster to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Robert Louis Koster's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koster practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Drs Koster Myers Chung & Garcia | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Louis Koster is one of 8,437 internists in Texas
Internal medicine is Dr. Koster's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Koster is board certified in internal medicine by the American Board of Internal Medicine. Dr. Koster is licensed in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
Internists near Dr. Koster
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Louis Koster's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Koster's median patient age at 49, with 28% women.
Dr. Koster's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women28%
- Men73%
Source: Dmand AI Patient Panel Data
Dr. Robert Louis Koster wrote 62 Medicare Part D claims in 2024
In 2024, Dr. Koster wrote 62 Medicare Part D claims. 94% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $81 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Koster's Part D claims by kind of drug, 2024
- Generic58 claims94%
- Brand-name and other4 claims6%
Dr. Koster's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 11No change
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Robert Louis Koster graduated from University of Miami, Miller School of Medicine
Dr. Koster graduated from University of Miami, Miller School of Medicine in 1971.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Louis Koster's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert Louis Koster
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert Louis Koster's NPI number?
Dr. Robert Louis Koster's NPI number is 1023116530. It was assigned on September 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Louis Koster?
Dr. Robert Louis Koster is an internist in Waco, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert Louis Koster practice?
Dr. Koster practices at 3600 Gaston Ave, Dallas, TX 75246-1800. Dr. Koster also practices at 6901 Medical Pkwy, Waco, TX 76712. Dr. Koster's primary practice is Drs Koster Myers Chung & Garcia in Dallas, Texas. Dmand AI also links Dr. Koster to 1 medical group.
What is Dr. Robert Louis Koster's office phone number?
The practice phone on file for Dr. Koster is (214) 824-4585.
What is Dr. Robert Louis Koster's medical license number?
Dr. Koster holds Texas license E1640.
Is Dr. Robert Louis Koster board certified?
Yes. Dr. Koster is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Robert Louis Koster go to medical school?
Dr. Koster graduated from University of Miami, Miller School of Medicine in 1971.
What drugs does Dr. Robert Louis Koster prescribe most?
In 2024 Medicare Part D data, Dr. Koster's most prescribed drugs by claims were Atorvastatin Calcium.
How long has Dr. Robert Louis Koster been practicing?
Dr. Koster graduated from medical school in 1971, 55 years ago.
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