Tammy R. Koelsch, ACNP
- Part D claims, 2024
- 49
- Hospital affiliations
- 1
- Industry payments
- $24
- Medical groups
- 2
- State license
- 1
- Practice address
- 1515 Holcombe Blvd, Houston, TX 77030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Tammy Koelsch's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Tammy R. Koelsch is an acute care nurse practitioner in Houston, Texas
Tammy Koelsch practices at The University of Texas MD Anderson Cancer Center in Houston, Texas, part of The University of Texas System.
Tammy Koelsch's NPI, 1134430002, was assigned on June 25, 2010. Tammy Koelsch holds Texas license AP119006.
- NPI
- 1134430002NPI Registry (opens in a new tab)
- NPI enumeration date
- June 25, 2010
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tammy R. Koelsch practices at The University of Texas MD Anderson Cancer Center in Houston, Texas
Tammy Koelsch's primary practice is The University of Texas MD Anderson Cancer Center, at 1515 Holcombe Blvd, Houston, TX 77030.
- The University of Texas MD Anderson Cancer Center1515 Holcombe Blvd, Houston, TX 77030
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tammy R. Koelsch is affiliated with 1 site of care and 2 medical groups
Tammy Koelsch's primary practice is The University of Texas MD Anderson Cancer Center in Houston, Texas, part of The University of Texas System. The medical group on file is Texas Digestive Disease Consultants. Dmand AI also links Tammy Koelsch to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tammy R. Koelsch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Koelsch practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Texas MD Anderson Cancer Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across The University of Texas System and 6.2K+ hospitals, with verified contacts in the same login.
Tammy R. Koelsch is one of 2,587 acute care nurse practitioners in Texas
Acute care is Tammy Koelsch's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Tammy Koelsch is licensed in Texas.
Specialties and state licenses
- Acute care nurse practitioner, TexasPrimary
Acute care nurse practitioners near Tammy Koelsch
Counts of acute care nurse practitioners 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
Tammy R. Koelsch's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Tammy Koelsch's median patient age at 79, with 100% women.
Tammy Koelsch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Tammy R. Koelsch wrote 49 Medicare Part D claims in 2024
In 2024, Tammy Koelsch wrote 49 Medicare Part D claims for 18 patients. 94% of them were for generic drugs.
Tammy Koelsch's Part D claims by kind of drug, 2024
- Generic46 claims94%
- Brand-name and other3 claims6%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Tammy R. Koelsch received $24 in industry payments in 2025
CMS Open Payments shows 1 general payment to Tammy Koelsch from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $24.
Companies that paid Tammy Koelsch the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Tammy R. Koelsch'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Tammy R. Koelsch
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tammy R. Koelsch's NPI number?
Tammy R. Koelsch's NPI number is 1134430002. It was assigned on June 25, 2010, and it is active in the NPI Registry.
What does Tammy R. Koelsch specialize in?
Tammy R. Koelsch is an acute care nurse practitioner in Houston, Texas. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Tammy R. Koelsch practice?
Tammy Koelsch practices at 1515 Holcombe Blvd, Houston, TX 77030. Tammy Koelsch's primary practice is The University of Texas MD Anderson Cancer Center in Houston, Texas, part of The University of Texas System. Dmand AI also links Tammy Koelsch to 1 medical group.
What is Tammy R. Koelsch's medical license number?
Tammy Koelsch holds Texas license AP119006.
Which hospitals is Tammy R. Koelsch affiliated with?
Tammy Koelsch practices at The University of Texas MD Anderson Cancer Center in Houston, Texas.
What medical group is Tammy R. Koelsch part of?
Tammy Koelsch is linked to Texas Digestive Disease Consultants. Dmand AI links Tammy Koelsch to 1 more medical group.
Has Tammy R. Koelsch received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Tammy Koelsch from 1 company from 2025 to 2025. The largest total came from Hologic Inc.
How long has Tammy R. Koelsch been practicing?
Tammy Koelsch graduated from medical school in 2009, 17 years ago.
Selling to acute care practices?
See acute care nurse practitioners in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card