Tracy M. Hasler, NP
- Part D claims, 2024
- 6,743
- Hospital affiliations
- 3
- Industry payments
- $317
- Medical groups
- 3
- State license
- 1
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Tracy Hasler'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.
Tracy M. Hasler is a nurse practitioner in Saint Louis, Missouri
Tracy Hasler practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Tracy Hasler's NPI, 1336230499, was assigned on September 27, 2006. Tracy Hasler holds Missouri license 155893.
- NPI
- 1336230499NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921160003
- NPI enumeration date
- September 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tracy M. Hasler practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Tracy Hasler's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Tracy M. Hasler is affiliated with 5 sites of care and 3 medical groups
Tracy Hasler's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Tracy Hasler is also affiliated with Mercy Hospital South. The medical group on file is Mercy Clinic East Communities. Dmand AI also links Tracy Hasler to 1 more hospital, 2 medical groups, 1 group practice or clinic and 1 rural health clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tracy M. Hasler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tracy Hasler practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
| +4 more sites and 2 medical groups | 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 Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Tracy M. Hasler is one of 1,347 nurse practitioners in Missouri
Nurse practitioner is Tracy Hasler's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Tracy Hasler is licensed in Missouri.
Specialties and state licenses
- Nurse practitioner, MissouriPrimary
Nurse practitioners near Tracy Hasler
Counts of 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
Tracy M. Hasler's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Tracy Hasler's median patient age at 75, with 65% women.
Tracy Hasler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Tracy M. Hasler wrote 6,743 Medicare Part D claims in 2024
In 2024, Tracy Hasler wrote 6,743 Medicare Part D claims for 486 patients. 89% of them were for generic drugs.
Tracy Hasler's Part D claims by kind of drug, 2024
- Generic5,969 claims89%
- Brand-name712 claims11%
- Other62 claims1%
Drug classes CMS tracks in Tracy Hasler's Part D claims, 2024
- Opioids2%141 of 6,743 claims
- Antibiotics2%165 of 6,743 claims
- Antipsychotics, patients 65 and over0%16 of 6,743 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Tracy M. Hasler offers telehealth to Medicare patients
Tracy Hasler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Tracy Hasler as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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.
Tracy M. Hasler received $317 in industry payments in 2025
CMS Open Payments shows 15 general payments to Tracy Hasler from 14 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Spinal Simplicity, LLC paid the most, $38.
Companies that paid Tracy Hasler 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 Tracy M. Hasler'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Tracy M. Hasler
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What is Tracy M. Hasler's NPI number?
Tracy M. Hasler's NPI number is 1336230499. It was assigned on September 27, 2006, and it is active in the NPI Registry.
What does Tracy M. Hasler specialize in?
Tracy M. Hasler is a nurse practitioner in Saint Louis, Missouri. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Tracy M. Hasler practice?
Tracy Hasler practices at 615 New Ballas Road, Saint Louis, MO 63141. Tracy Hasler's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Tracy Hasler to 1 hospital, 2 medical groups, 1 group practice or clinic and 1 rural health clinic.
What is Tracy M. Hasler's office phone number?
The practice phone on file for Tracy Hasler is (314) 251-6000.
What is Tracy M. Hasler's medical license number?
Tracy Hasler holds Missouri license 155893.
Which hospitals is Tracy M. Hasler affiliated with?
Tracy Hasler practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Tracy Hasler is also affiliated with Mercy Hospital South. Dmand AI links Tracy Hasler to 1 more hospital.
What medical group is Tracy M. Hasler part of?
Tracy Hasler is linked to Mercy Clinic East Communities. Dmand AI links Tracy Hasler to 2 more medical groups.
Does Tracy M. Hasler accept Medicare?
Yes. CMS lists Tracy Hasler as accepting Medicare assignment.
Does Tracy M. Hasler offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Tracy Hasler as offering telehealth services.
Has Tracy M. Hasler received payments from drug or device companies?
CMS Open Payments shows $317 in general payments to Tracy Hasler from 14 companies from 2025 to 2025. The largest total came from Spinal Simplicity, LLC.
How long has Tracy M. Hasler been practicing?
Tracy Hasler graduated from medical school in 2004, 22 years ago.
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