Tammy L. Prewitt, FNP
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 3,550
- Hospital affiliations
- 2
- Medical group
- 1
- 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 Tammy Prewitt'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 L. Prewitt is a family nurse practitioner in Saint Louis, Missouri
Tammy Prewitt practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Tammy Prewitt's NPI, 1831283894, was assigned on October 3, 2006. Tammy Prewitt holds Missouri license 131584.
- NPI
- 1831283894NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931391620
- NPI enumeration date
- October 3, 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
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Tammy L. Prewitt practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Tammy Prewitt'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
Tammy L. Prewitt is affiliated with 3 sites of care and 1 medical group
Tammy Prewitt's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Tammy Prewitt is also affiliated with Mercy Hospital Washington. The medical group on file is Mercy Clinic East Communities. Dmand AI also links Tammy Prewitt to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Tammy L. Prewitt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Prewitt practices, 3 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 |
| +2 more affiliated sites | 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.
Tammy L. Prewitt is one of 3,989 family nurse practitioners in Missouri
Family is Tammy Prewitt's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Tammy Prewitt is licensed in Missouri.
Specialties and state licenses
- Family nurse practitioner, MissouriPrimary
Family nurse practitioners near Tammy Prewitt
Counts of family 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 L. Prewitt treated 101 Medicare patients in 2024, average age 74
CMS counts 101 Medicare patients who saw Tammy Prewitt in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.26, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tammy Prewitt's median patient age at 63, with 49% women.
Tammy Prewitt's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Tammy Prewitt's Medicare patients by sex, 2024
- Women4848%
- Men5352%
Chronic conditions among Tammy Prewitt's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease35%
- Chronic kidney disease33%
- Diabetes29%
- Mood disorders27%
- Anxiety26%
Share of Medicare patients with each condition. A patient can have several.
Tammy Prewitt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tammy L. Prewitt wrote 3,550 Medicare Part D claims in 2024
In 2024, Tammy Prewitt wrote 3,550 Medicare Part D claims for 562 patients. 90% of them were for generic drugs.
Tammy Prewitt's Part D claims by kind of drug, 2024
- Generic3,187 claims90%
- Brand-name347 claims10%
- Other16 claims0%
Drug classes CMS tracks in Tammy Prewitt's Part D claims, 2024
- Antibiotics3%90 of 3,550 claims
- Antipsychotics, patients 65 and over0%15 of 3,550 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
Tammy L. Prewitt offers telehealth to Medicare patients
Tammy Prewitt accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Tammy Prewitt as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Tammy L. Prewitt'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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 L. Prewitt
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 L. Prewitt's NPI number?
Tammy L. Prewitt's NPI number is 1831283894. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What does Tammy L. Prewitt specialize in?
Tammy L. Prewitt is a family nurse practitioner in Saint Louis, Missouri. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Tammy L. Prewitt practice?
Tammy Prewitt practices at 615 New Ballas Road, Saint Louis, MO 63141. Tammy Prewitt's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Tammy Prewitt to 1 group practice or clinic.
What is Tammy L. Prewitt's office phone number?
The practice phone on file for Tammy Prewitt is (314) 251-6000.
What is Tammy L. Prewitt's medical license number?
Tammy Prewitt holds Missouri license 131584.
Which hospitals is Tammy L. Prewitt affiliated with?
Tammy Prewitt practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Tammy Prewitt is also affiliated with Mercy Hospital Washington.
What medical group is Tammy L. Prewitt part of?
Tammy Prewitt is linked to Mercy Clinic East Communities.
Does Tammy L. Prewitt accept Medicare?
Yes. CMS lists Tammy Prewitt as accepting Medicare assignment.
Does Tammy L. Prewitt offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Tammy Prewitt as offering telehealth services.
How many Medicare patients does Tammy L. Prewitt see?
CMS counts 101 Medicare patients who saw Tammy Prewitt in 2024, with an average age of 74.
How long has Tammy L. Prewitt been practicing?
Tammy Prewitt graduated from medical school in 2000, 26 years ago.
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