Joel Thomas Greatting
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 71
- Hospital affiliations
- 1
- Industry payments
- $114
- Medical group
- 1
- Practice address
- 625 S New Ballas Rd, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6970
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mercy Heart and Vascular Hospital St. Louis
Saint Louis, Missouri
Find Joel Greatting'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.
Joel Thomas Greatting is an acute care nurse practitioner in Saint Louis, Missouri
Joel Greatting practices at Mercy Heart and Vascular Hospital St. Louis in Saint Louis, Missouri.
Joel Greatting's NPI, 1811654593, was assigned on November 17, 2021. Joel Greatting holds Missouri license 2021046561.
- NPI
- 1811654593NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648661363
- NPI enumeration date
- November 17, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6970
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Joel Thomas Greatting practices at Mercy Heart and Vascular Hospital St. Louis in Saint Louis, Missouri
Joel Greatting's primary practice is Mercy Heart and Vascular Hospital St. Louis, at 625 S New Ballas Rd, Saint Louis, MO 63141 in Saint Louis County. The practice phone is (314) 251-6970.
- Mercy Heart and Vascular Hospital St. Louis625 S New Ballas Rd, Saint Louis, MO 63141 · Saint Louis CountyPhone(314) 251-6970
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Joel Thomas Greatting is affiliated with 3 sites of care and 1 medical group
Joel Greatting's primary practice is Mercy Heart and Vascular Hospital St. Louis in Saint Louis, Missouri. Joel Greatting is also affiliated with Mercy Hospital South. The medical group on file is Mercy Clinic Cardiovascular and Thoracic Surgery. Dmand AI also links Joel Greatting to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Joel Thomas Greatting's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joel Greatting practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Heart and Vascular Hospital St. Louis | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Joel Thomas Greatting is one of 349 acute care nurse practitioners in Missouri
Acute care is Joel Greatting's primary specialty in the NPI Registry, under taxonomy code 363LA2100X. Joel Greatting is licensed in Missouri.
Specialties and state licenses
- Acute care nurse practitioner, MissouriPrimary
Acute care nurse practitioners near Joel Greatting
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
Joel Thomas Greatting treated 33 Medicare patients in 2024, average age 75
CMS counts 33 Medicare patients who saw Joel Greatting in 2024. The largest group is 75 to 84, with 16 patients. 75% of them have heart failure, and 75% have high blood pressure. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Joel Greatting's median patient age at 68, with 37% women.
Joel Greatting's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Joel Greatting's Medicare patients, 2024
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Chronic kidney disease55%
- Atrial fibrillation45%
- Diabetes42%
- Arthritis39%
Share of Medicare patients with each condition. A patient can have several.
Joel Greatting's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women37%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Joel Thomas Greatting wrote 71 Medicare Part D claims in 2024
In 2024, Joel Greatting wrote 71 Medicare Part D claims for 36 patients. 92% of them were for generic drugs.
Joel Greatting's Part D claims by kind of drug, 2024
- Generic65 claims92%
- Brand-name and other6 claims8%
Drug classes CMS tracks in Joel Greatting's Part D claims, 2024
- Antibiotics23%16 of 71 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
How Joel Thomas Greatting takes part in Medicare
Joel Greatting accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Joel Thomas Greatting received $114 in industry payments in 2025
CMS Open Payments shows 5 general payments to Joel Greatting from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $44.
Companies that paid Joel Greatting 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 Joel Thomas Greatting'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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 Joel Thomas Greatting
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joel Thomas Greatting's NPI number?
Joel Thomas Greatting's NPI number is 1811654593. It was assigned on November 17, 2021, and it is active in the NPI Registry.
What does Joel Thomas Greatting specialize in?
Joel Thomas Greatting is an acute care nurse practitioner in Saint Louis, Missouri. The primary specialty in the NPI Registry is Acute Care Nurse Practitioner (taxonomy code 363LA2100X).
Where does Joel Thomas Greatting practice?
Joel Greatting practices at 625 S New Ballas Rd, Saint Louis, MO 63141. Joel Greatting's primary practice is Mercy Heart and Vascular Hospital St. Louis in Saint Louis, Missouri. Dmand AI also links Joel Greatting to 1 group practice or clinic.
What is Joel Thomas Greatting's office phone number?
The practice phone on file for Joel Greatting is (314) 251-6970.
What is Joel Thomas Greatting's medical license number?
Joel Greatting holds Missouri license 2021046561.
Which hospitals is Joel Thomas Greatting affiliated with?
Joel Greatting is affiliated with Mercy Hospital South.
What medical group is Joel Thomas Greatting part of?
Joel Greatting is linked to Mercy Clinic Cardiovascular and Thoracic Surgery.
Does Joel Thomas Greatting accept Medicare?
Yes. CMS lists Joel Greatting as accepting Medicare assignment.
How many Medicare patients does Joel Thomas Greatting see?
CMS counts 33 Medicare patients who saw Joel Greatting in 2024, with an average age of 75.
Has Joel Thomas Greatting received payments from drug or device companies?
CMS Open Payments shows $114 in general payments to Joel Greatting from 4 companies from 2025 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Joel Thomas Greatting been practicing?
Joel Greatting graduated from medical school in 2021, 5 years ago.
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