Melissa Amy Grizzle, FNP
- Medicare patients, 2024
- 58
- Part D claims, 2024
- 1,274
- Hospital affiliations
- 1
- Industry payments
- $23
- Medical group
- 1
- Practice address
- 4921 Parkview Pl, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-5192
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Washington University School of Medicine
Saint Louis, Missouri
Find Melissa Grizzle'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.
Melissa Amy Grizzle is a family nurse practitioner in Saint Louis, Missouri
Melissa Grizzle practices at Washington University School of Medicine in Saint Louis, Missouri.
Melissa Grizzle's NPI, 1205124070, was assigned on July 14, 2011. Melissa Grizzle holds Missouri license 2010010923.
- NPI
- 1205124070NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284892753
- NPI enumeration date
- July 14, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 747-5192
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Melissa Amy Grizzle practices at Washington University School of Medicine in Saint Louis, Missouri
Melissa Grizzle's primary practice is Washington University School of Medicine, at 4921 Parkview Pl, Saint Louis, MO 63110 in Saint Louis City. The practice phone is (314) 747-5192.
- Washington University School of Medicine4921 Parkview Pl, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-5192
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Melissa Amy Grizzle is affiliated with 2 sites of care and 1 medical group
Melissa Grizzle's primary practice is Washington University School of Medicine in Saint Louis, Missouri. Melissa Grizzle is also affiliated with Barnes-Jewish Hospital. The medical group on file is WashU Medicine Psychiatry.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Melissa Amy Grizzle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Melissa Grizzle practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Washington University School of Medicine | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Melissa Amy Grizzle is one of 3,989 family nurse practitioners in Missouri
Family is Melissa Grizzle's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Melissa Grizzle is licensed in Missouri.
Specialties and state licenses
- Family nurse practitioner, MissouriPrimary
Family nurse practitioners near Melissa Grizzle
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
Melissa Amy Grizzle treated 58 Medicare patients in 2024, average age 73
CMS counts 58 Medicare patients who saw Melissa Grizzle in 2024. The largest group is 65 to 74, with 30 patients. 74% of them have high blood pressure, and 57% have cancer. Their average risk score is 2.24, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Melissa Grizzle's median patient age at 70, with 52% women.
Melissa Grizzle's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Melissa Grizzle's Medicare patients by sex, 2024
- Women2848%
- Men3052%
Chronic conditions among Melissa Grizzle's Medicare patients, 2024
- High blood pressure74%
- Cancer57%
- High cholesterol55%
- Diabetes43%
- Arthritis33%
- Anxiety28%
- Chronic kidney disease28%
- Ischemic heart disease24%
Share of Medicare patients with each condition. A patient can have several.
Melissa Grizzle's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Melissa Amy Grizzle wrote 1,274 Medicare Part D claims in 2024
In 2024, Melissa Grizzle wrote 1,274 Medicare Part D claims for 220 patients. 88% of them were for generic drugs.
Melissa Grizzle's Part D claims by kind of drug, 2024
- Generic1,123 claims88%
- Brand-name and other151 claims12%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Melissa Amy Grizzle takes part in Medicare
Melissa Grizzle 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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Melissa Amy Grizzle received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to Melissa Grizzle from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $23.
Companies that paid Melissa Grizzle 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 Melissa Amy Grizzle'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 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) |
| 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 Melissa Amy Grizzle
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Melissa Amy Grizzle's NPI number?
Melissa Amy Grizzle's NPI number is 1205124070. It was assigned on July 14, 2011, and it is active in the NPI Registry.
What does Melissa Amy Grizzle specialize in?
Melissa Amy Grizzle 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 Melissa Amy Grizzle practice?
Melissa Grizzle practices at 4921 Parkview Pl, Saint Louis, MO 63110. Melissa Grizzle's primary practice is Washington University School of Medicine in Saint Louis, Missouri.
What is Melissa Amy Grizzle's office phone number?
The practice phone on file for Melissa Grizzle is (314) 747-5192.
What is Melissa Amy Grizzle's medical license number?
Melissa Grizzle holds Missouri license 2010010923.
Which hospitals is Melissa Amy Grizzle affiliated with?
Melissa Grizzle is affiliated with Barnes-Jewish Hospital.
What medical group is Melissa Amy Grizzle part of?
Melissa Grizzle is linked to WashU Medicine Psychiatry.
Does Melissa Amy Grizzle accept Medicare?
Yes. CMS lists Melissa Grizzle as accepting Medicare assignment.
How many Medicare patients does Melissa Amy Grizzle see?
CMS counts 58 Medicare patients who saw Melissa Grizzle in 2024, with an average age of 73.
Has Melissa Amy Grizzle received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Melissa Grizzle from 1 company from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Melissa Amy Grizzle been practicing?
Melissa Grizzle graduated from medical school in 2009, 17 years ago.
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