Dr. Dion Grant Fisher, MD
- Medicare services, 2024
- 1,736
- Medicare patients, 2024
- 168
- Part D claims, 2024
- 6,841
- Hospital affiliations
- 5
- Industry payments
- $176
- Practice address
- 5034 Griffin Rd, Saint Louis, MO 63128
- Practice phone
- Call (314) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Esse Health
Saint Louis, Missouri
Find Dr. Fisher's professional email, personal email and mobile number
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Dr. Dion Grant Fisher is an internist in Saint Louis, Missouri
Dr. Fisher practices at Esse Health in Saint Louis, Missouri.
Dr. Fisher's NPI, 1285846055, was assigned on May 4, 2007. Dr. Fisher holds Missouri license 2007010564.
- NPI
- 1285846055NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305945395
- NPI enumeration date
- May 4, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 851-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dion Grant Fisher practices at Esse Health in Saint Louis, Missouri
Dr. Fisher's primary practice is Esse Health, at 5034 Griffin Rd, Saint Louis, MO 63128 in Saint Louis County. The practice phone is (314) 851-1000.
- Esse Health5034 Griffin Rd, Saint Louis, MO 63128 · Saint Louis CountyPhone(314) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Dion Grant Fisher is affiliated with 8 sites of care and 1 medical group
Dr. Fisher's primary practice is Esse Health in Saint Louis, Missouri. Dr. Fisher is also affiliated with Missouri Baptist Medical Center. The medical group on file is Esse Health. Dmand AI also links Dr. Fisher to 4 more hospitals, 1 group practice or clinic and 1 hospice, each named with a free account.
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 Dr. Dion Grant Fisher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fisher practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Esse Health | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dion Grant Fisher is one of 2,114 internists in Missouri
Internal medicine is Dr. Fisher's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fisher is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Fisher
Counts of internists 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
Dr. Dion Grant Fisher billed Medicare for 1,736 services in 2024
CMS data shows 1,736 Medicare services from Dr. Fisher across 25 procedure codes in 2024, for 168 Medicare patients. Medicare paid $49,716 for them. Every service was in an office.
Dr. Fisher's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,1012024: 96912%
- Office and hospital visits
- 2023: 3072024: 3022%
- Surgery
- 2023: 3062024: 27211%
- Tests and treatments
- 2023: 502024: 118136%
- Other services
- 2023: 752024: 75No change
Dr. Fisher compared with the Missouri median for internists, 2024
- Dr. Fisher
- Missouri median
- Medicare services
- 1,736vs 5303.3 times
- Medicare patients
- 168vs 21120% below
- Part D claims
- 6,322vs 32519.5 times
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Fisher's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fisher and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dion Grant Fisher treated 168 Medicare patients in 2024, average age 77
CMS counts 168 Medicare patients who saw Dr. Fisher in 2024. The largest group is 65 to 74, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fisher's median patient age at 71, with 56% women.
Dr. Fisher's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fisher's Medicare patients by sex, 2024
- Women8651%
- Men8249%
Chronic conditions among Dr. Fisher's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Chronic kidney disease40%
- Diabetes36%
- Ischemic heart disease36%
- Cancer23%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fisher's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dion Grant Fisher wrote 6,841 Medicare Part D claims in 2024
In 2024, Dr. Fisher wrote 6,841 Medicare Part D claims for 651 patients. 91% of them were for generic drugs. CMS names the drug for 6,322 of them, across 100 drugs with 11 or more claims each, at $235,415 in total drug cost. In 2023, CMS named 6,517 claims across 100 drugs.
Dr. Fisher's Part D claims by kind of drug, 2024
- Generic6,256 claims91%
- Brand-name530 claims8%
- Other55 claims1%
Dr. Fisher's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Fisher's Part D claims, 2024
- Opioids1%48 of 6,841 claims
- Antibiotics2%120 of 6,841 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,5172024: 6,3223%
Drugs named by CMS: 100 in 2024, 100 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Dion Grant Fisher takes part in Medicare
Dr. Fisher 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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Dr. Dion Grant Fisher received $176 in industry payments from 2017 to 2024
CMS Open Payments shows 10 general payments to Dr. Fisher from 5 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $85.
General payments to Dr. Fisher by program year, 2017 to 2024
Companies that paid Dr. Fisher the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Dion Grant Fisher'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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 Dr. Dion Grant Fisher
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Dion Grant Fisher's NPI number?
Dr. Dion Grant Fisher's NPI number is 1285846055. It was assigned on May 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Dion Grant Fisher?
Dr. Dion Grant Fisher is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Dion Grant Fisher practice?
Dr. Fisher practices at 5034 Griffin Rd, Saint Louis, MO 63128. Dr. Fisher's primary practice is Esse Health in Saint Louis, Missouri. Dmand AI also links Dr. Fisher to 4 hospitals, 1 group practice or clinic and 1 hospice.
What is Dr. Dion Grant Fisher's office phone number?
The practice phone on file for Dr. Fisher is (314) 851-1000.
What is Dr. Dion Grant Fisher's medical license number?
Dr. Fisher holds Missouri license 2007010564.
Which hospitals is Dr. Dion Grant Fisher affiliated with?
Dr. Fisher is affiliated with Missouri Baptist Medical Center. Dmand AI links Dr. Fisher to 4 more hospitals.
What medical group is Dr. Dion Grant Fisher part of?
Dr. Fisher is linked to Esse Health.
Does Dr. Dion Grant Fisher accept Medicare?
Yes. CMS data shows Dr. Fisher billed Medicare for 1,736 services in 2024, and Dr. Fisher accepts Medicare assignment.
How many Medicare patients does Dr. Dion Grant Fisher see?
CMS counts 168 Medicare patients who saw Dr. Fisher in 2024, with an average age of 77.
What services does Dr. Dion Grant Fisher bill to Medicare?
In 2024, Dr. Fisher's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and lab and pathology test (80053).
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What drugs does Dr. Dion Grant Fisher prescribe most?
In 2024 Medicare Part D data, Dr. Fisher's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Dion Grant Fisher received payments from drug or device companies?
CMS Open Payments shows $176 in general payments to Dr. Fisher from 5 companies from 2017 to 2024. The largest total came from Eli Lilly and Company.
How long has Dr. Dion Grant Fisher been practicing?
Dr. Fisher graduated from medical school in 1995, 31 years ago.
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