Dr. David Michael Keller, DO
- Part D claims, 2026
- 41
- Industry payments
- $6,675
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 212 S Sullivan Ave, Fremont, MI 49412
- Practice phone
- Call (231) 924-1391
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Spectrum Health Gerber Memorial
Fremont, Michigan
Find Dr. Keller'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.
Dr. David Michael Keller is a general surgeon in Fremont, Michigan
Dr. Keller practices at Spectrum Health Gerber Memorial in Fremont, Michigan.
Dr. Keller's NPI, 1093377913, was assigned on July 1, 2019. Dr. Keller holds Michigan license 5151013559.
- NPI
- 1093377913NPI Registry (opens in a new tab)
- NPI enumeration date
- July 1, 2019
- NPI status
- Active
- Practice phone
- (231) 924-1391
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. David Michael Keller practices at Spectrum Health Gerber Memorial in Fremont, Michigan
Dr. Keller's primary practice is Spectrum Health Gerber Memorial, at 212 S Sullivan Ave, Fremont, MI 49412 in Newaygo County. The practice phone is (231) 924-1391.
- Spectrum Health Gerber Memorial212 S Sullivan Ave, Fremont, MI 49412 · Newaygo CountyPhone(231) 924-1391
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Michael Keller is affiliated with 1 site of care
Dr. Keller's primary practice is Spectrum Health Gerber Memorial in Fremont, Michigan.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. David Michael Keller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keller practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Spectrum Health Gerber Memorial | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Michael Keller is one of 1,095 general surgeons in Michigan
Surgery is Dr. Keller's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Keller is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Keller
Counts of general surgeons 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. David Michael Keller's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Keller's median patient age at 67, with 30% women.
Dr. Keller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women30%
- Men70%
Source: Dmand AI Patient Panel Data
Dr. David Michael Keller wrote 41 Medicare Part D claims in 2026
In 2026, Dr. Keller wrote 41 Medicare Part D claims. 83% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $31 in total drug cost. In 2021, CMS named 14 claims across 1 drug.
Dr. Keller's Part D claims by kind of drug, 2026
- Generic34 claims83%
- Brand-name and other7 claims17%
Dr. Keller's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 142022: 1121%
Drugs named by CMS: 1 in 2022, 1 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
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Dr. David Michael Keller received $6,675 in industry payments from 2021 to 2025
CMS Open Payments shows 64 general payments to Dr. Keller from 16 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 39% of the total. Smith & Nephew, Inc. paid the most, $4,514.
General payments to Dr. Keller by program year, 2021 to 2025
General payments to Dr. Keller by kind, 2021 to 2025
- Food and beverage$2,61039%
- Grants$2,50037%
- Travel and lodging$1,56523%
Companies that paid Dr. Keller the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David Michael Keller'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. David Michael Keller
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. David Michael Keller's NPI number?
Dr. David Michael Keller's NPI number is 1093377913. It was assigned on July 1, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. David Michael Keller?
Dr. David Michael Keller is a general surgeon in Fremont, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David Michael Keller practice?
Dr. Keller practices at 212 S Sullivan Ave, Fremont, MI 49412. Dr. Keller's primary practice is Spectrum Health Gerber Memorial in Fremont, Michigan.
What is Dr. David Michael Keller's office phone number?
The practice phone on file for Dr. Keller is (231) 924-1391. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. David Michael Keller's email address?
Dmand AI checks professional and personal email addresses for Dr. Keller through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. David Michael Keller's medical license number?
Dr. Keller holds Michigan license 5151013559.
What drugs does Dr. David Michael Keller prescribe most?
In 2022 Medicare Part D data, Dr. Keller's most prescribed drugs by claims were Omeprazole.
Has Dr. David Michael Keller received payments from drug or device companies?
CMS Open Payments shows $6,675 in general payments to Dr. Keller from 16 companies from 2021 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Dr. David Michael Keller been practicing?
Dr. Keller's NPI was assigned in 2019.
What EHR does Dr. David Michael Keller's practice use?
Dmand AI tracks the EHR system at Spectrum Health Gerber Memorial. The vendor and product are available with a free Dmand AI account.
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