Keith J. Messing, OD
- Medicare patients, 2024
- 524
- Part D claims, 2024
- 877
- Hospital affiliations
- 1
- Industry payments
- $113
- Medical group
- 1
- Practice address
- 4675 Hill Street, Cass City, MI 48726
- Practice phone
- Call (989) 872-2121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Keith Messing'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.
Keith J. Messing is an optometrist in Cass City, Michigan
Keith Messing practices at Hills & Dales Healthcare in Cass City, Michigan, part of Hôtel-Dieu Grace Healthcare.
Keith Messing's NPI, 1225110554, was assigned on October 19, 2006. Keith Messing graduated from Ferris State College - College of Optometry in 1999. Keith Messing holds Michigan license KM004019.
- NPI
- 1225110554NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739086448
- NPI enumeration date
- October 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (989) 872-2121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Keith J. Messing practices at Hills & Dales Healthcare in Cass City, Michigan
Keith Messing's primary practice is Hills & Dales Healthcare, at 4675 Hill Street, Cass City, MI 48726 in Tuscola County. The practice phone is (989) 872-2121.
- Hills & Dales Healthcare4675 Hill Street, Cass City, MI 48726 · Tuscola CountyPhone(989) 872-2121
Source: Dmand AI Affiliation Data
Keith J. Messing is affiliated with 2 sites of care and 1 medical group
Keith Messing's primary practice is Hills & Dales Healthcare in Cass City, Michigan, part of Hôtel-Dieu Grace Healthcare. Dmand AI also links Keith Messing to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Keith J. Messing's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Keith Messing practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hills & Dales Healthcare | Available with a free account |
| +1 more site and 1 medical group | 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 Hôtel-Dieu Grace Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Keith J. Messing is one of 1,416 optometrists in Michigan
Optometrist is Keith Messing's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Keith Messing is licensed in Michigan.
Specialties and state licenses
- Optometrist, MichiganPrimary
Optometrists near Keith Messing
Counts of optometrists 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
Keith J. Messing treated 524 Medicare patients in 2024, average age 77
CMS counts 524 Medicare patients who saw Keith Messing in 2024. The largest group is 65 to 74, with 227 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Keith Messing's median patient age at 73, with 54% women.
Keith Messing's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Keith Messing's Medicare patients by sex, 2024
- Women31059%
- Men21441%
Chronic conditions among Keith Messing's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Diabetes33%
- Ischemic heart disease32%
- Anxiety22%
- Chronic kidney disease22%
- Atrial fibrillation20%
Share of Medicare patients with each condition. A patient can have several.
Keith Messing's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Keith J. Messing wrote 877 Medicare Part D claims in 2024
In 2024, Keith Messing wrote 877 Medicare Part D claims for 176 patients. 78% of them were for generic drugs.
Keith Messing's Part D claims by kind of drug, 2024
- Generic681 claims78%
- Brand-name196 claims22%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Keith J. Messing ranks in the 62nd percentile for cataract surgery in Medicare
Keith Messing accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 48 procedures of cataract surgery by Keith Messing, more than 62% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Keith Messing ranks in Medicare procedure volume
- Cataract surgery
- 62nd percentile48 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Keith J. Messing received $113 in industry payments in 2025
CMS Open Payments shows 4 general payments to Keith Messing from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $50.
Companies that paid Keith Messing the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Keith J. Messing graduated from Ferris State College - College of Optometry
Keith Messing graduated from Ferris State College - College of Optometry in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Keith J. Messing'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Keith J. Messing
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Keith J. Messing's NPI number?
Keith J. Messing's NPI number is 1225110554. It was assigned on October 19, 2006, and it is active in the NPI Registry.
What does Keith J. Messing specialize in?
Keith J. Messing is an optometrist in Cass City, Michigan. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Keith J. Messing practice?
Keith Messing practices at 4675 Hill Street, Cass City, MI 48726. Keith Messing's primary practice is Hills & Dales Healthcare in Cass City, Michigan, part of Hôtel-Dieu Grace Healthcare. Dmand AI also links Keith Messing to 1 group practice or clinic and 1 medical group.
What is Keith J. Messing's office phone number?
The practice phone on file for Keith Messing is (989) 872-2121.
What is Keith J. Messing's medical license number?
Keith Messing holds Michigan license KM004019.
Which hospitals is Keith J. Messing affiliated with?
Keith Messing practices at Hills & Dales Healthcare in Cass City, Michigan.
Does Keith J. Messing accept Medicare?
Yes. CMS lists Keith Messing as accepting Medicare assignment.
How many Medicare patients does Keith J. Messing see?
CMS counts 524 Medicare patients who saw Keith Messing in 2024, with an average age of 77.
Where did Keith J. Messing go to medical school?
Keith Messing graduated from Ferris State College - College of Optometry in 1999.
Has Keith J. Messing received payments from drug or device companies?
CMS Open Payments shows $113 in general payments to Keith Messing from 3 companies from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Keith J. Messing been practicing?
Keith Messing graduated from medical school in 1999, 27 years ago.
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