Mark Machen, OD
- Medicare patients, 2024
- 67
- Part D claims, 2024
- 57
- Industry payments
- $153
- Affiliated sites
- 3
- Medical groups
- 3
- Practice address
- 2725 Old Milton Pkwy Suite B Suite B, Alpharetta, GA 30009-2282
- Practice phone
- Call (770) 475-1777
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Alpharetta Eye Clinic
Eye care practice · Alpharetta, Georgia
Find Mark Machen'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.
Mark Machen is an optometrist in Alpharetta, Georgia
Mark Machen practices at Alpharetta Eye Clinic in Alpharetta, Georgia.
Mark Machen's NPI, 1740700707, was assigned on June 21, 2017. Mark Machen graduated from Southern College of Optometry in 2017. Mark Machen holds Georgia license 003025.
- NPI
- 1740700707NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183996671
- NPI enumeration date
- June 21, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (770) 475-1777
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Machen practices at Alpharetta Eye Clinic in Alpharetta, Georgia
Mark Machen's primary practice is Alpharetta Eye Clinic, at 2725 Old Milton Pkwy Suite B Suite B, Alpharetta, GA 30009-2282. The practice phone is (770) 475-1777.
- Alpharetta Eye Clinic2725 Old Milton Pkwy Suite B Suite B, Alpharetta, GA 30009-2282Phone(770) 475-1777
Source: Dmand AI Affiliation Data
Mark Machen is affiliated with 3 sites of care and 3 medical groups
Mark Machen's primary practice is Alpharetta Eye Clinic in Alpharetta, Georgia. Dmand AI also links Mark Machen to 3 medical groups and 2 group practices and clinics, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mark Machen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Machen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Alpharetta Eye Clinic | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Machen is one of 1,059 optometrists in Georgia
Optometrist is Mark Machen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Mark Machen is licensed in Georgia.
Specialties and state licenses
- Optometrist, GeorgiaPrimary
Optometrists near Mark Machen
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
Mark Machen treated 67 Medicare patients in 2024, average age 74
CMS counts 67 Medicare patients who saw Mark Machen in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 63% have high blood pressure. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mark Machen's median patient age at 67, with 56% women.
Mark Machen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mark Machen's Medicare patients by sex, 2024
- Women4060%
- Men2740%
Chronic conditions among Mark Machen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure63%
- Arthritis42%
- Ischemic heart disease27%
- Anxiety21%
- Osteoporosis21%
- Cancer18%
- Diabetes16%
Share of Medicare patients with each condition. A patient can have several.
Mark Machen'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
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mark Machen wrote 57 Medicare Part D claims in 2024
In 2024, Mark Machen wrote 57 Medicare Part D claims for 33 patients. 56% of them were for generic drugs.
Mark Machen's Part D claims by kind of drug, 2024
- Generic32 claims56%
- Brand-name25 claims44%
Drug classes CMS tracks in Mark Machen's Part D claims, 2024
- Antibiotics19%11 of 57 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 Mark Machen takes part in Medicare
Mark Machen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Mark Machen received $153 in industry payments in 2025
CMS Open Payments shows 2 general payments to Mark Machen from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $111.
Companies that paid Mark Machen the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mark Machen graduated from Southern College of Optometry
Mark Machen graduated from Southern College of Optometry in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark Machen'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 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 Mark Machen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Machen's NPI number?
Mark Machen's NPI number is 1740700707. It was assigned on June 21, 2017, and it is active in the NPI Registry.
What does Mark Machen specialize in?
Mark Machen is an optometrist in Alpharetta, Georgia. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Mark Machen practice?
Mark Machen practices at 2725 Old Milton Pkwy Suite B Suite B, Alpharetta, GA 30009-2282. Mark Machen's primary practice is Alpharetta Eye Clinic in Alpharetta, Georgia. Dmand AI also links Mark Machen to 3 medical groups and 2 group practices and clinics.
What is Mark Machen's office phone number?
The practice phone on file for Mark Machen is (770) 475-1777.
What is Mark Machen's medical license number?
Mark Machen holds Georgia license 003025.
Does Mark Machen accept Medicare?
Yes. CMS lists Mark Machen as accepting Medicare assignment.
How many Medicare patients does Mark Machen see?
CMS counts 67 Medicare patients who saw Mark Machen in 2024, with an average age of 74.
Where did Mark Machen go to medical school?
Mark Machen graduated from Southern College of Optometry in 2017.
Has Mark Machen received payments from drug or device companies?
CMS Open Payments shows $153 in general payments to Mark Machen from 2 companies from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Mark Machen been practicing?
Mark Machen graduated from medical school in 2017, 9 years ago.
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