Allyson M. Bigham, OD
- Medicare patients, 2024
- 306
- Part D claims, 2024
- 235
- Industry payments
- $19
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 2417 W Franklin St, Evansville, IN 47712-5564
- Practice phone
- Call (812) 423-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Simpson & Bigham OD Partnership
Eye care practice · Evansville, Indiana
Find Allyson Bigham'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.
Allyson M. Bigham is an optometrist in Evansville, Indiana
Allyson Bigham practices at Simpson & Bigham OD Partnership in Evansville, Indiana.
Allyson Bigham's NPI, 1356337661, was assigned on September 22, 2005. Allyson Bigham graduated from University of Missouri St Louis - School of Optometry in 2003. Allyson Bigham holds Indiana license 18003226A.
- NPI
- 1356337661NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163567942
- NPI enumeration date
- September 22, 2005
- NPI status
- Active
- Practice phone
- (812) 423-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Allyson M. Bigham practices at Simpson & Bigham OD Partnership in Evansville, Indiana
Allyson Bigham's primary practice is Simpson & Bigham OD Partnership, at 2417 W Franklin St, Evansville, IN 47712-5564. The practice phone is (812) 423-5000.
- Simpson & Bigham OD Partnership2417 W Franklin St, Evansville, IN 47712-5564Phone(812) 423-5000
Source: Dmand AI Affiliation Data
Allyson M. Bigham is affiliated with 1 site of care and 1 medical group
Allyson Bigham's primary practice is Simpson & Bigham OD Partnership in Evansville, Indiana. Dmand AI also links Allyson Bigham to 1 medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Allyson M. Bigham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Allyson Bigham practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Simpson & Bigham OD Partnership | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Allyson M. Bigham is one of 1,172 optometrists in Indiana
Optometrist is Allyson Bigham's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Allyson Bigham is licensed in Indiana.
Specialties and state licenses
- Optometrist, IndianaPrimary
Optometrists near Allyson Bigham
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
Allyson M. Bigham treated 306 Medicare patients in 2024, average age 73
CMS counts 306 Medicare patients who saw Allyson Bigham in 2024. The largest group is 65 to 74, with 207 patients. 72% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Allyson Bigham's median patient age at 70, with 62% women.
Allyson Bigham's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Allyson Bigham's Medicare patients by sex, 2024
- Women18259%
- Men12441%
Chronic conditions among Allyson Bigham's Medicare patients, 2024
- High cholesterol72%
- High blood pressure67%
- Arthritis44%
- Diabetes22%
- Anxiety17%
- Ischemic heart disease17%
- Chronic kidney disease16%
- Mood disorders15%
Share of Medicare patients with each condition. A patient can have several.
Allyson Bigham'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
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Allyson M. Bigham wrote 235 Medicare Part D claims in 2024
In 2024, Allyson Bigham wrote 235 Medicare Part D claims for 67 patients. 77% of them were for generic drugs.
Allyson Bigham's Part D claims by kind of drug, 2024
- Generic182 claims77%
- Brand-name53 claims23%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Allyson M. Bigham ranks in the 70th percentile for cataract surgery in Medicare
CMS counts 77 procedures of cataract surgery by Allyson Bigham, more than 70% of the clinicians it reports for that procedure.
Where Allyson Bigham ranks in Medicare procedure volume
- Cataract surgery
- 70th percentile77 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Source: Doctors and Clinicians Utilization Data (CMS)
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Allyson M. Bigham received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Allyson Bigham from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $19.
Companies that paid Allyson Bigham the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Allyson M. Bigham graduated from University of Missouri St Louis - School of Optometry
Allyson Bigham graduated from University of Missouri St Louis - School of Optometry in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Allyson M. Bigham'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 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 Allyson M. Bigham
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Allyson M. Bigham's NPI number?
Allyson M. Bigham's NPI number is 1356337661. It was assigned on September 22, 2005, and it is active in the NPI Registry.
What does Allyson M. Bigham specialize in?
Allyson M. Bigham is an optometrist in Evansville, Indiana. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Allyson M. Bigham practice?
Allyson Bigham practices at 2417 W Franklin St, Evansville, IN 47712-5564. Allyson Bigham's primary practice is Simpson & Bigham OD Partnership in Evansville, Indiana. Dmand AI also links Allyson Bigham to 1 medical group.
What is Allyson M. Bigham's office phone number?
The practice phone on file for Allyson Bigham is (812) 423-5000.
What is Allyson M. Bigham's medical license number?
Allyson Bigham holds Indiana license 18003226A.
How many Medicare patients does Allyson M. Bigham see?
CMS counts 306 Medicare patients who saw Allyson Bigham in 2024, with an average age of 73.
Where did Allyson M. Bigham go to medical school?
Allyson Bigham graduated from University of Missouri St Louis - School of Optometry in 2003.
Has Allyson M. Bigham received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Allyson Bigham from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Allyson M. Bigham been practicing?
Allyson Bigham graduated from medical school in 2003, 23 years ago.
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