Calvin J. Sims, OD
- Industry payments
- $27
- Affiliated sites
- 3
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 1034 Haw Creek Circle, Ste 200, Cumming, GA 30041
- Practice phone
- Call (678) 381-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Forsyth Eye Surgery Center
Surgery Center - Medicare-Certified · Cumming, Georgia
Find Calvin Sims' 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.
Calvin J. Sims is an optometrist in Cumming, Georgia
Calvin Sims practices at Forsyth Eye Surgery Center in Cumming, Georgia.
Calvin Sims' NPI, 1811399330, was assigned on September 16, 2014. Calvin Sims holds Alabama license S-D26-TA-A07.
- NPI
- 1811399330NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406139963
- NPI enumeration date
- September 16, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (678) 381-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Calvin J. Sims practices at Forsyth Eye Surgery Center in Cumming, Georgia
Calvin Sims' primary practice is Forsyth Eye Surgery Center, at 1034 Haw Creek Circle, Ste 200, Cumming, GA 30041. The practice phone is (678) 381-2020.
- Forsyth Eye Surgery Center1034 Haw Creek Circle, Ste 200, Cumming, GA 30041Phone(678) 381-2020
Source: Dmand AI Affiliation Data
Calvin J. Sims is affiliated with 3 sites of care and 2 medical groups
Calvin Sims' primary practice is Forsyth Eye Surgery Center in Cumming, Georgia. Dmand AI also links Calvin Sims to 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Calvin J. Sims' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Calvin Sims practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Forsyth Eye Surgery Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Calvin J. Sims is one of 1,059 optometrists in Georgia
Optometrist is Calvin Sims' primary specialty in the NPI Registry, under taxonomy code 152W00000X. Calvin Sims is licensed in Alabama.
Specialties and state licenses
- Optometrist, AlabamaPrimary
Optometrists near Calvin Sims
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
Calvin J. Sims' patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Calvin Sims' median patient age at 67, with 58% women.
Calvin Sims' 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
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
How Calvin J. Sims takes part in Medicare
Calvin Sims 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)
Calvin J. Sims received $27 in industry payments in 2025
CMS Open Payments shows 1 general payment to Calvin Sims from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Dompe US, Inc. paid the most, $27.
Companies that paid Calvin Sims the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Calvin J. Sims'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 Data |
| 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 Calvin J. Sims
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Calvin J. Sims' NPI number?
Calvin J. Sims' NPI number is 1811399330. It was assigned on September 16, 2014, and it is active in the NPI Registry.
What does Calvin J. Sims specialize in?
Calvin J. Sims is an optometrist in Cumming, Georgia. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Calvin J. Sims practice?
Calvin Sims practices at 1034 Haw Creek Circle, Ste 200, Cumming, GA 30041. Calvin Sims' primary practice is Forsyth Eye Surgery Center in Cumming, Georgia. Dmand AI also links Calvin Sims to 2 group practices and clinics and 2 medical groups.
What is Calvin J. Sims' office phone number?
The practice phone on file for Calvin Sims is (678) 381-2020.
What is Calvin J. Sims' medical license number?
Calvin Sims holds Alabama license S-D26-TA-A07.
Does Calvin J. Sims accept Medicare?
Yes. CMS lists Calvin Sims as accepting Medicare assignment.
Has Calvin J. Sims received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Calvin Sims from 1 company from 2025 to 2025. The largest total came from Dompe US, Inc.
How long has Calvin J. Sims been practicing?
Calvin Sims graduated from medical school in 2014, 12 years ago.
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