Larry James Simpfenderfer, OD
- Part D claims, 2024
- 11
- MIPS score, 2024
- 86
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Practice address
- 421 S Ham Ln, Lodi, CA 95242-3523
- Practice phone
- Call (209) 366-0446
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Zeiter Eye Medical Group - Lodi
Eye care practice · Lodi, California
Find Larry Simpfenderfer'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.
Larry James Simpfenderfer is an optometrist in Lodi, California
Larry Simpfenderfer practices at Zeiter Eye Medical Group - Lodi in Lodi, California.
Larry Simpfenderfer's NPI, 1902947179, was assigned on February 9, 2007. Larry Simpfenderfer graduated from University of California - School of Optometry in 1983. Larry Simpfenderfer holds California license OPT7804TPL.
- NPI
- 1902947179NPI Registry (opens in a new tab)
- NPI enumeration date
- February 9, 2007
- NPI status
- Active
- Practice phone
- (209) 366-0446
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Larry James Simpfenderfer practices at Zeiter Eye Medical Group - Lodi in Lodi, California
Larry Simpfenderfer's primary practice is Zeiter Eye Medical Group - Lodi, at 421 S Ham Ln, Lodi, CA 95242-3523. The practice phone is (209) 366-0446.
- Zeiter Eye Medical Group - Lodi421 S Ham Ln, Lodi, CA 95242-3523Phone(209) 366-0446
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Larry James Simpfenderfer is affiliated with 2 sites of care and 1 medical group
Larry Simpfenderfer's primary practice is Zeiter Eye Medical Group - Lodi in Lodi, California. Dmand AI also links Larry Simpfenderfer to 1 physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Larry James Simpfenderfer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Larry Simpfenderfer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Zeiter Eye Medical Group - Lodi | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Larry James Simpfenderfer is one of 7,206 optometrists in California
Optometrist is Larry Simpfenderfer's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Larry Simpfenderfer is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Larry Simpfenderfer
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
Larry James Simpfenderfer's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Larry Simpfenderfer's median patient age at 75, with 57% women.
Larry Simpfenderfer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Larry James Simpfenderfer wrote 11 Medicare Part D claims in 2024
In 2024, Larry Simpfenderfer wrote 11 Medicare Part D claims.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Larry James Simpfenderfer scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Larry Simpfenderfer for performance year 2024, reported as part of a group.
Larry Simpfenderfer's MIPS scores, performance year 2024
- 86of 100Final score
- 94of 100Quality
- 40of 100Improvement Activities
- 43of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Larry James Simpfenderfer graduated from University of California - School of Optometry
Larry Simpfenderfer graduated from University of California - School of Optometry in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Larry James Simpfenderfer'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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 Larry James Simpfenderfer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Larry James Simpfenderfer's NPI number?
Larry James Simpfenderfer's NPI number is 1902947179. It was assigned on February 9, 2007, and it is active in the NPI Registry.
What does Larry James Simpfenderfer specialize in?
Larry James Simpfenderfer is an optometrist in Lodi, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Larry James Simpfenderfer practice?
Larry Simpfenderfer practices at 421 S Ham Ln, Lodi, CA 95242-3523. Larry Simpfenderfer's primary practice is Zeiter Eye Medical Group - Lodi in Lodi, California. Dmand AI also links Larry Simpfenderfer to 1 physician office and 1 medical group.
What is Larry James Simpfenderfer's office phone number?
The practice phone on file for Larry Simpfenderfer is (209) 366-0446.
What is Larry James Simpfenderfer's medical license number?
Larry Simpfenderfer holds California license OPT7804TPL.
What is Larry James Simpfenderfer's MIPS score?
Larry Simpfenderfer's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
Where did Larry James Simpfenderfer go to medical school?
Larry Simpfenderfer graduated from University of California - School of Optometry in 1983.
How long has Larry James Simpfenderfer been practicing?
Larry Simpfenderfer graduated from medical school in 1983, 43 years ago.
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