William Loftin Petersen, OD
- Part D claims, 2024
- 25
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 22 Odyssey, Suite 175, Irvine, CA 92618
- Practice phone
- Call (949) 654-8963
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Odyssey ASC Endoscopy Center
Surgery Center - Medicare-Certified · Irvine, California
Find William Petersen's professional email, personal email and mobile number
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William Loftin Petersen is an optometrist in Irvine, California
William Petersen practices at Odyssey ASC Endoscopy Center in Irvine, California.
William Petersen's NPI, 1477690105, was assigned on January 31, 2007. William Petersen holds California license 7031 T.
- NPI
- 1477690105NPI Registry (opens in a new tab)
- NPI enumeration date
- January 31, 2007
- NPI status
- Active
- Practice phone
- (949) 654-8963
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
William Loftin Petersen practices at Odyssey ASC Endoscopy Center in Irvine, California
William Petersen's primary practice is Odyssey ASC Endoscopy Center, at 22 Odyssey, Suite 175, Irvine, CA 92618. The practice phone is (949) 654-8963.
- Odyssey ASC Endoscopy Center22 Odyssey, Suite 175, Irvine, CA 92618Phone(949) 654-8963
Source: Dmand AI Affiliation Data
William Loftin Petersen is affiliated with 1 site of care
William Petersen's primary practice is Odyssey ASC Endoscopy Center in Irvine, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at William Loftin Petersen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Petersen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Odyssey ASC Endoscopy Center | Available with a free account |
Source: Dmand AI Technology Install Data
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William Loftin Petersen is one of 7,206 optometrists in California
Optometrist is William Petersen's primary specialty in the NPI Registry, under taxonomy code 152W00000X. William Petersen is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near William Petersen
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
William Loftin Petersen's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts William Petersen's median patient age at 75, with 57% women.
William Petersen'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
William Loftin Petersen wrote 25 Medicare Part D claims in 2024
In 2024, William Petersen wrote 25 Medicare Part D claims for 12 patients. 76% of them were for generic drugs.
William Petersen's Part D claims by kind of drug, 2024
- Generic19 claims76%
- Brand-name and other6 claims24%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for William Loftin Petersen'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 William Loftin Petersen
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What is William Loftin Petersen's NPI number?
William Loftin Petersen's NPI number is 1477690105. It was assigned on January 31, 2007, and it is active in the NPI Registry.
What does William Loftin Petersen specialize in?
William Loftin Petersen is an optometrist in Irvine, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does William Loftin Petersen practice?
William Petersen practices at 22 Odyssey, Suite 175, Irvine, CA 92618. William Petersen's primary practice is Odyssey ASC Endoscopy Center in Irvine, California.
What is William Loftin Petersen's office phone number?
The practice phone on file for William Petersen is (949) 654-8963.
What is William Loftin Petersen's medical license number?
William Petersen holds California license 7031 T.
How long has William Loftin Petersen been practicing?
William Petersen's NPI was assigned in 2007.
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