John Erick Esser, OD
- Medicare patients, 2024
- 149
- Part D claims, 2024
- 72
- MIPS score, 2024
- 89
- Hospital affiliations
- 1
- Industry payments
- $26
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Esser'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.
John Erick Esser is an optometrist in Fontana, California
John Esser practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
John Esser's NPI, 1790855062, was assigned on November 8, 2006. John Esser holds California license 11350T.
- NPI
- 1790855062NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143450700
- NPI enumeration date
- November 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Erick Esser practices at Fontana Medical Center in Fontana, California
John Esser's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
John Erick Esser is affiliated with 2 sites of care and 2 medical groups
John Esser's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links John Esser to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at John Erick Esser's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Esser practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | 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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John Erick Esser is one of 7,206 optometrists in California
Optometrist is John Esser's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Esser is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near John Esser
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
John Erick Esser treated 149 Medicare patients in 2024, average age 76
CMS counts 149 Medicare patients who saw John Esser in 2024. The largest group is 75 to 84, with 65 patients. 75% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Esser's median patient age at 76, with 61% women.
John Esser's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Esser's Medicare patients by sex, 2024
- Women9060%
- Men5940%
Chronic conditions among John Esser's Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis43%
- Osteoporosis23%
- Chronic kidney disease20%
- Diabetes20%
- Cancer19%
- Depression19%
Share of Medicare patients with each condition. A patient can have several.
John Esser's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John Erick Esser wrote 72 Medicare Part D claims in 2024
In 2024, John Esser wrote 72 Medicare Part D claims for 49 patients. 65% of them were for generic drugs.
John Esser's Part D claims by kind of drug, 2024
- Generic47 claims65%
- Brand-name25 claims35%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
John Erick Esser scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for John Esser for performance year 2024, reported as part of a group. John Esser accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
John Esser's MIPS scores, performance year 2024
- 89of 100Final score
- 97.8of 100Quality
- 40of 100Improvement Activities
- 66of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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John Erick Esser received $26 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Esser from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $26.
Companies that paid John Esser 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 John Erick Esser'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 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)Clinician Public Reporting: Overall MIPS Performance (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 John Erick Esser
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Erick Esser's NPI number?
John Erick Esser's NPI number is 1790855062. It was assigned on November 8, 2006, and it is active in the NPI Registry.
What does John Erick Esser specialize in?
John Erick Esser is an optometrist in Fontana, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John Erick Esser practice?
John Esser practices at 9961 Sierra Ave, Fontana, CA 92335. John Esser's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. Dmand AI also links John Esser to 1 group practice or clinic and 1 medical group.
What is John Erick Esser's office phone number?
The practice phone on file for John Esser is (909) 427-5000.
What is John Erick Esser's medical license number?
John Esser holds California license 11350T.
Which hospitals is John Erick Esser affiliated with?
John Esser practices at Fontana Medical Center in Fontana, California.
What medical group is John Erick Esser part of?
John Esser is linked to Southern California Permanente Medical Group. Dmand AI links John Esser to 1 more medical group.
Does John Erick Esser accept Medicare?
Yes. CMS lists John Esser as accepting Medicare assignment.
What is John Erick Esser's MIPS score?
John Esser's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does John Erick Esser see?
CMS counts 149 Medicare patients who saw John Esser in 2024, with an average age of 76.
Has John Erick Esser received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to John Esser from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has John Erick Esser been practicing?
John Esser graduated from medical school in 2000, 26 years ago.
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