John M. Otto, OD
- Medicare patients, 2024
- 801
- Part D claims, 2024
- 1,057
- Industry payments
- $25
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 4102 Ogletown Stanton Rd, Newark, DE 19713
- Practice phone
- Call (302) 894-1900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Spine Care Delaware - Harmony Plaza
Newark, Delaware
Find John Otto'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 M. Otto is an optometrist in Newark, Delaware
John Otto practices at Spine Care Delaware - Harmony Plaza in Newark, Delaware.
John Otto's NPI, 1992783716, was assigned on January 3, 2006. John Otto holds Delaware license I30001181.
- NPI
- 1992783716NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951339019
- NPI enumeration date
- January 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 894-1900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John M. Otto practices at Spine Care Delaware - Harmony Plaza in Newark, Delaware
John Otto's primary practice is Spine Care Delaware - Harmony Plaza, at 4102 Ogletown Stanton Rd, Newark, DE 19713 in New Castle County. The practice phone is (302) 894-1900.
- Spine Care Delaware - Harmony Plaza4102 Ogletown Stanton Rd, Newark, DE 19713 · New Castle CountyPhone(302) 894-1900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John M. Otto is affiliated with 3 sites of care and 2 medical groups
John Otto's primary practice is Spine Care Delaware - Harmony Plaza in Newark, Delaware. The medical group on file is ChristianaCare. Dmand AI also links John Otto to 1 more group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John M. Otto's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Otto practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Spine Care Delaware - Harmony Plaza | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John M. Otto is one of 134 optometrists in Delaware
Optometrist is John Otto's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Otto is licensed in Delaware.
Specialties and state licenses
- Optometrist, DelawarePrimary
Optometrists near John Otto
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 M. Otto treated 801 Medicare patients in 2024, average age 75
CMS counts 801 Medicare patients who saw John Otto in 2024. The largest group is 65 to 74, with 366 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 3% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Otto's median patient age at 73, with 62% women.
John Otto's Medicare patients by age, 2024
John Otto's Medicare patients by sex, 2024
- Women48861%
- Men31339%
Chronic conditions among John Otto's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis42%
- Diabetes37%
- Chronic kidney disease24%
- Ischemic heart disease22%
- Mood disorders20%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
John Otto's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John M. Otto wrote 1,057 Medicare Part D claims in 2024
In 2024, John Otto wrote 1,057 Medicare Part D claims for 320 patients. 66% of them were for generic drugs.
John Otto's Part D claims by kind of drug, 2024
- Generic694 claims66%
- Brand-name363 claims34%
Drug classes CMS tracks in John Otto's Part D claims, 2024
- Antibiotics1%12 of 1,057 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John M. Otto takes part in Medicare
John Otto 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)
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John M. Otto received $25 in industry payments in 2025
CMS Open Payments shows 1 general payment to John Otto 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, $25.
Companies that paid John Otto 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 M. Otto'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 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 John M. Otto
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 M. Otto's NPI number?
John M. Otto's NPI number is 1992783716. It was assigned on January 3, 2006, and it is active in the NPI Registry.
What does John M. Otto specialize in?
John M. Otto is an optometrist in Newark, Delaware. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John M. Otto practice?
John Otto practices at 4102 Ogletown Stanton Rd, Newark, DE 19713. John Otto's primary practice is Spine Care Delaware - Harmony Plaza in Newark, Delaware. Dmand AI also links John Otto to 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.
What is John M. Otto's office phone number?
The practice phone on file for John Otto is (302) 894-1900.
What is John M. Otto's medical license number?
John Otto holds Delaware license I30001181.
What medical group is John M. Otto part of?
John Otto is linked to ChristianaCare. Dmand AI links John Otto to 1 more medical group.
Does John M. Otto accept Medicare?
Yes. CMS lists John Otto as accepting Medicare assignment.
How many Medicare patients does John M. Otto see?
CMS counts 801 Medicare patients who saw John Otto in 2024, with an average age of 75.
Has John M. Otto received payments from drug or device companies?
CMS Open Payments shows $25 in general payments to John Otto from 1 company from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has John M. Otto been practicing?
John Otto graduated from medical school in 1987, 39 years ago.
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