John C. Pack, OD
- Medicare patients, 2024
- 80
- Part D claims, 2024
- 15
- Industry payments
- $14,838
- Affiliated sites
- 2
- Medical groups
- 2
- Practice address
- 27271 Las Ramblas, Mission Viejo, CA 92691
- Practice phone
- Call (858) 487-5555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Total Vision
Mission Viejo, California
Find John Pack'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 C. Pack is an optometrist in Mission Viejo, California
John Pack practices at Total Vision in Mission Viejo, California.
John Pack's NPI, 1598723587, was assigned on May 2, 2006. John Pack holds California license 9684T.
- NPI
- 1598723587NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466522396
- NPI enumeration date
- May 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 487-5555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John C. Pack practices at Total Vision in Mission Viejo, California
John Pack's primary practice is Total Vision, at 27271 Las Ramblas, Mission Viejo, CA 92691 in Orange County. The practice phone is (858) 487-5555.
- Total Vision27271 Las Ramblas, Mission Viejo, CA 92691 · Orange CountyPhone(858) 487-5555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John C. Pack is affiliated with 3 sites of care and 2 medical groups
John Pack's primary practice is Total Vision in Mission Viejo, California. Dmand AI also links John Pack to 2 group practices and clinics and 2 medical groups, 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 C. Pack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Pack practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Total Vision | 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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John C. Pack is one of 7,206 optometrists in California
Optometrist is John Pack's primary specialty in the NPI Registry, under taxonomy code 152W00000X. John Pack is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near John Pack
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 C. Pack treated 80 Medicare patients in 2024, average age 76
CMS counts 80 Medicare patients who saw John Pack in 2024. The largest group is 65 to 74, with 35 patients. 74% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts John Pack's median patient age at 62, with 52% women.
John Pack's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
John Pack's Medicare patients by sex, 2024
- Women5468%
- Men2633%
Chronic conditions among John Pack's Medicare patients, 2024
- High cholesterol74%
- High blood pressure69%
- Diabetes43%
- Arthritis34%
- Chronic kidney disease23%
- Cancer21%
Share of Medicare patients with each condition. A patient can have several.
John Pack's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
John C. Pack wrote 15 Medicare Part D claims in 2024
In 2024, John Pack wrote 15 Medicare Part D claims.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How John C. Pack takes part in Medicare
John Pack accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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John C. Pack received $14,838 in industry payments in 2025
CMS Open Payments shows 51 general payments to John Pack from 5 drug and device companies in 2025. Speaker and faculty fees make up the largest share, 67% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $14,584.
General payments to John Pack by kind, 2025 to 2025
- Speaker and faculty fees$9,90067%
- Travel and lodging$3,49824%
- Food and beverage$1,44010%
Companies that paid John Pack 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 C. Pack'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)Doctors and Clinicians Utilization Data (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 C. Pack
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 C. Pack's NPI number?
John C. Pack's NPI number is 1598723587. It was assigned on May 2, 2006, and it is active in the NPI Registry.
What does John C. Pack specialize in?
John C. Pack is an optometrist in Mission Viejo, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does John C. Pack practice?
John Pack practices at 27271 Las Ramblas, Mission Viejo, CA 92691. John Pack's primary practice is Total Vision in Mission Viejo, California. Dmand AI also links John Pack to 2 group practices and clinics and 2 medical groups.
What is John C. Pack's office phone number?
The practice phone on file for John Pack is (858) 487-5555.
What is John C. Pack's medical license number?
John Pack holds California license 9684T.
Does John C. Pack accept Medicare?
Yes. CMS lists John Pack as accepting Medicare assignment.
How many Medicare patients does John C. Pack see?
CMS counts 80 Medicare patients who saw John Pack in 2024, with an average age of 76.
Has John C. Pack received payments from drug or device companies?
CMS Open Payments shows $14,838 in general payments to John Pack from 5 companies from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has John C. Pack been practicing?
John Pack graduated from medical school in 1991, 35 years ago.
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