Dr. John Park, MD
- Medicare services, 2024
- 40
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 421
- Hospital affiliations
- 2
- Industry payments
- $384
- Practice address
- 4867 Sunset Blvd, Los Angeles, CA 90027
- Practice phone
- Call (323) 783-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Park'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.
Dr. John Park is an internist in Los Angeles, California
Dr. Park practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.
Dr. Park's NPI, 1851823504, was assigned on March 31, 2017. Dr. Park graduated from David Geffen School of Medicine at UCLA in 2017. Dr. Park holds California license A157957.
- NPI
- 1851823504NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294165437
- NPI enumeration date
- March 31, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Park practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California
Dr. Park's primary practice is Kaiser Permanente Los Angeles Medical Center, at 4867 Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Kaiser Permanente Los Angeles Medical Center4867 Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Source: Dmand AI Affiliation Data
Dr. John Park is affiliated with 2 sites of care and 2 medical groups
Dr. Park's primary practice is Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dr. Park is also affiliated with Downey Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Park to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Park's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Park practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Los Angeles 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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Dr. John Park is one of 16,751 internists in California
Internal medicine is Dr. Park's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Park is board certified in internal medicine by the American Board of Internal Medicine. Dr. Park is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute diabetes and sepsis among the conditions Dr. Park treats.
Internists near Dr. Park
Counts of internists 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
Dr. John Park billed Medicare for 40 services in 2024
CMS data shows 40 Medicare services from Dr. Park across 1 procedure code in 2024, for 25 Medicare patients. Medicare paid $2,594 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Park's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 222024: 4082%
Dr. Park compared with the California median for internists, 2024
- Dr. Park
- California median
- Medicare services
- 40vs 36189% below
- Medicare patients
- 25vs 15183% below
- Part D claims
- 170vs 42160% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Park's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Park?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Park and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Park treated 25 Medicare patients in 2024, average age 76
CMS counts 25 Medicare patients who saw Dr. Park in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.08, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Park's median patient age at 71, with 42% women.
Dr. Park's Medicare patients by sex, 2024
- Women1352%
- Men1248%
Chronic conditions among Dr. Park's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease68%
- Diabetes60%
- Heart failure60%
- Arthritis56%
- Chronic kidney disease56%
- COPD44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Park's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women42%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Park wrote 421 Medicare Part D claims in 2024
In 2024, Dr. Park wrote 421 Medicare Part D claims for 127 patients. 79% of them were for generic drugs. CMS names the drug for 170 of them, across 10 drugs with 11 or more claims each, at $2,221 in total drug cost. In 2023, CMS named 180 claims across 9 drugs.
Dr. Park's Part D claims by kind of drug, 2024
- Generic331 claims79%
- Brand-name63 claims15%
- Other27 claims6%
Dr. Park's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Park's Part D claims, 2024
- Antibiotics13%54 of 421 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1802024: 1706%
Drugs named by CMS: 10 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. John Park takes part in Medicare
Dr. Park 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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Dr. John Park received $384 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Park from 2 drug and device companies in 2024. Travel and lodging make up the largest share, 92% of the total. Stryker Corporation paid the most, $355.
General payments to Dr. Park by kind, 2024 to 2024
- Travel and lodging$35592%
- Food and beverage$308%
Companies that paid Dr. Park the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Park graduated from David Geffen School of Medicine at UCLA
Dr. Park graduated from David Geffen School of Medicine at UCLA in 2017.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. John Park accepts plans from 2 insurance carriers
Dr. Park is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Park accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Park'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. John Park
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Park's NPI number?
Dr. John Park's NPI number is 1851823504. It was assigned on March 31, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. John Park?
Dr. John Park is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Park practice?
Dr. Park practices at 4867 Sunset Blvd, Los Angeles, CA 90027. Dr. Park's primary practice is Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dmand AI also links Dr. Park to 1 medical group.
What is Dr. John Park's office phone number?
The practice phone on file for Dr. Park is (323) 783-4011.
What is Dr. John Park's medical license number?
Dr. Park holds California license A157957.
Which hospitals is Dr. John Park affiliated with?
Dr. Park practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California. Dr. Park is also affiliated with Downey Medical Center.
What medical group is Dr. John Park part of?
Dr. Park is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Park to 1 more medical group.
Does Dr. John Park accept Medicare?
Yes. CMS data shows Dr. Park billed Medicare for 40 services in 2024, and Dr. Park accepts Medicare assignment.
How many Medicare patients does Dr. John Park see?
CMS counts 25 Medicare patients who saw Dr. Park in 2024, with an average age of 76.
Is Dr. John Park board certified?
Yes. Dr. Park is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. John Park bill to Medicare?
In 2024, Dr. Park's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. John Park go to medical school?
Dr. Park graduated from David Geffen School of Medicine at UCLA in 2017.
What drugs does Dr. John Park prescribe most?
In 2024 Medicare Part D data, Dr. Park's most prescribed drugs by claims were Clopidogrel, Bisoprolol Fumarate and Atorvastatin Calcium.
Has Dr. John Park received payments from drug or device companies?
CMS Open Payments shows $384 in general payments to Dr. Park from 2 companies from 2024 to 2024. The largest total came from Stryker Corporation.
How long has Dr. John Park been practicing?
Dr. Park graduated from medical school in 2017, 9 years ago.
What insurance does Dr. John Park accept?
Dr. Park is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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