Dr. Calvin Y. Hong, MD
- Part D claims, 2024
- 7,720
- Industry payments
- $247
- Affiliated sites
- 2
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 3280 Foothill Blvd, Pasadena, CA 91107
- Practice phone
- Call (323) 783-6956
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pasadena Medical Offices
Mammography / Breast Imaging Center · Pasadena, California
Find Dr. Hong'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. Calvin Y. Hong is an internist in Pasadena, California
Dr. Hong practices at Pasadena Medical Offices in Pasadena, California.
Dr. Hong's NPI, 1497822316, was assigned on November 29, 2006. Dr. Hong graduated from Loyola University Chicago Stritch School of Medicine in 1995. Dr. Hong holds California license A61013.
- NPI
- 1497822316NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183674518
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 783-6956
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Calvin Y. Hong practices at Pasadena Medical Offices in Pasadena, California
Dr. Hong's primary practice is Pasadena Medical Offices, at 3280 Foothill Blvd, Pasadena, CA 91107. The practice phone is (323) 783-6956.
- Pasadena Medical Offices3280 Foothill Blvd, Pasadena, CA 91107Phone(323) 783-6956
Source: Dmand AI Affiliation Data
Dr. Calvin Y. Hong is affiliated with 2 sites of care and 1 medical group
Dr. Hong's primary practice is Pasadena Medical Offices in Pasadena, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Hong to 1 more group practice or clinic, named with a free account. Dr. Hong's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Calvin Y. Hong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hong practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pasadena Medical Offices | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Calvin Y. Hong is one of 16,751 internists in California
Internal medicine is Dr. Hong's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hong is board certified in internal medicine by the American Board of Internal Medicine. Dr. Hong is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Hong
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. Calvin Y. Hong's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Dr. Hong's median patient age at 51, with 50% women.
Dr. Hong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Calvin Y. Hong wrote 7,720 Medicare Part D claims in 2024
In 2024, Dr. Hong wrote 7,720 Medicare Part D claims for 1,026 patients. 91% of them were for generic drugs. CMS names the drug for 7,188 of them, across 115 drugs with 11 or more claims each, at $241,348 in total drug cost. In 2023, CMS named 7,140 claims across 115 drugs.
Dr. Hong's Part D claims by kind of drug, 2024
- Generic7,010 claims91%
- Brand-name607 claims8%
- Other103 claims1%
Dr. Hong'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. Hong's Part D claims, 2024
- Opioids2%185 of 7,720 claims
- Antibiotics2%119 of 7,720 claims
- Antipsychotics, patients 65 and over0%27 of 7,720 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: 7,1402024: 7,1881%
Drugs named by CMS: 115 in 2024, 115 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. Calvin Y. Hong takes part in Medicare
Dr. Hong 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. Calvin Y. Hong received $247 in industry payments from 2017 to 2018
CMS Open Payments shows 3 general payments to Dr. Hong from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $234.
General payments to Dr. Hong by program year, 2017 to 2018
Companies that paid Dr. Hong the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Calvin Y. Hong has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Hong, most recently NCQA DRP in 2015.
Awards and honors for Dr. Hong
- 2015
- NCQA DRP
- 2012
- CMS Stage 1 2012
- NCQA HSRP
Source: Dmand AI Professional Profile Data
Dr. Calvin Y. Hong graduated from Loyola University Chicago Stritch School of Medicine
Dr. Hong graduated from Loyola University Chicago Stritch School of Medicine in 1995.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Calvin Y. Hong accepts plans from 2 insurance carriers
Dr. Hong 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. Hong accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Calvin Y. Hong'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 Data |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Calvin Y. Hong
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. Calvin Y. Hong's NPI number?
Dr. Calvin Y. Hong's NPI number is 1497822316. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Calvin Y. Hong?
Dr. Calvin Y. Hong is an internist in Pasadena, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Calvin Y. Hong practice?
Dr. Hong practices at 3280 Foothill Blvd, Pasadena, CA 91107. Dr. Hong's primary practice is Pasadena Medical Offices in Pasadena, California. Dmand AI also links Dr. Hong to 1 group practice or clinic.
What is Dr. Calvin Y. Hong's office phone number?
The practice phone on file for Dr. Hong is (323) 783-6956.
What is Dr. Calvin Y. Hong's medical license number?
Dr. Hong holds California license A61013.
What medical group is Dr. Calvin Y. Hong part of?
Dr. Hong is linked to Southern California Permanente Medical Group.
Does Dr. Calvin Y. Hong accept Medicare?
Yes. CMS lists Dr. Hong as accepting Medicare assignment.
Is Dr. Calvin Y. Hong board certified?
Yes. Dr. Hong is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Calvin Y. Hong go to medical school?
Dr. Hong graduated from Loyola University Chicago Stritch School of Medicine in 1995.
What drugs does Dr. Calvin Y. Hong prescribe most?
In 2024 Medicare Part D data, Dr. Hong's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
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Has Dr. Calvin Y. Hong received payments from drug or device companies?
CMS Open Payments shows $247 in general payments to Dr. Hong from 2 companies from 2017 to 2018. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Calvin Y. Hong been practicing?
Dr. Hong graduated from medical school in 1995, 31 years ago.
What insurance does Dr. Calvin Y. Hong accept?
Dr. Hong 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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