Dr. Tammy Y. Yao-Hong, DO
- Part D claims, 2024
- 2,072
- Hospital affiliations
- 1
- Industry payments
- $48
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 4760 W 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
Primary practice
Southern California Permanente Medical Group
Los Angeles, California
Find Dr. Yao-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. Tammy Y. Yao-Hong is an internist in Los Angeles, California
Dr. Yao-Hong practices at Southern California Permanente Medical Group in Los Angeles, California.
Dr. Yao-Hong's NPI, 1801108261, was assigned on July 13, 2010. Dr. Yao-Hong graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2010. Dr. Yao-Hong holds California license 20A12801.
- NPI
- 1801108261NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658509245
- NPI enumeration date
- July 13, 2010
- 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
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tammy Y. Yao-Hong practices at Southern California Permanente Medical Group in Los Angeles, California
Dr. Yao-Hong's primary practice is Southern California Permanente Medical Group, at 4760 W Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Southern California Permanente Medical Group4760 W Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tammy Y. Yao-Hong is affiliated with 2 sites of care and 1 medical group
Dr. Yao-Hong's primary practice is Southern California Permanente Medical Group in Los Angeles, California. Dr. Yao-Hong is also affiliated with Evanston Hospital. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tammy Y. Yao-Hong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yao-Hong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | 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. Tammy Y. Yao-Hong is one of 16,751 internists in California
Internal medicine is Dr. Yao-Hong's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Yao-Hong is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Yao-Hong's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Illinois license
Clinical focus
Dmand AI lists facial skin infection and UTI among the conditions Dr. Yao-Hong treats.
Internists near Dr. Yao-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. Tammy Y. Yao-Hong's patients have a median age of 47
Across all payers, Dmand AI patient panel data puts Dr. Yao-Hong's median patient age at 47, with 70% women.
Dr. Yao-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 47
Patient panel by sex, all payers
- Women70%
- Men30%
Source: Dmand AI Patient Panel Data
Dr. Tammy Y. Yao-Hong wrote 2,072 Medicare Part D claims in 2024
In 2024, Dr. Yao-Hong wrote 2,072 Medicare Part D claims for 471 patients. 85% of them were for generic drugs. CMS names the drug for 1,646 of them, across 52 drugs with 11 or more claims each, at $100,653 in total drug cost. In 2023, CMS named 1,944 claims across 50 drugs.
Dr. Yao-Hong's Part D claims by kind of drug, 2024
- Generic1,765 claims85%
- Brand-name274 claims13%
- Other33 claims2%
Dr. Yao-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. Yao-Hong's Part D claims, 2024
- Opioids2%37 of 2,072 claims
- Antibiotics5%96 of 2,072 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: 1,9442024: 1,64615%
Drugs named by CMS: 52 in 2024, 50 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. Tammy Y. Yao-Hong takes part in Medicare
Dr. Yao-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. Tammy Y. Yao-Hong received $48 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Yao-Hong from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Scilex Pharmaceuticals Inc. paid the most, $48.
Companies that paid Dr. Yao-Hong the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tammy Y. Yao-Hong graduated from Chicago College of Osteopathic Medicine at Midwestern University
Dr. Yao-Hong graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2010.
- Medical school
- Board certified in internal medicine
- Board certified in 2013 - 2027
- Board certified in 2010 - 2014
Source: Dmand AI Professional Profile Data
Dr. Tammy Y. Yao-Hong accepts plans from 1 insurance carrier
Dr. Yao-Hong is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Yao-Hong accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Tammy Y. Yao-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 | 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 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) |
| 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. Tammy Y. Yao-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. Tammy Y. Yao-Hong's NPI number?
Dr. Tammy Y. Yao-Hong's NPI number is 1801108261. It was assigned on July 13, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Tammy Y. Yao-Hong?
Dr. Tammy Y. Yao-Hong is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tammy Y. Yao-Hong practice?
Dr. Yao-Hong practices at 4760 W Sunset Blvd, Los Angeles, CA 90027. Dr. Yao-Hong's primary practice is Southern California Permanente Medical Group in Los Angeles, California.
What is Dr. Tammy Y. Yao-Hong's office phone number?
The practice phone on file for Dr. Yao-Hong is (323) 783-4011.
What is Dr. Tammy Y. Yao-Hong's medical license number?
Dr. Yao-Hong holds California license 20A12801, one of the licenses on file in 2 states.
Which states has Dr. Tammy Y. Yao-Hong been licensed in?
Dmand AI has state licenses on file for Dr. Yao-Hong in California and Illinois.
Which hospitals is Dr. Tammy Y. Yao-Hong affiliated with?
Dr. Yao-Hong is affiliated with Evanston Hospital.
What medical group is Dr. Tammy Y. Yao-Hong part of?
Dr. Yao-Hong is linked to Southern California Permanente Medical Group.
Does Dr. Tammy Y. Yao-Hong accept Medicare?
Yes. CMS lists Dr. Yao-Hong as accepting Medicare assignment.
Is Dr. Tammy Y. Yao-Hong board certified?
Yes. Dr. Yao-Hong is board certified in internal medicine by the American Board of Internal Medicine.
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Where did Dr. Tammy Y. Yao-Hong go to medical school?
Dr. Yao-Hong graduated from Chicago College of Osteopathic Medicine at Midwestern University in 2010.
What drugs does Dr. Tammy Y. Yao-Hong prescribe most?
In 2024 Medicare Part D data, Dr. Yao-Hong's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
Has Dr. Tammy Y. Yao-Hong received payments from drug or device companies?
CMS Open Payments shows $48 in general payments to Dr. Yao-Hong from 1 company from 2018 to 2018. The largest total came from Scilex Pharmaceuticals Inc.
How long has Dr. Tammy Y. Yao-Hong been practicing?
Dr. Yao-Hong graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Tammy Y. Yao-Hong accept?
Dr. Yao-Hong is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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