Dr. Chad K. Oh, MD
- Medicare services, 2024
- 286
- Medicare patients, 2024
- 36
- Part D claims, 2024
- 31
- Publications
- 27
- Industry payments
- $911
- Practice address
- 1800 Sullivan Ave, Daly City, CA 94015
- Practice phone
- Call (650) 343-4597
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Allergy and Asthma Clinic Incorporated
Daly City, California
Find Dr. Oh'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. Chad K. Oh is a pediatric allergy/immunology physician in Daly City, California
Dr. Oh practices at Allergy and Asthma Clinic Incorporated in Daly City, California.
Dr. Oh's NPI, 1568472421, was assigned on August 9, 2006. Dr. Oh graduated from Kyung Hee University College of Medicine in 1983. Dr. Oh holds California license A52349.
- NPI
- 1568472421NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527502798
- NPI enumeration date
- August 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 343-4597
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chad K. Oh practices at Allergy and Asthma Clinic Incorporated in Daly City, California
Dr. Oh's primary practice is Allergy and Asthma Clinic Incorporated, at 1800 Sullivan Ave, Daly City, CA 94015 in San Mateo County. The practice phone is (650) 343-4597.
- Allergy and Asthma Clinic Incorporated1800 Sullivan Ave, Daly City, CA 94015 · San Mateo CountyPhone(650) 343-4597
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Chad K. Oh is affiliated with 2 sites of care and 2 medical groups
Dr. Oh's primary practice is Allergy and Asthma Clinic Incorporated in Daly City, California. The medical group on file is The Allergy and Asthma Clinic. Dmand AI also links Dr. Oh to 1 more group practice or clinic 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 Dr. Chad K. Oh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oh practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allergy and Asthma Clinic Incorporated | 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. Chad K. Oh is one of 49 pediatric allergy/immunology physicians in California
Pediatric allergy/immunology is Dr. Oh's primary specialty in the NPI Registry, under taxonomy code 2080P0201X. Dr. Oh is board certified in allergy & immunology by the American Board of Allergy and Immunology. Dmand AI has Dr. Oh's licenses on file in 3 states: California, Maryland and Illinois.
Specialties and state licenses
- Pediatric allergy/immunology, CaliforniaPrimary
- Maryland license
- Illinois license
Pediatric allergy/immunology physicians near Dr. Oh
Counts of pediatric allergy/immunology physicians 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. Chad K. Oh billed Medicare for 286 services in 2024
CMS data shows 286 Medicare services from Dr. Oh across 3 procedure codes in 2024, for 36 Medicare patients. Medicare paid $4,148 for them. Every service was in an office.
Dr. Oh compared with the California median for pediatric allergy/immunology physicians, 2024
- Dr. Oh
- California median
- Medicare services
- 286vs 843.4 times
- Medicare patients
- 36vs 4112% below
Medians across 26 pediatric allergy/immunology physicians in California with Dmand AI profiles that report each measure.
Dr. Oh'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. Oh?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Oh and other pediatric allergy/immunology physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chad K. Oh treated 36 Medicare patients in 2024, average age 75
CMS counts 36 Medicare patients who saw Dr. Oh in 2024. The largest group is 75 to 84, with 17 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Oh's median patient age at 45, with 51% women.
Dr. Oh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Oh's Medicare patients by sex, 2024
- Women2467%
- Men1233%
Chronic conditions among Dr. Oh's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Asthma39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Oh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women51%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chad K. Oh wrote 31 Medicare Part D claims in 2024
In 2024, Dr. Oh wrote 31 Medicare Part D claims for 13 patients.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Chad K. Oh takes part in Medicare
Dr. Oh 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. Chad K. Oh has 27 publications on record
Dmand AI links 27 papers to Dr. Oh, published from 2004 to 2025. The most frequent topics are Mast Cells, Cell Line and RNA, Messenger. Dr. Oh has published most often in J Immunol. Dr. Oh's most frequent co-authors are Seong Ho Cho, MD, Gregory Peter Geba, MD, DRPH and Scott Filler, MD.
Dr. Oh's papers by year, 2004 to 2025
Topics Dr. Oh writes about most
- Mast Cells
- Cell Line
- RNA, Messenger
- Asthma
- Gene Expression Regulation
- Base Sequence
- Interleukin-4
- Mice, Inbred BALB C
Dr. Oh's most frequent co-authors
- Seong Ho Cho, MD5 shared papers
- Gregory Peter Geba, MD, DRPH2 shared papers
- Scott Filler, MD1 shared paper
Recent publications by Dr. Oh
Int Arch Allergy Immunol
Curr Allergy Asthma Rep
See who Dr. Oh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Oh works with, so you can find a warm path to the right pediatric allergy/immunology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Chad K. Oh received $911 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Oh from 4 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 75% of the total. Abbvie Inc. paid the most, $845.
General payments to Dr. Oh by program year, 2016 to 2025
General payments to Dr. Oh by kind, 2016 to 2025
- Travel and lodging$68175%
- Food and beverage$23025%
Companies that paid Dr. Oh the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chad K. Oh graduated from Kyung Hee University College of Medicine
Dr. Oh graduated from Kyung Hee University College of Medicine in 1983.
- Medical school
- Board certified in allergy & immunology
Source: Dmand AI Professional Profile Data
Dr. Chad K. Oh accepts plans from 10 insurance carriers
Dr. Oh is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Oh accepts, by number of carriers
- HMO6
- Medicare6
- PPO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Chad K. Oh'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 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 (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Chad K. Oh
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. Chad K. Oh's NPI number?
Dr. Chad K. Oh's NPI number is 1568472421. It was assigned on August 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chad K. Oh?
Dr. Chad K. Oh is a pediatric allergy/immunology physician in Daly City, California. The primary specialty in the NPI Registry is Pediatric Allergy/Immunology Physician (taxonomy code 2080P0201X).
Where does Dr. Chad K. Oh practice?
Dr. Oh practices at 1800 Sullivan Ave, Daly City, CA 94015. Dr. Oh's primary practice is Allergy and Asthma Clinic Incorporated in Daly City, California. Dmand AI also links Dr. Oh to 1 group practice or clinic and 1 medical group.
What is Dr. Chad K. Oh's office phone number?
The practice phone on file for Dr. Oh is (650) 343-4597.
What is Dr. Chad K. Oh's medical license number?
Dr. Oh holds California license A52349, one of the licenses on file in 3 states.
Which states has Dr. Chad K. Oh been licensed in?
Dmand AI has state licenses on file for Dr. Oh in California (1993 to 2027), Maryland (2003) and Illinois (1988 to 1993).
What medical group is Dr. Chad K. Oh part of?
Dr. Oh is linked to The Allergy and Asthma Clinic. Dmand AI links Dr. Oh to 1 more medical group.
Does Dr. Chad K. Oh accept Medicare?
Yes. CMS data shows Dr. Oh billed Medicare for 286 services in 2024, and Dr. Oh accepts Medicare assignment.
How many Medicare patients does Dr. Chad K. Oh see?
CMS counts 36 Medicare patients who saw Dr. Oh in 2024, with an average age of 75.
Is Dr. Chad K. Oh board certified?
Yes. Dr. Oh is board certified in allergy & immunology by the American Board of Allergy and Immunology.
Show 7 more questionsShow fewer questions
What services does Dr. Chad K. Oh bill to Medicare?
In 2024, Dr. Oh's most billed Medicare services were allergy test or treatment (95165), allergy test or treatment (95117) and allergy test or treatment (95115).
Where did Dr. Chad K. Oh go to medical school?
Dr. Oh graduated from Kyung Hee University College of Medicine in 1983.
Has Dr. Chad K. Oh received payments from drug or device companies?
CMS Open Payments shows $911 in general payments to Dr. Oh from 4 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Chad K. Oh been practicing?
Dr. Oh graduated from medical school in 1983, 43 years ago.
Does Dr. Chad K. Oh do research?
Dmand AI links 27 publications to Dr. Oh, published from 2004 to 2025.
Who does Dr. Chad K. Oh publish with?
Dr. Oh's most frequent co-authors are Seong Ho Cho, MD (5 shared papers), Gregory Peter Geba, MD, DRPH (2 shared papers) and Scott Filler, MD (1 shared paper).
What insurance does Dr. Chad K. Oh accept?
Dr. Oh is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 6. Check the plan with the practice before a visit.
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