Dr. Douglas H. Owyang, MD
- Medicare services, 2017
- 16
- Part D claims, 2024
- 55
- Hospital affiliations
- 2
- Medical groups
- 2
- Insurance carriers
- 4
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Owyang'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. Douglas H. Owyang is a family medicine physician in San Mateo, California
Dr. Owyang practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Dr. Owyang's NPI, 1902847841, was assigned on June 10, 2006. Dr. Owyang graduated from UC Irvine School of Medicine in 1973. Dr. Owyang holds California license A26061.
- NPI
- 1902847841NPI Registry (opens in a new tab)
- NPI enumeration date
- June 10, 2006
- NPI status
- Active
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Douglas H. Owyang practices at San Mateo Medical Center in San Mateo, California
Dr. Owyang's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Dr. Douglas H. Owyang is affiliated with 3 sites of care and 2 medical groups
Dr. Owyang's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dr. Owyang is also affiliated with Natividad. The medical group on file is San Mateo Medical Center. Dmand AI also links Dr. Owyang to 1 more skilled nursing facility and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Douglas H. Owyang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Owyang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Douglas H. Owyang is one of 15,680 family medicine physicians in California
Family medicine is Dr. Owyang's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Owyang is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic diabetes, coronary artery disease, diabetic emergency and gastrointestinal bleeding among the conditions Dr. Owyang treats.
Family medicine physicians near Dr. Owyang
Counts of family medicine 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. Douglas H. Owyang billed Medicare for 16 services in 2017
CMS data shows 16 Medicare services from Dr. Owyang across 1 procedure code in 2017, all of them office visits. Medicare paid $286 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Owyang's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 582017: 1672%
Dr. Owyang compared with the California median for family medicine physicians, 2017
- Dr. Owyang
- California median
- Medicare services
- 16vs 24693% below
- Part D claims
- 16vs 83398% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Owyang's most billed Medicare procedure codes, 2017
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. Owyang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Owyang and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas H. Owyang's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Owyang's median patient age at 62, with 56% women.
Dr. Owyang'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
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Douglas H. Owyang wrote 55 Medicare Part D claims in 2024
In 2024, Dr. Owyang wrote 55 Medicare Part D claims for 25 patients. 91% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $429 in total drug cost. In 2017, CMS named 148 claims across 9 drugs.
Dr. Owyang's Part D claims by kind of drug, 2024
- Generic50 claims91%
- Brand-name and other5 claims9%
Dr. Owyang's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 1482018: 1689%
Drugs named by CMS: 1 in 2018, 9 in 2017.
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Douglas H. Owyang graduated from UC Irvine School of Medicine
Dr. Owyang graduated from UC Irvine School of Medicine in 1973.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Douglas H. Owyang accepts plans from 4 insurance carriers
Dr. Owyang is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
Plan types Dr. Owyang accepts, by number of carriers
- Medicare4
- PPO3
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Douglas H. Owyang'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 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) |
| 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. Douglas H. Owyang
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. Douglas H. Owyang's NPI number?
Dr. Douglas H. Owyang's NPI number is 1902847841. It was assigned on June 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas H. Owyang?
Dr. Douglas H. Owyang is a family medicine physician in San Mateo, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Douglas H. Owyang practice?
Dr. Owyang practices at 222 W 39th Ave, San Mateo, CA 94403. Dr. Owyang's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Dr. Owyang to 1 skilled nursing facility and 1 medical group.
What is Dr. Douglas H. Owyang's office phone number?
The practice phone on file for Dr. Owyang is (650) 573-2222.
What is Dr. Douglas H. Owyang's medical license number?
Dr. Owyang holds California license A26061.
Which hospitals is Dr. Douglas H. Owyang affiliated with?
Dr. Owyang practices at San Mateo Medical Center in San Mateo, California. Dr. Owyang is also affiliated with Natividad.
What medical group is Dr. Douglas H. Owyang part of?
Dr. Owyang is linked to San Mateo Medical Center. Dmand AI links Dr. Owyang to 1 more medical group.
Does Dr. Douglas H. Owyang accept Medicare?
Yes. CMS data shows Dr. Owyang billed Medicare for 16 services in 2017.
What services does Dr. Douglas H. Owyang bill to Medicare?
In 2017, Dr. Owyang's most billed Medicare services were office visit, established patient (99213).
Where did Dr. Douglas H. Owyang go to medical school?
Dr. Owyang graduated from UC Irvine School of Medicine in 1973.
Show 3 more questionsShow fewer questions
What drugs does Dr. Douglas H. Owyang prescribe most?
In 2018 Medicare Part D data, Dr. Owyang's most prescribed drugs by claims were Atorvastatin Calcium.
How long has Dr. Douglas H. Owyang been practicing?
Dr. Owyang graduated from medical school in 1973, 53 years ago.
What insurance does Dr. Douglas H. Owyang accept?
Dr. Owyang is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
Selling to family medicine practices?
See family medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card