Gregory Michael Ow
- Medicare services, 2024
- 96
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 44
- Publications
- 2
- MIPS score, 2024
- 100
- Practice address
- 450 Stanyan St, San Francisco, CA 94117
- Practice phone
- Call (415) 353-4739
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSF St Mary's Hospital
San Francisco, California
Find Gregory Ow'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.
Gregory Michael Ow is a hospitalist in San Francisco, California
Gregory Ow practices at UCSF St Mary's Hospital in San Francisco, California.
Gregory Ow's NPI, 1699352211, was assigned on March 28, 2021. Gregory Ow graduated from University of California, San Francisco School of Medicine in 2021. Gregory Ow holds California license A188385.
- NPI
- 1699352211NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204234156
- NPI enumeration date
- March 28, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 353-4739
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory Michael Ow practices at UCSF St Mary's Hospital in San Francisco, California
Gregory Ow's primary practice is UCSF St Mary's Hospital, at 450 Stanyan St, San Francisco, CA 94117 in San Francisco County. The practice phone is (415) 353-4739.
- UCSF St Mary's Hospital450 Stanyan St, San Francisco, CA 94117 · San Francisco CountyPhone(415) 353-4739
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gregory Michael Ow is affiliated with 6 sites of care and 3 medical groups
Gregory Ow's primary practice is UCSF St Mary's Hospital in San Francisco, California. Gregory Ow is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is UCSF Pediatrics. Dmand AI also links Gregory Ow to 1 more hospital, 3 group practices and clinics and 2 medical groups, 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 Gregory Michael Ow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Ow practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF St Mary's Hospital | Available with a free account |
| +5 more sites and 2 medical groups | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Gregory Michael Ow is one of 3,186 hospitalists in California
Hospitalist is Gregory Ow's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Gregory Ow is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Hospitalists near Gregory Ow
Counts of hospitalists 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
Gregory Michael Ow billed Medicare for 96 services in 2024
CMS data shows 96 Medicare services from Gregory Ow across 4 procedure codes in 2024, for 49 Medicare patients. Medicare paid $9,040 for them. Every service was in a facility, such as a hospital, rather than an office.
Gregory Ow compared with the California median for hospitalists, 2024
- Gregory Ow
- California median
- Medicare services
- 96vs 43078% below
- Medicare patients
- 49vs 20176% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Gregory Ow'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 Gregory Ow?
Medicare shows one payer. Book a meeting to get commercial claims data for Gregory Ow and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Gregory Michael Ow treated 49 Medicare patients in 2024, average age 76
CMS counts 49 Medicare patients who saw Gregory Ow in 2024. The largest group is 85 and over, with 16 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 49% are also on Medicaid. Their average risk score is 2.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gregory Ow's median patient age at 78, with 46% women.
Gregory Ow's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Ow's Medicare patients by sex, 2024
- Women2347%
- Men2653%
Chronic conditions among Gregory Ow's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis53%
- Chronic kidney disease51%
- Mood disorders43%
- Ischemic heart disease41%
- Depression39%
- Diabetes39%
Share of Medicare patients with each condition. A patient can have several.
Gregory Ow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women46%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory Michael Ow wrote 44 Medicare Part D claims in 2024
In 2024, Gregory Ow wrote 44 Medicare Part D claims for 11 patients. 77% of them were for generic drugs.
Gregory Ow's Part D claims by kind of drug, 2024
- Generic34 claims77%
- Brand-name and other10 claims23%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Gregory Michael Ow scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Gregory Ow for performance year 2024, reported as part of a group. Gregory Ow accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Gregory Ow's MIPS scores, performance year 2024
- 100of 100Final score
- 95of 100Quality
- 40of 100Improvement Activities
- 81of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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.
Gregory Michael Ow has 2 publications on record
Dmand AI links 2 papers to Gregory Ow, published from 2021 to 2024. Gregory Ow's most frequent co-authors are Andrew Lai, Geoffrey Vaughan Stetson, MD and Evan Walker.
Gregory Ow's most frequent co-authors
Recent publications by Gregory Ow
See who Gregory Ow researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Gregory Ow works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Gregory Michael Ow graduated from University of California, San Francisco School of Medicine
Gregory Ow graduated from University of California, San Francisco School of Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Gregory Michael Ow'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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Gregory Michael Ow
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Michael Ow's NPI number?
Gregory Michael Ow's NPI number is 1699352211. It was assigned on March 28, 2021, and it is active in the NPI Registry.
What does Gregory Michael Ow specialize in?
Gregory Michael Ow is a hospitalist in San Francisco, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Gregory Michael Ow practice?
Gregory Ow practices at 450 Stanyan St, San Francisco, CA 94117. Gregory Ow's primary practice is UCSF St Mary's Hospital in San Francisco, California. Dmand AI also links Gregory Ow to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Gregory Michael Ow's office phone number?
The practice phone on file for Gregory Ow is (415) 353-4739.
What is Gregory Michael Ow's medical license number?
Gregory Ow holds California license A188385.
Which hospitals is Gregory Michael Ow affiliated with?
Gregory Ow is affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Gregory Ow to 1 more hospital.
What medical group is Gregory Michael Ow part of?
Gregory Ow is linked to UCSF Pediatrics. Dmand AI links Gregory Ow to 2 more medical groups.
Does Gregory Michael Ow accept Medicare?
Yes. CMS data shows Gregory Ow billed Medicare for 96 services in 2024, and Gregory Ow accepts Medicare assignment.
What is Gregory Michael Ow's MIPS score?
Gregory Ow's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Gregory Michael Ow see?
CMS counts 49 Medicare patients who saw Gregory Ow in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Gregory Michael Ow bill to Medicare?
In 2024, Gregory Ow's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Gregory Michael Ow go to medical school?
Gregory Ow graduated from University of California, San Francisco School of Medicine in 2021.
How long has Gregory Michael Ow been practicing?
Gregory Ow graduated from medical school in 2021, 5 years ago.
Does Gregory Michael Ow do research?
Dmand AI links 2 publications to Gregory Ow, published from 2021 to 2024.
Who does Gregory Michael Ow publish with?
Gregory Ow's most frequent co-authors are Andrew Lai (1 shared paper), Geoffrey Vaughan Stetson, MD (1 shared paper) and Evan Walker (1 shared paper).
Selling to hospitalist practices?
See hospitalists 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