Dr. Raphael-John Hernandez Keegan, DO
- Medicare services, 2024
- 92
- Medicare patients, 2024
- 178
- MIPS score, 2024
- 99
- Hospital affiliations
- 3
- Medical groups
- 7
- Practice address
- 250 Hospital Parkway, San Jose, CA 95119
- Practice phone
- Call (408) 972-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Keegan'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. Raphael-John Hernandez Keegan is an anesthesiologist in San Jose, California
Dr. Keegan practices at San Jose Medical Center in San Jose, California, part of Kaiser Permanente.
Dr. Keegan's NPI, 1679967210, was assigned on March 20, 2015. Dr. Keegan holds California license 20A17251.
- NPI
- 1679967210NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365778933
- NPI enumeration date
- March 20, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 972-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Raphael-John Hernandez Keegan practices at San Jose Medical Center in San Jose, California
Dr. Keegan's primary practice is San Jose Medical Center, at 250 Hospital Parkway, San Jose, CA 95119 in Santa Clara County. The practice phone is (408) 972-7000.
- San Jose Medical Center250 Hospital Parkway, San Jose, CA 95119 · Santa Clara CountyPhone(408) 972-7000
Source: Dmand AI Affiliation Data
Dr. Raphael-John Hernandez Keegan is affiliated with 3 sites of care and 7 medical groups
Dr. Keegan's primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. Dr. Keegan is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Keegan to 1 more hospital and 6 medical groups, 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. Raphael-John Hernandez Keegan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keegan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Jose Medical Center | Available with a free account |
| +2 more sites and 6 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 Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Raphael-John Hernandez Keegan is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Keegan's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Keegan is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Keegan
Counts of anesthesiologists 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. Raphael-John Hernandez Keegan billed Medicare for 92 services in 2024
CMS data shows 92 Medicare services from Dr. Keegan across 6 procedure codes in 2024, for 178 Medicare patients. Medicare paid $11,639 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Keegan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1072024: 9214%
Dr. Keegan compared with the California median for anesthesiologists, 2024
- Dr. Keegan
- California median
- Medicare services
- 92vs 7228% above
- Medicare patients
- 178vs 14324% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Keegan'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. Keegan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Keegan and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raphael-John Hernandez Keegan treated 178 Medicare patients in 2024, average age 72
CMS counts 178 Medicare patients who saw Dr. Keegan in 2024. The largest group is 65 to 74, with 79 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 36% are also on Medicaid. Their average risk score is 2.14, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Keegan's median patient age at 59, with 52% women.
Dr. Keegan's Medicare patients by age, 2024
Dr. Keegan's Medicare patients by sex, 2024
- Women8146%
- Men9754%
Chronic conditions among Dr. Keegan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis40%
- Chronic kidney disease33%
- Diabetes31%
- Mood disorders29%
- Atrial fibrillation28%
- Ischemic heart disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Keegan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women52%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Raphael-John Hernandez Keegan scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Keegan for performance year 2024, reported as part of a group. Dr. Keegan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Keegan's MIPS scores, performance year 2024
- 99of 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.
Sources for Dr. Raphael-John Hernandez Keegan'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 DataMedicare Physician & Other Practitioners - 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) |
| 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. Raphael-John Hernandez Keegan
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. Raphael-John Hernandez Keegan's NPI number?
Dr. Raphael-John Hernandez Keegan's NPI number is 1679967210. It was assigned on March 20, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Raphael-John Hernandez Keegan?
Dr. Raphael-John Hernandez Keegan is an anesthesiologist in San Jose, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Raphael-John Hernandez Keegan practice?
Dr. Keegan practices at 250 Hospital Parkway, San Jose, CA 95119. Dr. Keegan's primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. Dmand AI also links Dr. Keegan to 1 hospital and 6 medical groups.
What is Dr. Raphael-John Hernandez Keegan's office phone number?
The practice phone on file for Dr. Keegan is (408) 972-7000.
What is Dr. Raphael-John Hernandez Keegan's medical license number?
Dr. Keegan holds California license 20A17251.
Which hospitals is Dr. Raphael-John Hernandez Keegan affiliated with?
Dr. Keegan practices at San Jose Medical Center in San Jose, California. Dr. Keegan is also affiliated with Stanford Hospital at 300 Pasteur Drive. Dmand AI links Dr. Keegan to 1 more hospital.
What medical group is Dr. Raphael-John Hernandez Keegan part of?
Dr. Keegan is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Keegan to 6 more medical groups.
Does Dr. Raphael-John Hernandez Keegan accept Medicare?
Yes. CMS data shows Dr. Keegan billed Medicare for 92 services in 2024, and Dr. Keegan accepts Medicare assignment.
What is Dr. Raphael-John Hernandez Keegan's MIPS score?
Dr. Keegan's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.
How many Medicare patients does Dr. Raphael-John Hernandez Keegan see?
CMS counts 178 Medicare patients who saw Dr. Keegan in 2024, with an average age of 72.
What services does Dr. Raphael-John Hernandez Keegan bill to Medicare?
In 2024, Dr. Keegan's most billed Medicare services were anesthesia (00731), anesthesia (00142) and anesthesia (00811).
How long has Dr. Raphael-John Hernandez Keegan been practicing?
Dr. Keegan graduated from medical school in 2017, 9 years ago.
Selling to anesthesiology practices?
See anesthesiologists 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