Dr. Selwyn Kay, MD
- Medicare services, 2024
- 90
- Medicare patients, 2024
- 112
- Part D claims, 2024
- 108
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 420 34th St, Bakersfield, CA 93301
- Practice phone
- Call (661) 327-1792
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kay'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. Selwyn Kay is a general surgeon in Bakersfield, California
Dr. Kay practices at Dignity Health - Memorial Hospital in Bakersfield, California, part of CommonSpirit Health.
Dr. Kay's NPI, 1609876754, was assigned on July 29, 2005. Dr. Kay graduated from University of Cape Town Faculty of Medicine in 1980. Dr. Kay holds California license C51249.
- NPI
- 1609876754NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406842293
- NPI enumeration date
- July 29, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (661) 327-1792
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Selwyn Kay practices at Dignity Health - Memorial Hospital in Bakersfield, California
Dr. Kay's primary practice is Dignity Health - Memorial Hospital, at 420 34th St, Bakersfield, CA 93301 in Kern County. The practice phone is (661) 327-1792.
- Dignity Health - Memorial Hospital420 34th St, Bakersfield, CA 93301 · Kern CountyPhone(661) 327-1792
Source: Dmand AI Affiliation Data
Dr. Selwyn Kay is affiliated with 4 sites of care and 1 medical group
Dr. Kay's primary practice is Dignity Health - Memorial Hospital in Bakersfield, California, part of CommonSpirit Health. Dr. Kay is also affiliated with Adventist Health Bakersfield. Dmand AI also links Dr. Kay to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Kay's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Selwyn Kay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kay practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Memorial Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Selwyn Kay is one of 2,926 general surgeons in California
Surgery is Dr. Kay's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Kay is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Kay's licenses on file in 3 states: California, Michigan and Illinois.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Michigan license
- Illinois license
Clinical focus
Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, colon removal, gallbladder removal, groin hernia surgery, hemorrhoids and mastectomy among the conditions Dr. Kay treats.
General surgeons near Dr. Kay
Counts of general surgeons 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. Selwyn Kay billed Medicare for 90 services in 2024
CMS data shows 90 Medicare services from Dr. Kay across 4 procedure codes in 2024, for 112 Medicare patients. Medicare paid $14,866 for them.
Dr. Kay's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1142024: 7832%
- Surgery
- 2023: 02024: 12
Where Dr. Kay's Medicare services took place, 2024
- In an office5561%
- In a facility3539%
Dr. Kay compared with the California median for general surgeons, 2024
- Dr. Kay
- California median
- Medicare services
- 90vs 16646% below
- Medicare patients
- 112vs 1217% below
- Part D claims
- 100vs 342.9 times
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Kay'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. Kay?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kay and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Selwyn Kay treated 112 Medicare patients in 2024, average age 68
CMS counts 112 Medicare patients who saw Dr. Kay in 2024. The largest group is 65 to 74, with 46 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 47% are also on Medicaid. Their average risk score is 2.92, 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. Kay's median patient age at 60, with 54% women.
Dr. Kay's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kay's Medicare patients by sex, 2024
- Women4944%
- Men6356%
Chronic conditions among Dr. Kay's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease47%
- Diabetes47%
- Arthritis45%
- Ischemic heart disease38%
- Heart failure32%
- Anxiety23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Selwyn Kay wrote 108 Medicare Part D claims in 2024
In 2024, Dr. Kay wrote 108 Medicare Part D claims for 93 patients. 100% of them were for generic drugs. CMS names the drug for 100 of them, across 1 drug with 11 or more claims each, at $257 in total drug cost. In 2023, CMS named 110 claims across 2 drugs.
Dr. Kay'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. Kay's Part D claims, 2024
- Opioids95%103 of 108 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: 1102024: 1009%
Drugs named by CMS: 1 in 2024, 2 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
Dr. Selwyn Kay ranks in the 93rd percentile for hernia repair - groin (open) in Medicare
Dr. Kay accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 14 procedures of hernia repair - groin (open) by Dr. Kay, more than 93% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Kay ranks in Medicare procedure volume
- Hernia repair - groin (open)
- 93rd percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Selwyn Kay has 1 publication on record
Dmand AI links 1 paper to Dr. Kay in 2024.
Recent publications by Dr. Kay
See who Dr. Kay researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kay works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Selwyn Kay has 1 award and honors on record
Dmand AI lists 1 award for Dr. Kay.
Awards and honors for Dr. Kay
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Selwyn Kay graduated from University of Cape Town Faculty of Medicine
Dr. Kay graduated from University of Cape Town Faculty of Medicine in 1980. Dr. Kay is a member of ACS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Selwyn Kay accepts plans from 10 insurance carriers
Dr. Kay is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- United Healthcare
- +2 more carriersWith a free account
Plan types Dr. Kay accepts, by number of carriers
- Medicare8
- PPO7
- HMO5
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Selwyn Kay'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) |
| 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)Doctors and Clinicians Utilization Data (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 |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Selwyn Kay
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. Selwyn Kay's NPI number?
Dr. Selwyn Kay's NPI number is 1609876754. It was assigned on July 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Selwyn Kay?
Dr. Selwyn Kay is a general surgeon in Bakersfield, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Selwyn Kay practice?
Dr. Kay practices at 420 34th St, Bakersfield, CA 93301. Dr. Kay's primary practice is Dignity Health - Memorial Hospital in Bakersfield, California, part of CommonSpirit Health. Dmand AI also links Dr. Kay to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Selwyn Kay's office phone number?
The practice phone on file for Dr. Kay is (661) 327-1792.
What is Dr. Selwyn Kay's medical license number?
Dr. Kay holds California license C51249, one of the licenses on file in 3 states.
Which states has Dr. Selwyn Kay been licensed in?
Dmand AI has state licenses on file for Dr. Kay in California (2003 to 2027), Michigan (1989 to 2006) and Illinois (1992 to 1993).
Which hospitals is Dr. Selwyn Kay affiliated with?
Dr. Kay practices at Dignity Health - Memorial Hospital in Bakersfield, California. Dr. Kay is also affiliated with Adventist Health Bakersfield. Dmand AI links Dr. Kay to 1 more hospital.
Does Dr. Selwyn Kay accept Medicare?
Yes. CMS data shows Dr. Kay billed Medicare for 90 services in 2024, and Dr. Kay accepts Medicare assignment.
How many Medicare patients does Dr. Selwyn Kay see?
CMS counts 112 Medicare patients who saw Dr. Kay in 2024, with an average age of 68.
Is Dr. Selwyn Kay board certified?
Yes. Dr. Kay is board certified in surgery by the American Board of Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Selwyn Kay bill to Medicare?
In 2024, Dr. Kay's most billed Medicare services were office visit, new patient (99204), office visit, new patient (99203) and hospital inpatient care (99223).
Where did Dr. Selwyn Kay go to medical school?
Dr. Kay graduated from University of Cape Town Faculty of Medicine in 1980.
What drugs does Dr. Selwyn Kay prescribe most?
In 2024 Medicare Part D data, Dr. Kay's most prescribed drugs by claims were Tramadol HCl.
How long has Dr. Selwyn Kay been practicing?
Dr. Kay graduated from medical school in 1980, 46 years ago.
Does Dr. Selwyn Kay do research?
Dmand AI links 1 publication to Dr. Kay.
What insurance does Dr. Selwyn Kay accept?
Dr. Kay is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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