Dr. Kay Alexa Robertson, MD
- Medicare services, 2024
- 329
- Medicare patients, 2024
- 42
- Part D claims, 2024
- 8,730
- Hospital affiliations
- 2
- Industry payments
- $1,665
- Practice address
- 44405 Woodward Ave, Pontiac, MI 48341
- Practice phone
- Call (248) 858-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Robertson'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. Kay Alexa Robertson is an internist in Pontiac, Michigan
Dr. Robertson practices at Trinity Health Oakland Hospital in Pontiac, Michigan, part of Trinity Health.
Dr. Robertson's NPI, 1649262080, was assigned on August 22, 2005. Dr. Robertson holds Michigan license 4301068781.
- NPI
- 1649262080NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446245484
- NPI enumeration date
- August 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (248) 858-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kay Alexa Robertson practices at Trinity Health Oakland Hospital in Pontiac, Michigan
Dr. Robertson's primary practice is Trinity Health Oakland Hospital, at 44405 Woodward Ave, Pontiac, MI 48341 in Oakland County. The practice phone is (248) 858-3000.
- Trinity Health Oakland Hospital44405 Woodward Ave, Pontiac, MI 48341 · Oakland CountyPhone(248) 858-3000
Source: Dmand AI Affiliation Data
Dr. Kay Alexa Robertson is affiliated with 3 sites of care
Dr. Robertson's primary practice is Trinity Health Oakland Hospital in Pontiac, Michigan, part of Trinity Health. Dmand AI also links Dr. Robertson to 1 hospital and 1 physician office, 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. Kay Alexa Robertson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Robertson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trinity Health Oakland Hospital | Available with a free account |
| +2 more affiliated sites | 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Kay Alexa Robertson is one of 4,804 internists in Michigan
Internal medicine is Dr. Robertson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Robertson is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. Robertson
Counts of internists 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. Kay Alexa Robertson billed Medicare for 329 services in 2024
CMS data shows 329 Medicare services from Dr. Robertson across 9 procedure codes in 2024, for 42 Medicare patients. Medicare paid $20,175 for them. Every service was in an office.
Dr. Robertson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3152024: 22628%
- Other services
- 2023: 352024: 103194%
Dr. Robertson compared with the Michigan median for internists, 2024
- Dr. Robertson
- Michigan median
- Medicare services
- 329vs 42322% below
- Medicare patients
- 42vs 15974% below
- Part D claims
- 8,399vs 31426.7 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Dr. Robertson'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. Robertson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Robertson and other internists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kay Alexa Robertson treated 42 Medicare patients in 2024, average age 68
CMS counts 42 Medicare patients who saw Dr. Robertson in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have high blood pressure, and 60% have tobacco use. 67% are also on Medicaid. Their average risk score is 1.89, 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. Robertson's median patient age at 67, with 61% women.
Dr. Robertson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Robertson's Medicare patients by sex, 2024
- Women2457%
- Men1843%
Chronic conditions among Dr. Robertson's Medicare patients, 2024
- High blood pressure75%
- Tobacco use60%
- Diabetes52%
- Alcohol and drug use disorders50%
- High cholesterol48%
- Arthritis38%
- COPD36%
- Mood disorders36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Robertson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kay Alexa Robertson wrote 8,730 Medicare Part D claims in 2024
In 2024, Dr. Robertson wrote 8,730 Medicare Part D claims for 175 patients. 84% of them were for generic drugs. CMS names the drug for 8,399 of them, across 109 drugs with 11 or more claims each, at $545,920 in total drug cost. In 2023, CMS named 8,032 claims across 107 drugs.
Dr. Robertson's Part D claims by kind of drug, 2024
- Generic7,326 claims84%
- Brand-name1,309 claims15%
- Other95 claims1%
Dr. Robertson'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. Robertson's Part D claims, 2024
- Opioids17%1,456 of 8,730 claims
- Antibiotics2%190 of 8,730 claims
- Antipsychotics, patients 65 and over0%17 of 8,730 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: 8,0322024: 8,3995%
Drugs named by CMS: 109 in 2024, 107 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
How Dr. Kay Alexa Robertson takes part in Medicare
Dr. Robertson 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. Kay Alexa Robertson received $1,665 in industry payments from 2016 to 2025
CMS Open Payments shows 27 general payments to Dr. Robertson from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $606.
General payments to Dr. Robertson by program year, 2016 to 2025
Companies that paid Dr. Robertson the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Kay Alexa Robertson'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) |
| Industry payments | Open Payments (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. Kay Alexa Robertson
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. Kay Alexa Robertson's NPI number?
Dr. Kay Alexa Robertson's NPI number is 1649262080. It was assigned on August 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Kay Alexa Robertson?
Dr. Kay Alexa Robertson is an internist in Pontiac, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kay Alexa Robertson practice?
Dr. Robertson practices at 44405 Woodward Ave, Pontiac, MI 48341. Dr. Robertson's primary practice is Trinity Health Oakland Hospital in Pontiac, Michigan, part of Trinity Health. Dmand AI also links Dr. Robertson to 1 hospital and 1 physician office.
What is Dr. Kay Alexa Robertson's office phone number?
The practice phone on file for Dr. Robertson is (248) 858-3000.
What is Dr. Kay Alexa Robertson's medical license number?
Dr. Robertson holds Michigan license 4301068781.
Which hospitals is Dr. Kay Alexa Robertson affiliated with?
Dr. Robertson practices at Trinity Health Oakland Hospital in Pontiac, Michigan. Dmand AI links Dr. Robertson to 1 more hospital.
Does Dr. Kay Alexa Robertson accept Medicare?
Yes. CMS data shows Dr. Robertson billed Medicare for 329 services in 2024, and Dr. Robertson accepts Medicare assignment.
How many Medicare patients does Dr. Kay Alexa Robertson see?
CMS counts 42 Medicare patients who saw Dr. Robertson in 2024, with an average age of 68.
What services does Dr. Kay Alexa Robertson bill to Medicare?
In 2024, Dr. Robertson's most billed Medicare services were office visit, established patient (99214), care management and other visits (99406) and medicare service (G0447).
What drugs does Dr. Kay Alexa Robertson prescribe most?
In 2024 Medicare Part D data, Dr. Robertson's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Amlodipine Besylate and Atorvastatin Calcium.
Has Dr. Kay Alexa Robertson received payments from drug or device companies?
CMS Open Payments shows $1,665 in general payments to Dr. Robertson from 8 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Kay Alexa Robertson been practicing?
Dr. Robertson graduated from medical school in 1996, 30 years ago.
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