Dr. Brooke Lyn Spencer, MD
- Medicare services, 2024
- 2,021
- Medicare patients, 2024
- 265
- Part D claims, 2024
- 81
- Hospital affiliations
- 6
- Industry payments
- $322
- Practice address
- 2900 Collins Road, Lansing, MI 48910
- Practice phone
- Call (517) 975-5600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Spencer's professional email, personal email and mobile number
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Dr. Brooke Lyn Spencer is a radiation oncologist in Lansing, Michigan
Dr. Spencer practices at McLaren Greater Lansing in Lansing, Michigan, part of McLaren Health Care.
Dr. Spencer's NPI, 1215149117, was assigned on May 4, 2007. Dr. Spencer graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2006. Dr. Spencer holds Michigan license 4301093763.
- NPI
- 1215149117NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002050911
- NPI enumeration date
- May 4, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (517) 975-5600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brooke Lyn Spencer practices at McLaren Greater Lansing in Lansing, Michigan
Dr. Spencer's primary practice is McLaren Greater Lansing, at 2900 Collins Road, Lansing, MI 48910 in Ingham County. The practice phone is (517) 975-5600.
- McLaren Greater Lansing2900 Collins Road, Lansing, MI 48910 · Ingham CountyPhone(517) 975-5600
Source: Dmand AI Affiliation Data
Dr. Brooke Lyn Spencer is affiliated with 8 sites of care and 3 medical groups
Dr. Spencer's primary practice is McLaren Greater Lansing in Lansing, Michigan, part of McLaren Health Care. Dr. Spencer is also affiliated with University of Michigan Health-Sparrow Lansing. The medical group on file is Covenant Medical Group. Dmand AI also links Dr. Spencer to 4 more hospitals, 2 medical groups, 1 clinical lab and 1 group practice or clinic, 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. Brooke Lyn Spencer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spencer practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McLaren Greater Lansing | Available with a free account |
| +7 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 McLaren Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Brooke Lyn Spencer is one of 200 radiation oncologists in Michigan
Radiation oncology is Dr. Spencer's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Spencer is licensed in Michigan.
Specialties and state licenses
- Radiation oncology, MichiganPrimary
Radiation oncologists near Dr. Spencer
Counts of radiation oncologists 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. Brooke Lyn Spencer billed Medicare for 2,021 services in 2024
CMS data shows 2,021 Medicare services from Dr. Spencer across 17 procedure codes in 2024, for 265 Medicare patients. Medicare paid $123,190 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Spencer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,5622024: 1,5491%
- Office and hospital visits
- 2023: 2212024: 34154%
- Other services
- 2023: 02024: 131
Dr. Spencer compared with the Michigan median for radiation oncologists, 2024
- Dr. Spencer
- Michigan median
- Medicare services
- 2,021vs 1,14876% above
- Medicare patients
- 265vs 13399% above
- Part D claims
- 25vs 3834% below
Medians across 184 radiation oncologists in Michigan with Dmand AI profiles that report each measure.
Dr. Spencer'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brooke Lyn Spencer treated 265 Medicare patients in 2024, average age 74
CMS counts 265 Medicare patients who saw Dr. Spencer in 2024. The largest group is 65 to 74, with 138 patients. 75% of them have cancer, and 75% have high blood pressure. 18% are also on Medicaid. Their average risk score is 1.90, 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. Spencer's median patient age at 74, with 55% women.
Dr. Spencer's Medicare patients by age, 2024
Dr. Spencer's Medicare patients by sex, 2024
- Women12246%
- Men14354%
Chronic conditions among Dr. Spencer's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol72%
- Arthritis49%
- COPD35%
- Ischemic heart disease34%
- Diabetes33%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Spencer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brooke Lyn Spencer wrote 81 Medicare Part D claims in 2024
In 2024, Dr. Spencer wrote 81 Medicare Part D claims for 50 patients. 89% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $617 in total drug cost. In 2019, CMS named 21 claims across 1 drug.
Dr. Spencer's Part D claims by kind of drug, 2024
- Generic72 claims89%
- Brand-name and other9 claims11%
Dr. Spencer's most prescribed drugs by claims, 2022
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. Spencer's Part D claims, 2024
- Opioids19%15 of 81 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, 2019 to 2022
- 2019
- 2022
- Claims for drugs CMS names
- 2019: 212022: 2519%
Drugs named by CMS: 2 in 2022, 1 in 2019.
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. Brooke Lyn Spencer takes part in Medicare
Dr. Spencer 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. Brooke Lyn Spencer received $322 in industry payments from 2016 to 2025
CMS Open Payments shows 16 general payments to Dr. Spencer from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novocure Inc. paid the most, $76.
General payments to Dr. Spencer by program year, 2016 to 2025
Companies that paid Dr. Spencer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brooke Lyn Spencer graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University
Dr. Spencer graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brooke Lyn Spencer'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) |
| 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 Dr. Brooke Lyn Spencer
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. Brooke Lyn Spencer's NPI number?
Dr. Brooke Lyn Spencer's NPI number is 1215149117. It was assigned on May 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Brooke Lyn Spencer?
Dr. Brooke Lyn Spencer is a radiation oncologist in Lansing, Michigan. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Brooke Lyn Spencer practice?
Dr. Spencer practices at 2900 Collins Road, Lansing, MI 48910. Dr. Spencer's primary practice is McLaren Greater Lansing in Lansing, Michigan, part of McLaren Health Care. Dmand AI also links Dr. Spencer to 4 hospitals, 2 medical groups, 1 clinical lab and 1 group practice or clinic.
What is Dr. Brooke Lyn Spencer's office phone number?
The practice phone on file for Dr. Spencer is (517) 975-5600.
What is Dr. Brooke Lyn Spencer's medical license number?
Dr. Spencer holds Michigan license 4301093763.
Which hospitals is Dr. Brooke Lyn Spencer affiliated with?
Dr. Spencer practices at McLaren Greater Lansing in Lansing, Michigan. Dr. Spencer is also affiliated with University of Michigan Health-Sparrow Lansing. Dmand AI links Dr. Spencer to 4 more hospitals.
What medical group is Dr. Brooke Lyn Spencer part of?
Dr. Spencer is linked to Covenant Medical Group. Dmand AI links Dr. Spencer to 2 more medical groups.
Does Dr. Brooke Lyn Spencer accept Medicare?
Yes. CMS data shows Dr. Spencer billed Medicare for 2,021 services in 2024, and Dr. Spencer accepts Medicare assignment.
How many Medicare patients does Dr. Brooke Lyn Spencer see?
CMS counts 265 Medicare patients who saw Dr. Spencer in 2024, with an average age of 74.
What services does Dr. Brooke Lyn Spencer bill to Medicare?
In 2024, Dr. Spencer's most billed Medicare services were radiation oncology (77014), office visit, established patient (99213) and radiation oncology (77300).
Show 4 more questionsShow fewer questions
Where did Dr. Brooke Lyn Spencer go to medical school?
Dr. Spencer graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2006.
What drugs does Dr. Brooke Lyn Spencer prescribe most?
In 2022 Medicare Part D data, Dr. Spencer's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Ssd.
Has Dr. Brooke Lyn Spencer received payments from drug or device companies?
CMS Open Payments shows $322 in general payments to Dr. Spencer from 11 companies from 2016 to 2025. The largest total came from Novocure Inc.
How long has Dr. Brooke Lyn Spencer been practicing?
Dr. Spencer graduated from medical school in 2006, 20 years ago.
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