Dr. John Michael Brooks, MD
- Medicare services, 2024
- 13
- Medicare patients, 2024
- 22
- Part D claims, 2024
- 633
- MIPS score, 2024
- 86
- Industry payments
- $222
- Practice address
- 100 Hospital Rd, Prince Frederick, MD 20678
- Practice phone
- Call (410) 535-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Calvert Memorial Hospital
Prince Frederick, Maryland
Find Dr. Brooks' professional email, personal email and mobile number
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Dr. John Michael Brooks is a family medicine physician in Prince Frederick, Maryland
Dr. Brooks practices at Calvert Memorial Hospital in Prince Frederick, Maryland.
Dr. Brooks' NPI, 1861461923, was assigned on March 14, 2006. Dr. Brooks graduated from Wayne State University School of Medicine in 1983. Dr. Brooks holds Maryland license D39920.
- NPI
- 1861461923NPI Registry (opens in a new tab)
- NPI enumeration date
- March 14, 2006
- NPI status
- Active
- Practice phone
- (410) 535-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. John Michael Brooks practices at Calvert Memorial Hospital in Prince Frederick, Maryland
Dr. Brooks' primary practice is Calvert Memorial Hospital, at 100 Hospital Rd, Prince Frederick, MD 20678 in Calvert County. The practice phone is (410) 535-4000.
- Calvert Memorial Hospital100 Hospital Rd, Prince Frederick, MD 20678 · Calvert CountyPhone(410) 535-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Michael Brooks is affiliated with 1 site of care and 1 medical group
Dr. Brooks' primary practice is Calvert Memorial Hospital in Prince Frederick, Maryland. The medical group on file is CalvertHealth Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Michael Brooks' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brooks practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Calvert Memorial Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Michael Brooks is one of 1,698 family medicine physicians in Maryland
Family medicine is Dr. Brooks' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Brooks is licensed in Maryland.
Specialties and state licenses
- Family medicine, MarylandPrimary
Family medicine physicians near Dr. Brooks
Counts of family medicine physicians 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. John Michael Brooks billed Medicare for 13 services in 2024
CMS data shows 13 Medicare services from Dr. Brooks across 1 procedure code in 2024, all of them office visits, for 22 Medicare patients. Medicare paid $894 for them. Every service was in an office.
Dr. Brooks' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5262024: 1398%
- Tests and treatments
- 2023: 1162024: 0100%
- Other services
- 2023: 862024: 0100%
Dr. Brooks compared with the Maryland median for family medicine physicians, 2024
- Dr. Brooks
- Maryland median
- Medicare services
- 13vs 51697% below
- Medicare patients
- 22vs 20889% below
- Part D claims
- 304vs 75160% below
Medians across 1,659 family medicine physicians in Maryland with Dmand AI profiles that report each measure.
Dr. Brooks' 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. John Michael Brooks treated 22 Medicare patients in 2024, average age 71
CMS counts 22 Medicare patients who saw Dr. Brooks in 2024. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Brooks' median patient age at 63, with 41% women.
Chronic conditions among Dr. Brooks' Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis59%
Share of Medicare patients with each condition. A patient can have several.
Dr. Brooks' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women41%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Michael Brooks wrote 633 Medicare Part D claims in 2024
In 2024, Dr. Brooks wrote 633 Medicare Part D claims for 178 patients. 95% of them were for generic drugs. CMS names the drug for 304 of them, across 14 drugs with 11 or more claims each, at $3,090 in total drug cost. In 2023, CMS named 1,537 claims across 49 drugs.
Dr. Brooks' Part D claims by kind of drug, 2024
- Generic601 claims95%
- Brand-name32 claims5%
Dr. Brooks' 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. Brooks' Part D claims, 2024
- Antibiotics2%14 of 633 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: 1,5372024: 30480%
Drugs named by CMS: 14 in 2024, 49 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. John Michael Brooks scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Brooks for performance year 2024, reported as part of a group.
Dr. Brooks' MIPS scores, performance year 2024
- 86of 100Final score
- 74.5of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 81of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. John Michael Brooks received $222 in industry payments from 2022 to 2025
CMS Open Payments shows 7 general payments to Dr. Brooks from 2 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $140.
General payments to Dr. Brooks by program year, 2022 to 2025
Companies that paid Dr. Brooks the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Michael Brooks graduated from Wayne State University School of Medicine
Dr. Brooks graduated from Wayne State University School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Michael Brooks'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 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 | Clinician Public Reporting: Overall MIPS Performance (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. John Michael Brooks
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. John Michael Brooks' NPI number?
Dr. John Michael Brooks' NPI number is 1861461923. It was assigned on March 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Michael Brooks?
Dr. John Michael Brooks is a family medicine physician in Prince Frederick, Maryland. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John Michael Brooks practice?
Dr. Brooks practices at 100 Hospital Rd, Prince Frederick, MD 20678. Dr. Brooks' primary practice is Calvert Memorial Hospital in Prince Frederick, Maryland.
What is Dr. John Michael Brooks' office phone number?
The practice phone on file for Dr. Brooks is (410) 535-4000.
What is Dr. John Michael Brooks' medical license number?
Dr. Brooks holds Maryland license D39920.
What medical group is Dr. John Michael Brooks part of?
Dr. Brooks is linked to CalvertHealth Medical Group.
Does Dr. John Michael Brooks accept Medicare?
Yes. CMS data shows Dr. Brooks billed Medicare for 13 services in 2024.
What is Dr. John Michael Brooks' MIPS score?
Dr. Brooks' MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. John Michael Brooks see?
CMS counts 22 Medicare patients who saw Dr. Brooks in 2024, with an average age of 71.
What services does Dr. John Michael Brooks bill to Medicare?
In 2024, Dr. Brooks' most billed Medicare services were office visit, established patient (99213).
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Where did Dr. John Michael Brooks go to medical school?
Dr. Brooks graduated from Wayne State University School of Medicine in 1983.
What drugs does Dr. John Michael Brooks prescribe most?
In 2024 Medicare Part D data, Dr. Brooks' most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Has Dr. John Michael Brooks received payments from drug or device companies?
CMS Open Payments shows $222 in general payments to Dr. Brooks from 2 companies from 2022 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. John Michael Brooks been practicing?
Dr. Brooks graduated from medical school in 1983, 43 years ago.
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