Dr. Dean Frederick MacKinnon, MD
- Medicare services, 2024
- 274
- Medicare patients, 2024
- 62
- Part D claims, 2024
- 246
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Practice address
- 600 N Wolfe St, Baltimore, MD 21287
- Practice phone
- Call (855) 662-3017
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johns Hopkins Hospital Nelson/Harvey Building
Baltimore, Maryland
Find Dr. MacKinnon'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. Dean Frederick MacKinnon is a psychiatrist in Baltimore, Maryland
Dr. MacKinnon practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.
Dr. MacKinnon's NPI, 1497795264, was assigned on June 8, 2006. Dr. MacKinnon graduated from University of California, San Diego School of Medicine in 1990. Dr. MacKinnon holds Maryland license D42531.
- NPI
- 1497795264NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830221738
- NPI enumeration date
- June 8, 2006
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (855) 662-3017
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dean Frederick MacKinnon practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland
Dr. MacKinnon's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.
- Johns Hopkins Hospital Nelson/Harvey Building600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Dean Frederick MacKinnon is affiliated with 2 sites of care and 1 medical group
Dr. MacKinnon's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. MacKinnon is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dean Frederick MacKinnon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacKinnon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Hospital Nelson/Harvey Building | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dean Frederick MacKinnon is one of 901 psychiatrists in Maryland
Psychiatry is Dr. MacKinnon's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. MacKinnon is licensed in Maryland.
Specialties and state licenses
- Psychiatry, MarylandPrimary
Psychiatrists near Dr. MacKinnon
Counts of psychiatrists 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. Dean Frederick MacKinnon billed Medicare for 274 services in 2024
CMS data shows 274 Medicare services from Dr. MacKinnon across 4 procedure codes in 2024, for 62 Medicare patients. Medicare paid $23,063 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. MacKinnon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4632024: 27441%
Dr. MacKinnon compared with the Maryland median for psychiatrists, 2024
- Dr. MacKinnon
- Maryland median
- Medicare services
- 274vs 18846% above
- Medicare patients
- 62vs 5317% above
- Part D claims
- 141vs 11622% above
Medians across 1,014 psychiatrists in Maryland with Dmand AI profiles that report each measure.
Dr. MacKinnon'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. Dean Frederick MacKinnon treated 62 Medicare patients in 2024, average age 65
CMS counts 62 Medicare patients who saw Dr. MacKinnon in 2024. The largest group is 65 to 74, with 30 patients. 75% of them have anxiety, and 75% have depression. 40% are also on Medicaid. Their average risk score is 1.76, 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. MacKinnon's median patient age at 66, with 90% women.
Dr. MacKinnon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. MacKinnon's Medicare patients by sex, 2024
- Women3252%
- Men3048%
Chronic conditions among Dr. MacKinnon's Medicare patients, 2024
- Anxiety75%
- Depression75%
- High cholesterol75%
- Mood disorders75%
- High blood pressure69%
- Arthritis55%
- Alcohol and drug use disorders37%
- Schizophrenia and other psychoses37%
Share of Medicare patients with each condition. A patient can have several.
Dr. MacKinnon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women90%
- Men10%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dean Frederick MacKinnon wrote 246 Medicare Part D claims in 2024
In 2024, Dr. MacKinnon wrote 246 Medicare Part D claims for 17 patients. 99% of them were for generic drugs. CMS names the drug for 141 of them, across 6 drugs with 11 or more claims each, at $2,119 in total drug cost. In 2023, CMS named 178 claims across 8 drugs.
Dr. MacKinnon's Part D claims by kind of drug, 2024
- Generic244 claims99%
- Brand-name and other2 claims1%
Dr. MacKinnon'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. MacKinnon's Part D claims, 2024
- Antipsychotics, patients 65 and over11%28 of 246 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: 1782024: 14121%
Drugs named by CMS: 6 in 2024, 8 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. Dean Frederick MacKinnon scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. MacKinnon for performance year 2024, reported as part of a group. CMS lists Dr. MacKinnon as offering telehealth.
- Offers telehealth
- Yes
Dr. MacKinnon's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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
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Dr. Dean Frederick MacKinnon graduated from University of California, San Diego School of Medicine
Dr. MacKinnon graduated from University of California, San Diego School of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dean Frederick MacKinnon'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 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)Clinician Public Reporting: Overall MIPS Performance (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. Dean Frederick MacKinnon
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. Dean Frederick MacKinnon's NPI number?
Dr. Dean Frederick MacKinnon's NPI number is 1497795264. It was assigned on June 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Dean Frederick MacKinnon?
Dr. Dean Frederick MacKinnon is a psychiatrist in Baltimore, Maryland. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Dean Frederick MacKinnon practice?
Dr. MacKinnon practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. MacKinnon's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.
What is Dr. Dean Frederick MacKinnon's office phone number?
The practice phone on file for Dr. MacKinnon is (855) 662-3017.
What is Dr. Dean Frederick MacKinnon's medical license number?
Dr. MacKinnon holds Maryland license D42531.
Which hospitals is Dr. Dean Frederick MacKinnon affiliated with?
Dr. MacKinnon is affiliated with The Johns Hopkins Hospital.
What medical group is Dr. Dean Frederick MacKinnon part of?
Dr. MacKinnon is linked to Johns Hopkins University.
Does Dr. Dean Frederick MacKinnon accept Medicare?
Yes. CMS data shows Dr. MacKinnon billed Medicare for 274 services in 2024.
Does Dr. Dean Frederick MacKinnon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. MacKinnon as offering telehealth services.
What is Dr. Dean Frederick MacKinnon's MIPS score?
Dr. MacKinnon's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Dean Frederick MacKinnon see?
CMS counts 62 Medicare patients who saw Dr. MacKinnon in 2024, with an average age of 65.
What services does Dr. Dean Frederick MacKinnon bill to Medicare?
In 2024, Dr. MacKinnon's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99231).
Where did Dr. Dean Frederick MacKinnon go to medical school?
Dr. MacKinnon graduated from University of California, San Diego School of Medicine in 1990.
What drugs does Dr. Dean Frederick MacKinnon prescribe most?
In 2024 Medicare Part D data, Dr. MacKinnon's most prescribed drugs by claims were Duloxetine HCl, Sertraline HCl and Quetiapine Fumarate.
How long has Dr. Dean Frederick MacKinnon been practicing?
Dr. MacKinnon graduated from medical school in 1990, 36 years ago.
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