Dr. Dirk C. Johnson, MD
- Medicare services, 2024
- 89
- Medicare patients, 2024
- 76
- MIPS score, 2024
- 87
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 20 York Street, New Haven, CT 06510
- Practice phone
- Call (203) 688-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale New Haven Psychiatric Hospital (York St)
Psychiatric Inpatient Facility · New Haven, Connecticut
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Dirk C. Johnson is a general surgeon in New Haven, Connecticut
Dr. Johnson practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Dr. Johnson's NPI, 1770748063, was assigned on July 25, 2008. Dr. Johnson graduated from Yale School of Medicine in 2000. Dr. Johnson holds Connecticut license 044811.
- NPI
- 1770748063NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597823690
- NPI enumeration date
- July 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 688-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Dirk C. Johnson practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
Dr. Johnson's primary practice is Yale New Haven Psychiatric Hospital (York St), at 20 York Street, New Haven, CT 06510. The practice phone is (203) 688-5900.
- Yale New Haven Psychiatric Hospital (York St)20 York Street, New Haven, CT 06510Phone(203) 688-5900
Source: Dmand AI Affiliation Data
Dr. Dirk C. Johnson is affiliated with 3 sites of care and 1 medical group
Dr. Johnson's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dr. Johnson is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dirk C. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale New Haven Psychiatric Hospital (York St) | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Dirk C. Johnson is one of 303 general surgeons in Connecticut
Surgery is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Johnson is licensed in Connecticut.
Specialties and state licenses
- Surgery, ConnecticutPrimary
General surgeons near Dr. Johnson
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. Dirk C. Johnson billed Medicare for 89 services in 2024
CMS data shows 89 Medicare services from Dr. Johnson across 2 procedure codes in 2024, for 76 Medicare patients. Medicare paid $13,264 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1192024: 8925%
Dr. Johnson compared with the Connecticut median for general surgeons, 2024
- Dr. Johnson
- Connecticut median
- Medicare services
- 89vs 10918% below
- Medicare patients
- 76vs 9520% below
Medians across 295 general surgeons in Connecticut with Dmand AI profiles that report each measure.
Dr. Johnson'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. Dirk C. Johnson treated 76 Medicare patients in 2024, average age 74
CMS counts 76 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 2.68, 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. Johnson's median patient age at 70, with 47% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women3546%
- Men4154%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Diabetes57%
- Ischemic heart disease51%
- Mood disorders50%
- Anxiety47%
- Heart failure45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women47%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Dirk C. Johnson scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group. Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Johnson's MIPS scores, performance year 2024
- 87of 100Final score
- 77.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Dirk C. Johnson graduated from Yale School of Medicine
Dr. Johnson graduated from Yale School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Dirk C. Johnson'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) |
| 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)Doctors and Clinicians Utilization Data (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. Dirk C. Johnson
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. Dirk C. Johnson's NPI number?
Dr. Dirk C. Johnson's NPI number is 1770748063. It was assigned on July 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Dirk C. Johnson?
Dr. Dirk C. Johnson is a general surgeon in New Haven, Connecticut. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Dirk C. Johnson practice?
Dr. Johnson practices at 20 York Street, New Haven, CT 06510. Dr. Johnson's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. Dirk C. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (203) 688-5900.
What is Dr. Dirk C. Johnson's medical license number?
Dr. Johnson holds Connecticut license 044811.
Which hospitals is Dr. Dirk C. Johnson affiliated with?
Dr. Johnson is affiliated with Yale New Haven Hospital.
What medical group is Dr. Dirk C. Johnson part of?
Dr. Johnson is linked to Yale Health.
Does Dr. Dirk C. Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 89 services in 2024, and Dr. Johnson accepts Medicare assignment.
What is Dr. Dirk C. Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Dirk C. Johnson see?
CMS counts 76 Medicare patients who saw Dr. Johnson in 2024, with an average age of 74.
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What services does Dr. Dirk C. Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were critical care (99291) and hospital inpatient care (99233).
Where did Dr. Dirk C. Johnson go to medical school?
Dr. Johnson graduated from Yale School of Medicine in 2000.
How long has Dr. Dirk C. Johnson been practicing?
Dr. Johnson graduated from medical school in 2000, 26 years ago.
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