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Dr. Petros C. Karakousis, MD
NPI1780621912PAC ID8527082361
- Medicare services, 2024
- 37
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 701
- Publications
- 129
- MIPS score, 2024
- 83
- 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. Karakousis' professional email, personal email and mobile number
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Dr. Petros C. Karakousis is an infectious disease specialist in Baltimore, Maryland
Dr. Karakousis practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.
Dr. Karakousis' NPI, 1780621912, was assigned on May 31, 2006. Dr. Karakousis graduated from Washington University School of Medicine in 1998. Dr. Karakousis holds Maryland license D63686.
NPI and contact details
- NPI
- 1780621912NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527082361
- NPI enumeration date
- May 31, 2006
- NPI status
- Active
- Practice phone
- (855) 662-3017
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Petros C. Karakousis practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland
Dr. Karakousis' 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. Petros C. Karakousis is affiliated with 2 sites of care and 1 medical group
Dr. Karakousis' primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Karakousis is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University.
Johns Hopkins Hospital Nelson/Harvey BuildingPrimary
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. Petros C. Karakousis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Karakousis 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. Petros C. Karakousis is one of 303 infectious disease specialists in Maryland
Infectious disease is Dr. Karakousis' primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Karakousis is licensed in Maryland.
Specialties and state licenses
- Infectious disease, MarylandPrimary
Infectious disease specialists near Dr. Karakousis
Counts of infectious disease specialists 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. Petros C. Karakousis billed Medicare for 37 services in 2024
CMS data shows 37 Medicare services from Dr. Karakousis across 1 procedure code in 2024, for 15 Medicare patients. Medicare paid $2,310 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202437
Medicare patients15
Paid by Medicare$2,310
Procedure codes1
Dr. Karakousis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 512024: 3727%
Dr. Karakousis compared with the Maryland median for infectious disease specialists, 2024
- Dr. Karakousis
- Maryland median
- Medicare services
- 37vs 21783% below
- Medicare patients
- 15vs 12688% below
- Part D claims
- 402vs 984.1 times
Medians across 250 infectious disease specialists in Maryland with Dmand AI profiles that report each measure.
Dr. Karakousis' 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Karakousis and other infectious disease specialists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Petros C. Karakousis treated 15 Medicare patients in 2024, average age 63
CMS counts 15 Medicare patients who saw Dr. Karakousis in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 5.02, 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. Karakousis' median patient age at 64, with 25% women.
Medicare patients, 202415
Average age63
Average risk score5.02
Dr. Karakousis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Karakousis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Chronic kidney disease73%
- Depression73%
- Heart failure73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Karakousis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women25%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Petros C. Karakousis wrote 701 Medicare Part D claims in 2024
In 2024, Dr. Karakousis wrote 701 Medicare Part D claims for 102 patients. 57% of them were for generic drugs. CMS names the drug for 402 of them, across 17 drugs with 11 or more claims each, at $590,337 in total drug cost. In 2023, CMS named 1,006 claims across 37 drugs.
Part D claims, 2024701
Drugs named by CMS17
Total drug cost$590,337
Part D patients102
Dr. Karakousis' Part D claims by kind of drug, 2024
- Generic401 claims57%
- Brand-name300 claims43%
Dr. Karakousis' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0062024: 40260%
Drugs named by CMS: 17 in 2024, 37 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. Petros C. Karakousis 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. Karakousis for performance year 2024, reported as part of a group.
Dr. Karakousis' 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.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Petros C. Karakousis has 129 publications on record
Dmand AI links 129 papers to Dr. Karakousis, published from 2007 to 2025. 2021 was the busiest year, with 13. The most frequent topics are Mycobacterium tuberculosis, Tuberculosis and Antitubercular Agents. Dr. Karakousis has published most often in Antimicrob Agents Chemother. Dr. Karakousis' most frequent co-authors are Michael Pinn, MD, Samuel Kwakye Ayeh, MD, MPH and Vignesh Chidambaram, MD, MPH.
Papers129
Years published2007 to 2025
Dr. Karakousis' papers by year, 2016 to 2025
Topics Dr. Karakousis writes about most
- Mycobacterium tuberculosis
- Tuberculosis
- Antitubercular Agents
- Disease Models, Animal
- Lung
- Isoniazid
- Bacterial Proteins
- Guinea Pigs
Dr. Karakousis' most frequent co-authors
- Michael Pinn, MD16 shared papers
- Samuel Kwakye Ayeh, MD, MPH15 shared papers
- Vignesh Chidambaram, MD, MPH12 shared papers
Recent publications by Dr. Karakousis
See who Dr. Karakousis researches with
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Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Petros C. Karakousis graduated from Washington University School of Medicine
Dr. Karakousis graduated from Washington University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Petros C. Karakousis'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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Petros C. Karakousis
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. Petros C. Karakousis' NPI number?
Dr. Petros C. Karakousis' NPI number is 1780621912. It was assigned on May 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Petros C. Karakousis?
Dr. Petros C. Karakousis is an infectious disease specialist in Baltimore, Maryland. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Petros C. Karakousis practice?
Dr. Karakousis practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Karakousis' primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.
What is Dr. Petros C. Karakousis' office phone number?
The practice phone on file for Dr. Karakousis is (855) 662-3017.
What is Dr. Petros C. Karakousis' medical license number?
Dr. Karakousis holds Maryland license D63686.
Which hospitals is Dr. Petros C. Karakousis affiliated with?
Dr. Karakousis is affiliated with The Johns Hopkins Hospital.
What medical group is Dr. Petros C. Karakousis part of?
Dr. Karakousis is linked to Johns Hopkins University.
Does Dr. Petros C. Karakousis accept Medicare?
Yes. CMS data shows Dr. Karakousis billed Medicare for 37 services in 2024.
What is Dr. Petros C. Karakousis' MIPS score?
Dr. Karakousis' MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Petros C. Karakousis see?
CMS counts 15 Medicare patients who saw Dr. Karakousis in 2024, with an average age of 63.
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What services does Dr. Petros C. Karakousis bill to Medicare?
In 2024, Dr. Karakousis' most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Petros C. Karakousis go to medical school?
Dr. Karakousis graduated from Washington University School of Medicine in 1998.
What drugs does Dr. Petros C. Karakousis prescribe most?
In 2024 Medicare Part D data, Dr. Karakousis' most prescribed drugs by claims were Atorvastatin Calcium, Biktarvy and Tivicay.
How long has Dr. Petros C. Karakousis been practicing?
Dr. Karakousis graduated from medical school in 1998, 28 years ago.
Does Dr. Petros C. Karakousis do research?
Dmand AI links 129 publications to Dr. Karakousis, published from 2007 to 2025.
Who does Dr. Petros C. Karakousis publish with?
Dr. Karakousis' most frequent co-authors are Michael Pinn, MD (16 shared papers), Samuel Kwakye Ayeh, MD, MPH (15 shared papers) and Vignesh Chidambaram, MD, MPH (12 shared papers).
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