Burnout, ProfessionalInternal MedicineInternship and Residency
Dr. John Michael Cmar, MD
NPI1669583837
- Medicare services, 2021
- 24
- Part D claims, 2020
- 11
- Publications
- 1
- Industry payments
- $389
- Insurance carriers
- 5
- Practice address
- 2435 W Belvedere Ave, Baltimore, MD 21215-5224
- Practice phone
- Call (410) 601-6207
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Cmar's professional email, personal email and mobile number
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Dr. John Michael Cmar is an infectious disease specialist in Baltimore, Maryland
Dr. Cmar practices in Baltimore, Maryland.
Dr. Cmar's NPI, 1669583837, was assigned on August 31, 2006. Dr. Cmar graduated from University Of Cincinnati College Of Medicine in 2001. Dr. Cmar holds Maryland license D0066118.
NPI and contact details
- NPI
- 1669583837NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Practice phone
- (410) 601-6207
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. John Michael Cmar's practice address is in Baltimore, Maryland
Dr. Cmar's practice address in the NPI Registry is 2435 W Belvedere Ave, Baltimore, MD 21215-5224. The practice phone is (410) 601-6207.
- NPI Registry address2435 W Belvedere Ave, Baltimore, MD 21215-5224Phone(410) 601-6207
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. John Michael Cmar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cmar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Cmar's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Michael Cmar is one of 303 infectious disease specialists in Maryland
Infectious disease is Dr. Cmar's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Cmar is board certified in infectious disease by the American Board of Internal Medicine. Dmand AI has Dr. Cmar's licenses on file in 3 states: Maryland, District of Columbia and Virginia.
Specialties and state licenses
- Infectious disease, MarylandPrimary
- District of Columbia license
- Virginia license
Infectious disease specialists near Dr. Cmar
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. John Michael Cmar billed Medicare for 24 services in 2021
CMS data shows 24 Medicare services from Dr. Cmar across 1 procedure code in 2021, all of them office visits. Medicare paid $1,560 for them. Every service was in an office.
Medicare services, 202124
Paid by Medicare$1,560
Procedure codes1
Dr. Cmar's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 182021: 2433%
Dr. Cmar compared with the Maryland median for infectious disease specialists, 2021
- Dr. Cmar
- Maryland median
- Medicare services
- 24vs 21789% below
- Part D claims
- 11vs 9889% below
Medians across 250 infectious disease specialists in Maryland with Dmand AI profiles that report each measure.
Dr. Cmar's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Cmar?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cmar 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. John Michael Cmar's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Cmar's median patient age at 69, with 0% women.
Dr. Cmar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. John Michael Cmar wrote 11 Medicare Part D claims in 2020
In 2020, Dr. Cmar wrote 11 Medicare Part D claims. They cover 1 drug, with $50 in total drug cost. In 2019, CMS named 261 claims across 15 drugs.
Part D claims, 202011
Drugs named by CMS1
Total drug cost$50
Dr. Cmar's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 2612020: 1196%
Drugs named by CMS: 1 in 2020, 15 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. John Michael Cmar has 1 publication on record
Dmand AI links 1 paper to Dr. Cmar in 2018. Dr. Cmar's most frequent co-authors are Kathleen Mary Finn, MD, Kathlyn E. Fletcher, MD and Sandhya Wahi-Gururaj, MD.
Papers1
Dr. Cmar's most frequent co-authors
- Kathleen Mary Finn, MD1 shared paper
- Kathlyn E. Fletcher, MD1 shared paper
- Sandhya Wahi-Gururaj, MD1 shared paper
Recent publications by Dr. Cmar
See who Dr. Cmar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cmar works with, so you can find a warm path to the right infectious disease specialists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Michael Cmar received $389 in industry payments from 2018 to 2019
CMS Open Payments shows 5 general payments to Dr. Cmar from 3 drug and device companies from 2018 to 2019. Travel and lodging make up the largest share, 72% of the total. Merck Sharp & Dohme Corporation paid the most, $338.
General payments to Dr. Cmar by program year, 2018 to 2019
General payments to Dr. Cmar by kind, 2018 to 2019
$389in total
- Travel and lodging$28072%
- Food and beverage$10928%
Companies that paid Dr. Cmar the most, 2018 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Michael Cmar graduated from University Of Cincinnati College Of Medicine
Dr. Cmar graduated from University Of Cincinnati College Of Medicine in 2001.
- Medical school
- Board certified in infectious disease
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. John Michael Cmar accepts plans from 5 insurance carriers
Dr. Cmar is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, CareFirst BlueCross BlueShield and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- CareFirst BlueCross BlueShield
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Cmar accepts, by number of carriers
- Medicare5
- PPO5
- HMO2
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Michael Cmar'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 |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Cmar
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 Cmar's NPI number?
Dr. John Michael Cmar's NPI number is 1669583837. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Michael Cmar?
Dr. John Michael Cmar 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. John Michael Cmar practice?
Dr. Cmar practices at 2435 W Belvedere Ave, Baltimore, MD 21215-5224.
What is Dr. John Michael Cmar's office phone number?
The practice phone on file for Dr. Cmar is (410) 601-6207.
What is Dr. John Michael Cmar's medical license number?
Dr. Cmar holds Maryland license D0066118, one of the licenses on file in 3 states.
Which states has Dr. John Michael Cmar been licensed in?
Dmand AI has state licenses on file for Dr. Cmar in Maryland (2007 to 2026), District of Columbia (2005 to 2008) and Virginia (2007).
Does Dr. John Michael Cmar accept Medicare?
Yes. CMS data shows Dr. Cmar billed Medicare for 24 services in 2021.
Is Dr. John Michael Cmar board certified?
Yes. Dr. Cmar is board certified in infectious disease by the American Board of Internal Medicine.
What services does Dr. John Michael Cmar bill to Medicare?
In 2021, Dr. Cmar's most billed Medicare services were office visit, established patient (99213).
Where did Dr. John Michael Cmar go to medical school?
Dr. Cmar graduated from University Of Cincinnati College Of Medicine in 2001.
Show 6 more questionsShow fewer questions
What drugs does Dr. John Michael Cmar prescribe most?
In 2020 Medicare Part D data, Dr. Cmar's most prescribed drugs by claims were Lisinopril-Hydrochlorothiazide.
Has Dr. John Michael Cmar received payments from drug or device companies?
CMS Open Payments shows $389 in general payments to Dr. Cmar from 3 companies from 2018 to 2019. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. John Michael Cmar been practicing?
Dr. Cmar graduated from medical school in 2001, 25 years ago.
Does Dr. John Michael Cmar do research?
Dmand AI links 1 publication to Dr. Cmar.
Who does Dr. John Michael Cmar publish with?
Dr. Cmar's most frequent co-authors are Kathleen Mary Finn, MD (1 shared paper), Kathlyn E. Fletcher, MD (1 shared paper) and Sandhya Wahi-Gururaj, MD (1 shared paper).
What insurance does Dr. John Michael Cmar accept?
Dr. Cmar is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, CareFirst BlueCross BlueShield and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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