Dr. Thomas E. Grissom, MD
- Medicare services, 2024
- 22
- Medicare patients, 2024
- 73
- MIPS score, 2024
- 100
- Hospital affiliations
- 1
- Industry payments
- $598
- Practice address
- 22 South Greene Street, Baltimore, MD 21201
- Practice phone
- Call (410) 328-8667
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grissom's professional email, personal email and mobile number
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Dr. Thomas E. Grissom is an anesthesiologist in Baltimore, Maryland
Dr. Grissom practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
Dr. Grissom's NPI, 1740221902, was assigned on June 9, 2006. Dr. Grissom graduated from Uniformed Services UHS Fe Hebert School of Med in 1986. Dr. Grissom holds Maryland license D60747.
- NPI
- 1740221902NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294710646
- NPI enumeration date
- June 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (410) 328-8667
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas E. Grissom practices at University of Maryland Medical Center in Baltimore, Maryland
Dr. Grissom's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.
- University of Maryland Medical Center22 South Greene Street, Baltimore, MD 21201 · Baltimore CityPhone(410) 328-8667
Source: Dmand AI Affiliation Data
Dr. Thomas E. Grissom is affiliated with 1 site of care and 1 medical group
Dr. Grissom's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. The medical group on file is R Adams Cowley Shock Trauma Center at the University of Maryland.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas E. Grissom's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grissom practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University of Maryland Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas E. Grissom is one of 965 anesthesiologists in Maryland
Anesthesiology is Dr. Grissom's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Grissom is licensed in Maryland.
Specialties and state licenses
- Anesthesiology, MarylandPrimary
Anesthesiologists near Dr. Grissom
Counts of anesthesiologists 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. Thomas E. Grissom billed Medicare for 22 services in 2024
CMS data shows 22 Medicare services from Dr. Grissom across 2 procedure codes in 2024, for 73 Medicare patients. Medicare paid $2,314 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Grissom's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 322024: 1166%
- Surgery
- 2023: 122024: 118%
Dr. Grissom compared with the Maryland median for anesthesiologists, 2024
- Dr. Grissom
- Maryland median
- Medicare services
- 22vs 10178% below
- Medicare patients
- 73vs 17659% below
Medians across 918 anesthesiologists in Maryland with Dmand AI profiles that report each measure.
Dr. Grissom'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grissom and other anesthesiologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas E. Grissom treated 73 Medicare patients in 2024, average age 73
CMS counts 73 Medicare patients who saw Dr. Grissom in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.20, 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. Grissom's median patient age at 54, with 29% women.
Dr. Grissom's Medicare patients by age, 2024
Dr. Grissom's Medicare patients by sex, 2024
- Women4460%
- Men2940%
Chronic conditions among Dr. Grissom's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Mood disorders59%
- Depression47%
- Diabetes45%
- Anxiety42%
- Chronic kidney disease38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grissom's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women29%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas E. Grissom scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Grissom for performance year 2024, reported as part of a group. Dr. Grissom accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Grissom's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Thomas E. Grissom received $598 in industry payments in 2018
CMS Open Payments shows 3 general payments to Dr. Grissom from 1 drug or device company in 2018. Travel and lodging make up the largest share, 78% of the total. Boston Scientific Corporation paid the most, $598.
General payments to Dr. Grissom by kind, 2018 to 2018
- Travel and lodging$46878%
- Food and beverage$13022%
Companies that paid Dr. Grissom the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas E. Grissom graduated from Uniformed Services UHS Fe Hebert School of Med
Dr. Grissom graduated from Uniformed Services UHS Fe Hebert School of Med in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas E. Grissom'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) |
| 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. Thomas E. Grissom
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. Thomas E. Grissom's NPI number?
Dr. Thomas E. Grissom's NPI number is 1740221902. It was assigned on June 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas E. Grissom?
Dr. Thomas E. Grissom is an anesthesiologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Thomas E. Grissom practice?
Dr. Grissom practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Grissom's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.
What is Dr. Thomas E. Grissom's office phone number?
The practice phone on file for Dr. Grissom is (410) 328-8667.
What is Dr. Thomas E. Grissom's medical license number?
Dr. Grissom holds Maryland license D60747.
Which hospitals is Dr. Thomas E. Grissom affiliated with?
Dr. Grissom practices at University of Maryland Medical Center in Baltimore, Maryland.
What medical group is Dr. Thomas E. Grissom part of?
Dr. Grissom is linked to R Adams Cowley Shock Trauma Center at the University of Maryland.
Does Dr. Thomas E. Grissom accept Medicare?
Yes. CMS data shows Dr. Grissom billed Medicare for 22 services in 2024, and Dr. Grissom accepts Medicare assignment.
What is Dr. Thomas E. Grissom's MIPS score?
Dr. Grissom's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Dr. Thomas E. Grissom see?
CMS counts 73 Medicare patients who saw Dr. Grissom in 2024, with an average age of 73.
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What services does Dr. Thomas E. Grissom bill to Medicare?
In 2024, Dr. Grissom's most billed Medicare services were anesthesia (01230) and surgery: heart and blood vessels (36620).
Where did Dr. Thomas E. Grissom go to medical school?
Dr. Grissom graduated from Uniformed Services UHS Fe Hebert School of Med in 1986.
Has Dr. Thomas E. Grissom received payments from drug or device companies?
CMS Open Payments shows $598 in general payments to Dr. Grissom from 1 company from 2018 to 2018. The largest total came from Boston Scientific Corporation.
How long has Dr. Thomas E. Grissom been practicing?
Dr. Grissom graduated from medical school in 1986, 40 years ago.
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