Dr. Harold T. Rowson, MD
- Medicare services, 2024
- 337
- Medicare patients, 2024
- 329
- MIPS score, 2024
- 81
- Industry payments
- $69
- Affiliated sites
- 2
- Practice address
- 24035 3 Notch Rd, Hollywood, MD 20636
- Practice phone
- Call (301) 373-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medstar Medical Group - Southern Maryland LLC
Hollywood, Maryland
Find Dr. Rowson's professional email, personal email and mobile number
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Dr. Harold T. Rowson is an anesthesiologist in Hollywood, Maryland
Dr. Rowson practices at Medstar Medical Group - Southern Maryland LLC in Hollywood, Maryland.
Dr. Rowson's NPI, 1164407698, was assigned on December 7, 2005. Dr. Rowson graduated from Temple University School of Medicine in 1985. Dr. Rowson holds Maryland license D40908.
- NPI
- 1164407698NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345214912
- NPI enumeration date
- December 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 373-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Harold T. Rowson practices at Medstar Medical Group - Southern Maryland LLC in Hollywood, Maryland
Dr. Rowson's primary practice is Medstar Medical Group - Southern Maryland LLC, at 24035 3 Notch Rd, Hollywood, MD 20636 in Saint Marys County. The practice phone is (301) 373-7900.
- Medstar Medical Group - Southern Maryland LLC24035 3 Notch Rd, Hollywood, MD 20636 · Saint Marys CountyPhone(301) 373-7900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Harold T. Rowson is affiliated with 3 sites of care and 1 medical group
Dr. Rowson's primary practice is Medstar Medical Group - Southern Maryland LLC in Hollywood, Maryland. The medical group on file is MedStar Shah Medical Group. Dmand AI also links Dr. Rowson to 1 more physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Harold T. Rowson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rowson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medstar Medical Group - Southern Maryland LLC | 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. Harold T. Rowson is one of 965 anesthesiologists in Maryland
Anesthesiology is Dr. Rowson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Rowson is licensed in Maryland.
Specialties and state licenses
- Anesthesiology, MarylandPrimary
Anesthesiologists near Dr. Rowson
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. Harold T. Rowson billed Medicare for 337 services in 2024
CMS data shows 337 Medicare services from Dr. Rowson across 4 procedure codes in 2024, for 329 Medicare patients. Medicare paid $38,261 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rowson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 3312024: 3372%
Dr. Rowson compared with the Maryland median for anesthesiologists, 2024
- Dr. Rowson
- Maryland median
- Medicare services
- 337vs 1013.3 times
- Medicare patients
- 329vs 17687% above
Medians across 918 anesthesiologists in Maryland with Dmand AI profiles that report each measure.
Dr. Rowson'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. Rowson and other anesthesiologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Harold T. Rowson treated 329 Medicare patients in 2024, average age 72
CMS counts 329 Medicare patients who saw Dr. Rowson in 2024. The largest group is 65 to 74, with 164 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rowson's median patient age at 63, with 64% women.
Dr. Rowson's Medicare patients by age, 2024
Dr. Rowson's Medicare patients by sex, 2024
- Women21365%
- Men11635%
Chronic conditions among Dr. Rowson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes45%
- Chronic kidney disease33%
- Ischemic heart disease24%
- Cancer18%
- Anxiety17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rowson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Harold T. Rowson scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Rowson for performance year 2024, reported as part of a group. Dr. Rowson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Rowson's MIPS scores, performance year 2024
- 81of 100Final score
- 61.5of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
- 80of 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. Harold T. Rowson received $69 in industry payments from 2017 to 2021
CMS Open Payments shows 4 general payments to Dr. Rowson from 4 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. Horizon Pharma plc paid the most, $23.
General payments to Dr. Rowson by program year, 2017 to 2021
Companies that paid Dr. Rowson the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Harold T. Rowson graduated from Temple University School of Medicine
Dr. Rowson graduated from Temple University School of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Harold T. Rowson'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 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. Harold T. Rowson
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. Harold T. Rowson's NPI number?
Dr. Harold T. Rowson's NPI number is 1164407698. It was assigned on December 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Harold T. Rowson?
Dr. Harold T. Rowson is an anesthesiologist in Hollywood, Maryland. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Harold T. Rowson practice?
Dr. Rowson practices at 24035 3 Notch Rd, Hollywood, MD 20636. Dr. Rowson's primary practice is Medstar Medical Group - Southern Maryland LLC in Hollywood, Maryland. Dmand AI also links Dr. Rowson to 1 physician office and 1 group practice or clinic.
What is Dr. Harold T. Rowson's office phone number?
The practice phone on file for Dr. Rowson is (301) 373-7900.
What is Dr. Harold T. Rowson's medical license number?
Dr. Rowson holds Maryland license D40908.
What medical group is Dr. Harold T. Rowson part of?
Dr. Rowson is linked to MedStar Shah Medical Group.
Does Dr. Harold T. Rowson accept Medicare?
Yes. CMS data shows Dr. Rowson billed Medicare for 337 services in 2024, and Dr. Rowson accepts Medicare assignment.
What is Dr. Harold T. Rowson's MIPS score?
Dr. Rowson's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Harold T. Rowson see?
CMS counts 329 Medicare patients who saw Dr. Rowson in 2024, with an average age of 72.
What services does Dr. Harold T. Rowson bill to Medicare?
In 2024, Dr. Rowson's most billed Medicare services were anesthesia (00813), anesthesia (00731) and anesthesia (00812).
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Where did Dr. Harold T. Rowson go to medical school?
Dr. Rowson graduated from Temple University School of Medicine in 1985.
Has Dr. Harold T. Rowson received payments from drug or device companies?
CMS Open Payments shows $69 in general payments to Dr. Rowson from 4 companies from 2017 to 2021. The largest total came from Horizon Pharma plc.
How long has Dr. Harold T. Rowson been practicing?
Dr. Rowson graduated from medical school in 1985, 41 years ago.
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