Dr. Garrett L. Parker, MD
- Medicare services, 2024
- 248
- Medicare patients, 2024
- 355
- MIPS score, 2024
- 82
- Industry payments
- $15
- Affiliated sites
- 2
- Practice address
- 12 Medstar Blvd, Bel Air, MD 21015-1798
- Practice phone
- Call (443) 625-5430
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medstar Radiology Network At Bel Air
Medical specialty practice · Bel Air, Maryland
Find Dr. Parker's professional email, personal email and mobile number
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Dr. Garrett L. Parker is a diagnostic radiologist in Bel Air, Maryland
Dr. Parker practices at Medstar Radiology Network At Bel Air in Bel Air, Maryland.
Dr. Parker's NPI, 1598028771, was assigned on June 21, 2012. Dr. Parker graduated from Uniformed Services UHS Fe Hebert School of Med in 2008. Dr. Parker holds Indiana license 01073031A.
- NPI
- 1598028771NPI Registry (opens in a new tab)
- NPI enumeration date
- June 21, 2012
- NPI status
- Active
- Practice phone
- (443) 625-5430
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Garrett L. Parker practices at Medstar Radiology Network at Bel Air in Bel Air, Maryland
Dr. Parker's primary practice is Medstar Radiology Network at Bel Air, at 12 Medstar Blvd, Bel Air, MD 21015-1798. The practice phone is (443) 625-5430.
- Medstar Radiology Network at Bel Air12 Medstar Blvd, Bel Air, MD 21015-1798Phone(443) 625-5430
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Garrett L. Parker is affiliated with 2 sites of care and 3 medical groups
Dr. Parker's primary practice is Medstar Radiology Network At Bel Air in Bel Air, Maryland. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Parker to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Garrett L. Parker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medstar Radiology Network At Bel Air | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Garrett L. Parker is one of 626 diagnostic radiologists in Maryland
Diagnostic radiology is Dr. Parker's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Parker is licensed in Indiana.
Specialties and state licenses
- Diagnostic radiology, IndianaPrimary
Diagnostic radiologists near Dr. Parker
Counts of diagnostic radiologists 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. Garrett L. Parker billed Medicare for 248 services in 2024
CMS data shows 248 Medicare services from Dr. Parker across 8 procedure codes in 2024, for 355 Medicare patients. Medicare paid $2,789 for them.
Dr. Parker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 3672024: 24832%
Where Dr. Parker's Medicare services took place, 2024
- In an office3815%
- In a facility21085%
Dr. Parker compared with the Maryland median for diagnostic radiologists, 2024
- Dr. Parker
- Maryland median
- Medicare services
- 248vs 5,24195% below
- Medicare patients
- 355vs 1,94482% below
Medians across 602 diagnostic radiologists in Maryland with Dmand AI profiles that report each measure.
Dr. Parker'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. Parker and other diagnostic radiologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Garrett L. Parker treated 355 Medicare patients in 2024, average age 75
CMS counts 355 Medicare patients who saw Dr. Parker in 2024. The largest group is 65 to 74, with 132 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.21, 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. Parker's median patient age at 66, with 60% women.
Dr. Parker's Medicare patients by age, 2024
Dr. Parker's Medicare patients by sex, 2024
- Women21561%
- Men14039%
Chronic conditions among Dr. Parker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Diabetes46%
- Ischemic heart disease46%
- Mood disorders43%
- Chronic kidney disease41%
- Heart failure39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Garrett L. Parker scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Parker for performance year 2024, reported as part of a group.
Dr. Parker's MIPS scores, performance year 2024
- 82of 100Final score
- 67.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 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. Garrett L. Parker received $15 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Parker from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Eisai Inc. paid the most, $15.
Companies that paid Dr. Parker the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Garrett L. Parker graduated from Uniformed Services UHS Fe Hebert School of Med
Dr. Parker graduated from Uniformed Services UHS Fe Hebert School of Med in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Garrett L. Parker'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 | 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. Garrett L. Parker
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. Garrett L. Parker's NPI number?
Dr. Garrett L. Parker's NPI number is 1598028771. It was assigned on June 21, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Garrett L. Parker?
Dr. Garrett L. Parker is a diagnostic radiologist in Bel Air, Maryland. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Garrett L. Parker practice?
Dr. Parker practices at 12 Medstar Blvd, Bel Air, MD 21015-1798. Dr. Parker's primary practice is Medstar Radiology Network At Bel Air in Bel Air, Maryland. Dmand AI also links Dr. Parker to 2 medical groups and 1 group practice or clinic.
What is Dr. Garrett L. Parker's office phone number?
The practice phone on file for Dr. Parker is (443) 625-5430.
What is Dr. Garrett L. Parker's medical license number?
Dr. Parker holds Indiana license 01073031A.
What medical group is Dr. Garrett L. Parker part of?
Dr. Parker is linked to MedStar Medical Group. Dmand AI links Dr. Parker to 2 more medical groups.
Does Dr. Garrett L. Parker accept Medicare?
Yes. CMS data shows Dr. Parker billed Medicare for 248 services in 2024.
What is Dr. Garrett L. Parker's MIPS score?
Dr. Parker's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Garrett L. Parker see?
CMS counts 355 Medicare patients who saw Dr. Parker in 2024, with an average age of 75.
What services does Dr. Garrett L. Parker bill to Medicare?
In 2024, Dr. Parker's most billed Medicare services were diagnostic imaging (71045), radiation oncology (77080) and diagnostic imaging (71046).
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Where did Dr. Garrett L. Parker go to medical school?
Dr. Parker graduated from Uniformed Services UHS Fe Hebert School of Med in 2008.
Has Dr. Garrett L. Parker received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Parker from 1 company from 2020 to 2020. The largest total came from Eisai Inc.
How long has Dr. Garrett L. Parker been practicing?
Dr. Parker graduated from medical school in 2008, 18 years ago.
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