Dr. Gregory Robert Trimble, MD

  • Falls Church, VA
  • Hospitalist
NPI1306064498PAC ID1254415599
Medicare services, 2024
335
Medicare patients, 2024
107
Part D claims, 2024
14
Publications
5
MIPS score, 2024
83
Practice address
3300 Gallows Rd, Falls Church, VA 22046
Practice phone
Call (703) 698-3659
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Inova Fairfax Hospital - Unit

Acute Care Hospital-Unit · Falls Church, Virginia

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Dr. Gregory Robert Trimble is a hospitalist in Falls Church, Virginia

Dr. Trimble practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.

Dr. Trimble's NPI, 1306064498, was assigned on April 23, 2007. Dr. Trimble holds Virginia license 0101243239.

NPI and contact details
Medicare PAC ID
1254415599
NPI enumeration date
April 23, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(703) 698-3659
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gregory Robert Trimble practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia

Dr. Trimble's primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.

  • Inova Fairfax Hospital - Unit
    3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659

Source: Dmand AI Affiliation Data

Dr. Gregory Robert Trimble is affiliated with 2 sites of care and 1 medical group

Dr. Trimble's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dr. Trimble is also affiliated with Inova Fairfax Hospital. The medical group on file is Inova Urgent Care Center.

Inova Fairfax Hospital - UnitAcute Care Hospital-Unit · Falls Church, VirginiaPrimary
Inova Fairfax HospitalAcute care hospital, Falls Church, VAInova Urgent Care CenterPrimary care group, Vienna, VA

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Gregory Robert Trimble's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trimble practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Inova Fairfax Hospital - UnitAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory Robert Trimble is one of 551 hospitalists in Virginia

Hospitalist is Dr. Trimble's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Trimble is licensed in Virginia.

Specialties and state licenses

  • Hospitalist, VirginiaPrimaryLicense 0101243239 · taxonomy 208M00000X

Hospitalists near Dr. Trimble

Counts of hospitalists 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. Gregory Robert Trimble billed Medicare for 335 services in 2024

CMS data shows 335 Medicare services from Dr. Trimble across 3 procedure codes in 2024, for 107 Medicare patients. Medicare paid $30,371 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024335
Medicare patients107
Paid by Medicare$30,371
Procedure codes3

Dr. Trimble's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3772024: 33511%

Dr. Trimble compared with the Virginia median for hospitalists, 2024

  • Dr. Trimble
  • Virginia median
Medicare services
335vs 51235% below
Medicare patients
107vs 25258% below

Medians across 522 hospitalists in Virginia with Dmand AI profiles that report each measure.

Dr. Trimble'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.

See all procedures by Dr. Trimble

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Gregory Robert Trimble treated 107 Medicare patients in 2024, average age 77

CMS counts 107 Medicare patients who saw Dr. Trimble in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.59, 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. Trimble's median patient age at 67, with 35% women.

Medicare patients, 2024107
Average age77
Average risk score2.59
Also on Medicaid19%

Dr. Trimble's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Trimble's Medicare patients by sex, 2024

  • Women5753%
  • Men5047%

Chronic conditions among Dr. Trimble's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease62%
  4. Arthritis61%
  5. Chronic kidney disease57%
  6. Diabetes55%
  7. Heart failure52%
  8. Atrial fibrillation48%

Share of Medicare patients with each condition. A patient can have several.

Dr. Trimble's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women35%
  • Men63%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gregory Robert Trimble wrote 14 Medicare Part D claims in 2024

In 2024, Dr. Trimble wrote 14 Medicare Part D claims.

Part D claims, 202414

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Gregory Robert Trimble 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. Trimble for performance year 2024, reported as part of a group. Dr. Trimble accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Trimble's MIPS scores, performance year 2024

  • 83of 100Final score
  • 73of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 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. Gregory Robert Trimble has 5 publications on record

Dmand AI links 5 papers to Dr. Trimble, published from 2013 to 2020. The most frequent topics are Cardiovascular Diseases, Comorbidity and Non-alcoholic Fatty Liver Disease. Dr. Trimble's most frequent co-authors are Saleh A. Alqahtani, MD, Cameron Trevor Locklear, MD and Lei Zheng, MD.

Papers5
Years published2013 to 2020

Dr. Trimble's papers by year, 2013 to 2020

Topics Dr. Trimble writes about most

  • Cardiovascular Diseases
  • Comorbidity
  • Non-alcoholic Fatty Liver Disease
  • Cause of Death
  • Diabetes Mellitus
  • Metabolic Syndrome
  • Nutrition Surveys

Dr. Trimble's most frequent co-authors

Recent publications by Dr. Trimble

See all 5 publications and co-authors

See who Dr. Trimble researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Trimble works with, so you can find a warm path to the right hospitalists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Sources for Dr. Gregory Robert Trimble's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Gregory Robert Trimble

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. Gregory Robert Trimble's NPI number?

Dr. Gregory Robert Trimble's NPI number is 1306064498. It was assigned on April 23, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory Robert Trimble?

Dr. Gregory Robert Trimble is a hospitalist in Falls Church, Virginia. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Gregory Robert Trimble practice?

Dr. Trimble practices at 3300 Gallows Rd, Falls Church, VA 22046. Dr. Trimble's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia.

What is Dr. Gregory Robert Trimble's office phone number?

The practice phone on file for Dr. Trimble is (703) 698-3659.

What is Dr. Gregory Robert Trimble's medical license number?

Dr. Trimble holds Virginia license 0101243239.

Which hospitals is Dr. Gregory Robert Trimble affiliated with?

Dr. Trimble is affiliated with Inova Fairfax Hospital. Dmand AI links Dr. Trimble to 1 more hospital.

What medical group is Dr. Gregory Robert Trimble part of?

Dr. Trimble is linked to Inova Urgent Care Center.

Does Dr. Gregory Robert Trimble accept Medicare?

Yes. CMS data shows Dr. Trimble billed Medicare for 335 services in 2024, and Dr. Trimble accepts Medicare assignment.

What is Dr. Gregory Robert Trimble's MIPS score?

Dr. Trimble's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

How many Medicare patients does Dr. Gregory Robert Trimble see?

CMS counts 107 Medicare patients who saw Dr. Trimble in 2024, with an average age of 77.

Show 4 more questionsShow fewer questions

What services does Dr. Gregory Robert Trimble bill to Medicare?

In 2024, Dr. Trimble's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).

How long has Dr. Gregory Robert Trimble been practicing?

Dr. Trimble graduated from medical school in 2003, 23 years ago.

Does Dr. Gregory Robert Trimble do research?

Dmand AI links 5 publications to Dr. Trimble, published from 2013 to 2020.

Who does Dr. Gregory Robert Trimble publish with?

Dr. Trimble's most frequent co-authors are Saleh A. Alqahtani, MD (1 shared paper), Cameron Trevor Locklear, MD (1 shared paper) and Lei Zheng, MD (1 shared paper).

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