Dr. Sergio Andres Montoya, MD
- Medicare services, 2024
- 923
- Medicare patients, 2024
- 367
- Part D claims, 2024
- 421
- Publications
- 1
- Hospital affiliations
- 2
- 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
- Get mobile number
Primary practice
Inova Fairfax Hospital - Unit
Acute Care Hospital-Unit · Falls Church, Virginia
Find Dr. Montoya's professional email, personal email and mobile number
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Dr. Sergio Andres Montoya is an internist in Falls Church, Virginia
Dr. Montoya practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Dr. Montoya's NPI, 1073789301, was assigned on May 6, 2008. Dr. Montoya graduated from University of Texas Medical Branch at Galveston in 2005. Dr. Montoya holds Virginia license 0101276627.
- NPI
- 1073789301NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012169469
- NPI enumeration date
- May 6, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (703) 698-3659
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sergio Andres Montoya practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia
Dr. Montoya'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 - Unit3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659
Source: Dmand AI Affiliation Data
Dr. Sergio Andres Montoya is affiliated with 2 sites of care and 1 medical group
Dr. Montoya's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dr. Montoya is also affiliated with Inova Fairfax Hospital. The medical group on file is Inova Urgent Care Center.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Sergio Andres Montoya's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Montoya practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inova Fairfax Hospital - Unit | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sergio Andres Montoya is one of 3,339 internists in Virginia
Internal medicine is Dr. Montoya's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Montoya is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Montoya's licenses on file in 2 states: Virginia and Michigan.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
- Michigan license
Internists near Dr. Montoya
Counts of internists 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. Sergio Andres Montoya billed Medicare for 923 services in 2024
CMS data shows 923 Medicare services from Dr. Montoya across 5 procedure codes in 2024, for 367 Medicare patients. Medicare paid $71,573 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Montoya's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9362024: 9231%
Dr. Montoya compared with the Virginia median for internists, 2024
- Dr. Montoya
- Virginia median
- Medicare services
- 923vs 60752% above
- Medicare patients
- 367vs 24649% above
- Part D claims
- 176vs 22421% below
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. Montoya'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.
Need commercial claims for Dr. Montoya?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Montoya and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sergio Andres Montoya treated 367 Medicare patients in 2024, average age 78
CMS counts 367 Medicare patients who saw Dr. Montoya in 2024. The largest group is 75 to 84, with 155 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.89, 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. Montoya's median patient age at 65, with 40% women.
Dr. Montoya's Medicare patients by age, 2024
Dr. Montoya's Medicare patients by sex, 2024
- Women17849%
- Men18951%
Chronic conditions among Dr. Montoya's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease61%
- Arthritis59%
- Chronic kidney disease58%
- Heart failure56%
- Diabetes50%
- Atrial fibrillation46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Montoya's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women40%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sergio Andres Montoya wrote 421 Medicare Part D claims in 2024
In 2024, Dr. Montoya wrote 421 Medicare Part D claims for 136 patients. 81% of them were for generic drugs. CMS names the drug for 176 of them, across 11 drugs with 11 or more claims each, at $13,290 in total drug cost. In 2023, CMS named 180 claims across 10 drugs.
Dr. Montoya's Part D claims by kind of drug, 2024
- Generic340 claims81%
- Brand-name and other81 claims19%
Dr. Montoya's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Montoya's Part D claims, 2024
- Opioids3%13 of 421 claims
- Antibiotics13%55 of 421 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1802024: 1762%
Drugs named by CMS: 11 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Sergio Andres Montoya takes part in Medicare
Dr. Montoya accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sergio Andres Montoya has 1 publication on record
Dmand AI links 1 paper to Dr. Montoya. Dr. Montoya's most frequent co-authors are Raxitkumar Jinjuvadia, MD, Suthat Liangpunsakul, MD and Prateek Lohia, MD.
Dr. Montoya's most frequent co-authors
- Raxitkumar Jinjuvadia, MD1 shared paper
- Suthat Liangpunsakul, MD1 shared paper
- Prateek Lohia, MD1 shared paper
Recent publications by Dr. Montoya
See who Dr. Montoya researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Montoya works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sergio Andres Montoya received $412 in industry payments from 2016 to 2025
CMS Open Payments shows 11 general payments to Dr. Montoya from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $125.
General payments to Dr. Montoya by program year, 2016 to 2025
Companies that paid Dr. Montoya the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sergio Andres Montoya graduated from University of Texas Medical Branch at Galveston
Dr. Montoya graduated from University of Texas Medical Branch at Galveston in 2005.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Sergio Andres Montoya'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 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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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) |
| 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 |
| 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. Sergio Andres Montoya
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. Sergio Andres Montoya's NPI number?
Dr. Sergio Andres Montoya's NPI number is 1073789301. It was assigned on May 6, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Sergio Andres Montoya?
Dr. Sergio Andres Montoya is an internist in Falls Church, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sergio Andres Montoya practice?
Dr. Montoya practices at 3300 Gallows Rd, Falls Church, VA 22046. Dr. Montoya's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia.
What is Dr. Sergio Andres Montoya's office phone number?
The practice phone on file for Dr. Montoya is (703) 698-3659.
What is Dr. Sergio Andres Montoya's medical license number?
Dr. Montoya holds Virginia license 0101276627, one of the licenses on file in 2 states.
Which states has Dr. Sergio Andres Montoya been licensed in?
Dmand AI has state licenses on file for Dr. Montoya in Virginia and Michigan.
Which hospitals is Dr. Sergio Andres Montoya affiliated with?
Dr. Montoya is affiliated with Inova Fairfax Hospital. Dmand AI links Dr. Montoya to 1 more hospital.
What medical group is Dr. Sergio Andres Montoya part of?
Dr. Montoya is linked to Inova Urgent Care Center.
Does Dr. Sergio Andres Montoya accept Medicare?
Yes. CMS data shows Dr. Montoya billed Medicare for 923 services in 2024, and Dr. Montoya accepts Medicare assignment.
How many Medicare patients does Dr. Sergio Andres Montoya see?
CMS counts 367 Medicare patients who saw Dr. Montoya in 2024, with an average age of 78.
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Is Dr. Sergio Andres Montoya board certified?
Yes. Dr. Montoya is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Sergio Andres Montoya bill to Medicare?
In 2024, Dr. Montoya's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
Where did Dr. Sergio Andres Montoya go to medical school?
Dr. Montoya graduated from University of Texas Medical Branch at Galveston in 2005.
What drugs does Dr. Sergio Andres Montoya prescribe most?
In 2024 Medicare Part D data, Dr. Montoya's most prescribed drugs by claims were Furosemide, Pantoprazole Sodium and Atorvastatin Calcium.
Has Dr. Sergio Andres Montoya received payments from drug or device companies?
CMS Open Payments shows $412 in general payments to Dr. Montoya from 7 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Sergio Andres Montoya been practicing?
Dr. Montoya graduated from medical school in 2005, 21 years ago.
Does Dr. Sergio Andres Montoya do research?
Dmand AI links 1 publication to Dr. Montoya.
Who does Dr. Sergio Andres Montoya publish with?
Dr. Montoya's most frequent co-authors are Raxitkumar Jinjuvadia, MD (1 shared paper), Suthat Liangpunsakul, MD (1 shared paper) and Prateek Lohia, MD (1 shared paper).
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