Dr. Ramasubramanian L. Chauhan, MD
- Medicare services, 2024
- 288
- Medicare patients, 2024
- 104
- Part D claims, 2024
- 2,100
- Hospital affiliations
- 2
- Industry payments
- $325
- Practice address
- 12605 E 16th Ave, Aurora, CO 80045
- Practice phone
- Call (720) 848-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chauhan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ramasubramanian L. Chauhan is an infectious disease specialist in Aurora, Colorado
Dr. Chauhan practices at UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth.
Dr. Chauhan's NPI, 1518197144, was assigned on July 16, 2009. Dr. Chauhan holds Colorado license DR.0051458.
- NPI
- 1518197144NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345497079
- NPI enumeration date
- July 16, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (720) 848-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ramasubramanian L. Chauhan practices at UCHealth University of Colorado Hospital in Aurora, Colorado
Dr. Chauhan's primary practice is UCHealth University of Colorado Hospital, at 12605 E 16th Ave, Aurora, CO 80045 in Adams County. The practice phone is (720) 848-0000.
- UCHealth University of Colorado Hospital12605 E 16th Ave, Aurora, CO 80045 · Adams CountyPhone(720) 848-0000
Source: Dmand AI Affiliation Data
Dr. Ramasubramanian L. Chauhan is affiliated with 2 sites of care and 2 medical groups
Dr. Chauhan's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. Dr. Chauhan is also affiliated with UCHealth Parkview Medical Center. The medical group on file is University of Colorado Medicine (CU Medicine). Dmand AI also links Dr. Chauhan to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ramasubramanian L. Chauhan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chauhan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCHealth University of Colorado Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ramasubramanian L. Chauhan is one of 155 infectious disease specialists in Colorado
Infectious disease is Dr. Chauhan's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dmand AI has Dr. Chauhan's licenses on file in 2 states: Colorado and Missouri.
Specialties and state licenses
- Infectious disease, ColoradoPrimary
- Internal medicine, Missouri
Infectious disease specialists near Dr. Chauhan
Counts of infectious disease specialists 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. Ramasubramanian L. Chauhan billed Medicare for 288 services in 2024
CMS data shows 288 Medicare services from Dr. Chauhan across 4 procedure codes in 2024, for 104 Medicare patients. Medicare paid $26,060 for them.
Dr. Chauhan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3442024: 28816%
Where Dr. Chauhan's Medicare services took place, 2024
- In an office4014%
- In a facility24886%
Dr. Chauhan compared with the Colorado median for infectious disease specialists, 2024
- Dr. Chauhan
- Colorado median
- Medicare services
- 288vs 291Close to median
- Medicare patients
- 104vs 13422% below
- Part D claims
- 1,755vs 1809.8 times
Medians across 150 infectious disease specialists in Colorado with Dmand AI profiles that report each measure.
Dr. Chauhan'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. Chauhan and other infectious disease specialists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ramasubramanian L. Chauhan treated 104 Medicare patients in 2024, average age 64
CMS counts 104 Medicare patients who saw Dr. Chauhan in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 36% are also on Medicaid. Their average risk score is 4.12, 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. Chauhan's median patient age at 56, with 25% women.
Dr. Chauhan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chauhan's Medicare patients by sex, 2024
- Women3837%
- Men6663%
Chronic conditions among Dr. Chauhan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol69%
- Chronic kidney disease63%
- Diabetes48%
- Arthritis43%
- Mood disorders43%
- Ischemic heart disease42%
- Depression38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chauhan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women25%
- Men75%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ramasubramanian L. Chauhan wrote 2,100 Medicare Part D claims in 2024
In 2024, Dr. Chauhan wrote 2,100 Medicare Part D claims for 79 patients. 65% of them were for generic drugs. CMS names the drug for 1,755 of them, across 59 drugs with 11 or more claims each, at $1,743,969 in total drug cost. In 2023, CMS named 1,142 claims across 46 drugs.
Dr. Chauhan's Part D claims by kind of drug, 2024
- Generic1,358 claims65%
- Brand-name and other742 claims35%
Dr. Chauhan'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. Chauhan's Part D claims, 2024
- Opioids2%42 of 2,100 claims
- Antibiotics2%43 of 2,100 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: 1,1422024: 1,75554%
Drugs named by CMS: 59 in 2024, 46 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
Dr. Ramasubramanian L. Chauhan offers telehealth to Medicare patients
Dr. Chauhan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chauhan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ramasubramanian L. Chauhan received $325 in industry payments from 2017 to 2025
CMS Open Payments shows 12 general payments to Dr. Chauhan from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 78% of the total. Astellas Pharma US Inc paid the most, $104.
General payments to Dr. Chauhan by program year, 2017 to 2025
General payments to Dr. Chauhan by kind, 2017 to 2025
- Food and beverage$25578%
- Education$7022%
Companies that paid Dr. Chauhan the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Ramasubramanian L. Chauhan'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) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Ramasubramanian L. Chauhan
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. Ramasubramanian L. Chauhan's NPI number?
Dr. Ramasubramanian L. Chauhan's NPI number is 1518197144. It was assigned on July 16, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Ramasubramanian L. Chauhan?
Dr. Ramasubramanian L. Chauhan is an infectious disease specialist in Aurora, Colorado. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Ramasubramanian L. Chauhan practice?
Dr. Chauhan practices at 12605 E 16th Ave, Aurora, CO 80045. Dr. Chauhan's primary practice is UCHealth University of Colorado Hospital in Aurora, Colorado, part of UCHealth. Dmand AI also links Dr. Chauhan to 1 medical group.
What is Dr. Ramasubramanian L. Chauhan's office phone number?
The practice phone on file for Dr. Chauhan is (720) 848-0000.
What is Dr. Ramasubramanian L. Chauhan's medical license number?
Dr. Chauhan holds Colorado license DR.0051458, one of the licenses on file in 2 states.
Which states has Dr. Ramasubramanian L. Chauhan been licensed in?
Dmand AI has state licenses on file for Dr. Chauhan in Colorado and Missouri.
Which hospitals is Dr. Ramasubramanian L. Chauhan affiliated with?
Dr. Chauhan practices at UCHealth University of Colorado Hospital in Aurora, Colorado. Dr. Chauhan is also affiliated with UCHealth Parkview Medical Center.
What medical group is Dr. Ramasubramanian L. Chauhan part of?
Dr. Chauhan is linked to University of Colorado Medicine (CU Medicine). Dmand AI links Dr. Chauhan to 1 more medical group.
Does Dr. Ramasubramanian L. Chauhan accept Medicare?
Yes. CMS data shows Dr. Chauhan billed Medicare for 288 services in 2024, and Dr. Chauhan accepts Medicare assignment.
Does Dr. Ramasubramanian L. Chauhan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chauhan as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Ramasubramanian L. Chauhan see?
CMS counts 104 Medicare patients who saw Dr. Chauhan in 2024, with an average age of 64.
What services does Dr. Ramasubramanian L. Chauhan bill to Medicare?
In 2024, Dr. Chauhan's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and office visit, established patient (99215).
What drugs does Dr. Ramasubramanian L. Chauhan prescribe most?
In 2024 Medicare Part D data, Dr. Chauhan's most prescribed drugs by claims were Biktarvy, Atorvastatin Calcium and Lisinopril.
Has Dr. Ramasubramanian L. Chauhan received payments from drug or device companies?
CMS Open Payments shows $325 in general payments to Dr. Chauhan from 5 companies from 2017 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Ramasubramanian L. Chauhan been practicing?
Dr. Chauhan graduated from medical school in 1999, 27 years ago.
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