Dr. Sandhya C. Ayyar, MD

  • Aurora, CO
  • Infectious disease specialist
NPI1861679086PAC ID1557431814
Medicare services, 2024
300,688
Medicare patients, 2024
305
Part D claims, 2024
431
MIPS score, 2024
99
Hospital affiliations
5
Practice address
1501 S Potomac St, Aurora, CO 80012
Practice phone
Call (303) 873-5511
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

HCA HealthONE Aurora

Hospital · Aurora, Colorado

See all 7 affiliations

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Dr. Sandhya C. Ayyar is an infectious disease specialist in Aurora, Colorado

Dr. Ayyar practices at HCA HealthONE Aurora in Aurora, Colorado, part of HCA Healthcare.

Dr. Ayyar's NPI, 1861679086, was assigned on January 30, 2008. Dr. Ayyar holds Colorado license 46474.

NPI and contact details
Medicare PAC ID
1557431814
NPI enumeration date
January 30, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(303) 873-5511
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
55
Medical school graduation
1997

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

Dr. Sandhya C. Ayyar practices at HCA HealthONE Aurora in Aurora, Colorado

Dr. Ayyar's primary practice is HCA HealthONE Aurora, at 1501 S Potomac St, Aurora, CO 80012 in Arapahoe County. The practice phone is (303) 873-5511.

Source: Dmand AI Affiliation Data

Dr. Sandhya C. Ayyar is affiliated with 6 sites of care and 1 medical group

Dr. Ayyar's primary practice is HCA HealthONE Aurora in Aurora, Colorado, part of HCA Healthcare. Dr. Ayyar is also affiliated with UCHealth Highlands Ranch Hospital. The medical group on file is Rocky Mountain Infectious Disease Specialists. Dmand AI also links Dr. Ayyar to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Ayyar

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Sandhya C. Ayyar's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ayyar practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HCA HealthONE AuroraAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Sandhya C. Ayyar is one of 155 infectious disease specialists in Colorado

Infectious disease is Dr. Ayyar's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Ayyar is licensed in Colorado.

Specialties and state licenses

  • Infectious disease, ColoradoPrimaryLicense 46474 · taxonomy 207RI0200X

Infectious disease specialists near Dr. Ayyar

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. Sandhya C. Ayyar billed Medicare for 300,688 services in 2024

CMS data shows 300,688 Medicare services from Dr. Ayyar across 13 procedure codes in 2024, for 305 Medicare patients. Medicare paid $187,195 for them.

Medicare services, 2024300,688
Medicare patients305
Paid by Medicare$187,195
Procedure codes13

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

  • 2023
  • 2024
Drugs given in the office
2023: 344,2812024: 297,95613%
Tests and treatments
2023: 1,8162024: 1,7643%
Office and hospital visits
2023: 9402024: 9311%
Surgery
2023: 362024: 373%

Where Dr. Ayyar's Medicare services took place, 2024

  • In an office300,105100%
  • In a facility5830%

Dr. Ayyar compared with the Colorado median for infectious disease specialists, 2024

  • Dr. Ayyar
  • Colorado median
Medicare services
300,688vs 2911033.3 times
Medicare patients
305vs 1342.3 times
Part D claims
329vs 18083% above

Medians across 150 infectious disease specialists in Colorado with Dmand AI profiles that report each measure.

Dr. Ayyar'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. Ayyar

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

Dr. Sandhya C. Ayyar treated 305 Medicare patients in 2024, average age 75

CMS counts 305 Medicare patients who saw Dr. Ayyar in 2024. The largest group is 75 to 84, with 119 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% 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. Ayyar's median patient age at 69, with 47% women.

Medicare patients, 2024305
Average age75
Average risk score2.89
Also on Medicaid25%

Dr. Ayyar's Medicare patients by age, 2024

Dr. Ayyar's Medicare patients by sex, 2024

  • Women16353%
  • Men14247%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis64%
  4. Chronic kidney disease48%
  5. Mood disorders48%
  6. Diabetes47%
  7. Heart failure45%
  8. Ischemic heart disease45%

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

Dr. Ayyar's patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women47%
  • Men50%

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

Dr. Sandhya C. Ayyar wrote 431 Medicare Part D claims in 2024

In 2024, Dr. Ayyar wrote 431 Medicare Part D claims for 122 patients. 97% of them were for generic drugs. CMS names the drug for 329 of them, across 10 drugs with 11 or more claims each, at $23,465 in total drug cost. In 2023, CMS named 441 claims across 17 drugs.

Part D claims, 2024431
Drugs named by CMS10
Total drug cost$23,465
Part D patients122

Dr. Ayyar's Part D claims by kind of drug, 2024

  • Generic417 claims97%
  • Brand-name14 claims3%

Dr. Ayyar'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. Ayyar's Part D claims, 2024

  • Antibiotics83%357 of 431 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: 4412024: 32925%

Drugs named by CMS: 10 in 2024, 17 in 2023.

See all prescribing by Dr. Ayyar

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. Sandhya C. Ayyar scored 99 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Ayyar for performance year 2024, reported as part of a group. Dr. Ayyar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ayyar as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Ayyar's MIPS scores, performance year 2024

  • 99of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities
  • 75of 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

For MedTech and pharma teams

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Dr. Sandhya C. Ayyar received $56 in industry payments from 2018 to 2019

CMS Open Payments shows 3 general payments to Dr. Ayyar from 1 drug or device company from 2018 to 2019. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $56.

General payments to Dr. Ayyar by program year, 2018 to 2019

Companies that paid Dr. Ayyar the most, 2018 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Ayyar

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Sandhya C. Ayyar'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 DataDmand AI Org Hierarchy 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 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Sandhya C. Ayyar

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. Sandhya C. Ayyar's NPI number?

Dr. Sandhya C. Ayyar's NPI number is 1861679086. It was assigned on January 30, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Sandhya C. Ayyar?

Dr. Sandhya C. Ayyar 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. Sandhya C. Ayyar practice?

Dr. Ayyar practices at 1501 S Potomac St, Aurora, CO 80012. Dr. Ayyar's primary practice is HCA HealthONE Aurora in Aurora, Colorado, part of HCA Healthcare. Dmand AI also links Dr. Ayyar to 3 hospitals and 1 group practice or clinic.

What is Dr. Sandhya C. Ayyar's office phone number?

The practice phone on file for Dr. Ayyar is (303) 873-5511.

What is Dr. Sandhya C. Ayyar's medical license number?

Dr. Ayyar holds Colorado license 46474.

Which hospitals is Dr. Sandhya C. Ayyar affiliated with?

Dr. Ayyar practices at HCA HealthONE Aurora in Aurora, Colorado. Dr. Ayyar is also affiliated with UCHealth Highlands Ranch Hospital. Dmand AI links Dr. Ayyar to 3 more hospitals.

What medical group is Dr. Sandhya C. Ayyar part of?

Dr. Ayyar is linked to Rocky Mountain Infectious Disease Specialists.

Does Dr. Sandhya C. Ayyar accept Medicare?

Yes. CMS data shows Dr. Ayyar billed Medicare for 300,688 services in 2024, and Dr. Ayyar accepts Medicare assignment.

Does Dr. Sandhya C. Ayyar offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ayyar as offering telehealth services.

What is Dr. Sandhya C. Ayyar's MIPS score?

Dr. Ayyar's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.

Show 5 more questionsShow fewer questions

How many Medicare patients does Dr. Sandhya C. Ayyar see?

CMS counts 305 Medicare patients who saw Dr. Ayyar in 2024, with an average age of 75.

What services does Dr. Sandhya C. Ayyar bill to Medicare?

In 2024, Dr. Ayyar's most billed Medicare services were injected or infused drug (J0878), injected or infused drug (J0696) and infusion or chemotherapy administration (96365).

What drugs does Dr. Sandhya C. Ayyar prescribe most?

In 2024 Medicare Part D data, Dr. Ayyar's most prescribed drugs by claims were Doxycycline Hyclate, Cefadroxil and Cefdinir.

Has Dr. Sandhya C. Ayyar received payments from drug or device companies?

CMS Open Payments shows $56 in general payments to Dr. Ayyar from 1 company from 2018 to 2019. The largest total came from Allergan Inc.

How long has Dr. Sandhya C. Ayyar been practicing?

Dr. Ayyar graduated from medical school in 1997, 29 years ago.

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