Dr. Gnanam Thambi Pillai, MD

  • Miamisburg, OH
  • Internist
NPI1255346730PAC ID0648241406
Medicare services, 2024
908
Medicare patients, 2024
251
Part D claims, 2024
594
MIPS score, 2024
92
Hospital affiliations
4
Practice address
4000 Miamisburg-Centerville Road, Miamisburg, OH 45342
Practice phone
Call (937) 384-8760
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Kettering Health Miamisburg

Hospital · Miamisburg, Ohio

See all 8 affiliations

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Dr. Gnanam Thambi Pillai is an internist in Miamisburg, Ohio

Dr. Thambi Pillai practices at Kettering Health Miamisburg in Miamisburg, Ohio, part of Kettering Adventist Healthcare.

Dr. Thambi Pillai's NPI, 1255346730, was assigned on July 31, 2006. Dr. Thambi Pillai holds Ohio license 35-090192.

NPI and contact details
Medicare PAC ID
0648241406
NPI enumeration date
July 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(937) 384-8760
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

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

Dr. Gnanam Thambi Pillai practices at Kettering Health Miamisburg in Miamisburg, Ohio

Dr. Thambi Pillai's primary practice is Kettering Health Miamisburg, at 4000 Miamisburg-Centerville Road, Miamisburg, OH 45342 in Montgomery County. The practice phone is (937) 384-8760.

Source: Dmand AI Affiliation Data

Dr. Gnanam Thambi Pillai is affiliated with 6 sites of care and 2 medical groups

Dr. Thambi Pillai's primary practice is Kettering Health Miamisburg in Miamisburg, Ohio, part of Kettering Adventist Healthcare. Dr. Thambi Pillai is also affiliated with PAM Health Rehabilitation Hospital of Miamisburg. The medical group on file is South Dayton Acute Care Consultants. Dmand AI also links Dr. Thambi Pillai to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Thambi Pillai

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

Dmand AI tracks the EHR system at Dr. Gnanam Thambi Pillai's practice

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

EHR by site
SiteEHR vendor and product
Kettering Health MiamisburgAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Gnanam Thambi Pillai is one of 4,708 internists in Ohio

Internal medicine is Dr. Thambi Pillai's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thambi Pillai is licensed in Ohio.

Specialties and state licenses

  • Internal medicine, OhioPrimaryLicense 35.090192 · taxonomy 207R00000X

Internists near Dr. Thambi Pillai

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. Gnanam Thambi Pillai billed Medicare for 908 services in 2024

CMS data shows 908 Medicare services from Dr. Thambi Pillai across 4 procedure codes in 2024, for 251 Medicare patients. Medicare paid $78,879 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024908
Medicare patients251
Paid by Medicare$78,879
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 6452024: 90841%

Dr. Thambi Pillai compared with the Ohio median for internists, 2024

  • Dr. Thambi Pillai
  • Ohio median
Medicare services
908vs 48786% above
Medicare patients
251vs 19231% above
Part D claims
327vs 29411% above

Medians across 4,703 internists in Ohio with Dmand AI profiles that report each measure.

Dr. Thambi Pillai'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. Thambi Pillai

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

Dr. Gnanam Thambi Pillai treated 251 Medicare patients in 2024, average age 76

CMS counts 251 Medicare patients who saw Dr. Thambi Pillai in 2024. The largest group is 75 to 84, with 89 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.16, 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. Thambi Pillai's median patient age at 68, with 57% women.

Medicare patients, 2024251
Average age76
Average risk score2.16
Also on Medicaid17%

Dr. Thambi Pillai's Medicare patients by age, 2024

Dr. Thambi Pillai's Medicare patients by sex, 2024

  • Women13755%
  • Men11445%

Chronic conditions among Dr. Thambi Pillai's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis65%
  4. Anxiety55%
  5. Mood disorders55%
  6. Depression54%
  7. Ischemic heart disease54%
  8. Chronic kidney disease53%

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

Dr. Thambi Pillai's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women57%
  • Men41%

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

Dr. Gnanam Thambi Pillai wrote 594 Medicare Part D claims in 2024

In 2024, Dr. Thambi Pillai wrote 594 Medicare Part D claims for 247 patients. 89% of them were for generic drugs. CMS names the drug for 327 of them, across 18 drugs with 11 or more claims each, at $1,937 in total drug cost. In 2023, CMS named 255 claims across 15 drugs.

Part D claims, 2024594
Drugs named by CMS18
Total drug cost$1,937
Part D patients247

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

  • Generic529 claims89%
  • Brand-name and other65 claims11%

Dr. Thambi Pillai'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. Thambi Pillai's Part D claims, 2024

  • Opioids6%33 of 594 claims
  • Antibiotics14%85 of 594 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: 2552024: 32728%

Drugs named by CMS: 18 in 2024, 15 in 2023.

See all prescribing by Dr. Thambi Pillai

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. Gnanam Thambi Pillai scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Thambi Pillai for performance year 2024, reported as part of a group. Dr. Thambi Pillai accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Thambi Pillai's MIPS scores, performance year 2024

  • 92of 100Final score
  • 79.3of 100Quality
  • 94of 100Promoting Interoperability
  • 40of 100Improvement Activities

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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Sources for Dr. Gnanam Thambi Pillai'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)
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. Gnanam Thambi Pillai

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. Gnanam Thambi Pillai's NPI number?

Dr. Gnanam Thambi Pillai's NPI number is 1255346730. It was assigned on July 31, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gnanam Thambi Pillai?

Dr. Gnanam Thambi Pillai is an internist in Miamisburg, Ohio. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Gnanam Thambi Pillai practice?

Dr. Thambi Pillai practices at 4000 Miamisburg-Centerville Road, Miamisburg, OH 45342. Dr. Thambi Pillai's primary practice is Kettering Health Miamisburg in Miamisburg, Ohio, part of Kettering Adventist Healthcare. Dmand AI also links Dr. Thambi Pillai to 2 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Gnanam Thambi Pillai's office phone number?

The practice phone on file for Dr. Thambi Pillai is (937) 384-8760.

What is Dr. Gnanam Thambi Pillai's medical license number?

Dr. Thambi Pillai holds Ohio license 35-090192.

Which hospitals is Dr. Gnanam Thambi Pillai affiliated with?

Dr. Thambi Pillai practices at Kettering Health Miamisburg in Miamisburg, Ohio. Dr. Thambi Pillai is also affiliated with PAM Health Rehabilitation Hospital of Miamisburg. Dmand AI links Dr. Thambi Pillai to 2 more hospitals.

What medical group is Dr. Gnanam Thambi Pillai part of?

Dr. Thambi Pillai is linked to South Dayton Acute Care Consultants. Dmand AI links Dr. Thambi Pillai to 1 more medical group.

Does Dr. Gnanam Thambi Pillai accept Medicare?

Yes. CMS data shows Dr. Thambi Pillai billed Medicare for 908 services in 2024, and Dr. Thambi Pillai accepts Medicare assignment.

What is Dr. Gnanam Thambi Pillai's MIPS score?

Dr. Thambi Pillai's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.

How many Medicare patients does Dr. Gnanam Thambi Pillai see?

CMS counts 251 Medicare patients who saw Dr. Thambi Pillai in 2024, with an average age of 76.

Show 3 more questionsShow fewer questions

What services does Dr. Gnanam Thambi Pillai bill to Medicare?

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

What drugs does Dr. Gnanam Thambi Pillai prescribe most?

In 2024 Medicare Part D data, Dr. Thambi Pillai's most prescribed drugs by claims were Prednisone, Amoxicillin-Clavulanate Potass and Furosemide.

How long has Dr. Gnanam Thambi Pillai been practicing?

Dr. Thambi Pillai graduated from medical school in 1995, 31 years ago.

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