Dr. Ananthan Krishnathas, MD

  • South Charleston, WV
  • Internist
NPI1891786554PAC ID6709849086
Medicare services, 2024
555
Medicare patients, 2024
193
Part D claims, 2024
466
MIPS score, 2024
95
Hospital affiliations
1
Practice address
4605 Maccorkle Avenue SW, South Charleston, WV 25309
Practice phone
Call (304) 766-3600
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Thomas Memorial Hospital

Hospital · South Charleston, West Virginia

See all 4 affiliations

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Dr. Ananthan Krishnathas is an internist in South Charleston, West Virginia

Dr. Krishnathas practices at Thomas Memorial Hospital in South Charleston, West Virginia, part of West Virginia University Health System.

Dr. Krishnathas' NPI, 1891786554, was assigned on November 2, 2005. Dr. Krishnathas holds West Virginia license 21702.

NPI and contact details
Medicare PAC ID
6709849086
NPI enumeration date
November 2, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(304) 766-3600
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
63
Medical school graduation
1989

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

Dr. Ananthan Krishnathas practices at Thomas Memorial Hospital in South Charleston, West Virginia

Dr. Krishnathas' primary practice is Thomas Memorial Hospital, at 4605 Maccorkle Avenue SW, South Charleston, WV 25309 in Kanawha County. The practice phone is (304) 766-3600.

Source: Dmand AI Affiliation Data

Dr. Ananthan Krishnathas is affiliated with 1 site of care and 3 medical groups

Dr. Krishnathas' primary practice is Thomas Memorial Hospital in South Charleston, West Virginia, part of West Virginia University Health System. The medical group on file is THS Physician Partners, Inc. Dmand AI also links Dr. Krishnathas to 2 more medical groups, each named with a free account.

See all 4 affiliations for Dr. Krishnathas

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

Dmand AI tracks the EHR system at Dr. Ananthan Krishnathas' practice

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

EHR by site
SiteEHR vendor and product
Thomas Memorial HospitalAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Ananthan Krishnathas is one of 718 internists in West Virginia

Internal medicine is Dr. Krishnathas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Krishnathas is licensed in West Virginia.

Specialties and state licenses

  • Internal medicine, West VirginiaPrimaryLicense 21702 · taxonomy 207R00000X

Internists near Dr. Krishnathas

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. Ananthan Krishnathas billed Medicare for 555 services in 2024

CMS data shows 555 Medicare services from Dr. Krishnathas across 4 procedure codes in 2024, for 193 Medicare patients. Medicare paid $44,723 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024555
Medicare patients193
Paid by Medicare$44,723
Procedure codes4

Dr. Krishnathas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6872024: 55519%

Dr. Krishnathas compared with the West Virginia median for internists, 2024

  • Dr. Krishnathas
  • West Virginia median
Medicare services
555vs 37249% above
Medicare patients
193vs 17510% above
Part D claims
175vs 1929% below

Medians across 682 internists in West Virginia with Dmand AI profiles that report each measure.

Dr. Krishnathas' 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. Krishnathas

Need commercial claims for Dr. Krishnathas?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Krishnathas and other internists in West Virginia.

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

Dr. Ananthan Krishnathas treated 193 Medicare patients in 2024, average age 75

CMS counts 193 Medicare patients who saw Dr. Krishnathas in 2024. The largest group is 75 to 84, with 68 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.22, 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. Krishnathas' median patient age at 72, with 55% women.

Medicare patients, 2024193
Average age75
Average risk score2.22
Also on Medicaid23%

Dr. Krishnathas' Medicare patients by age, 2024

Dr. Krishnathas' Medicare patients by sex, 2024

  • Women10353%
  • Men9047%

Chronic conditions among Dr. Krishnathas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease67%
  4. Arthritis66%
  5. Chronic kidney disease61%
  6. Diabetes58%
  7. Anxiety50%
  8. COPD50%

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

Dr. Krishnathas' patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women55%
  • Men44%

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

Dr. Ananthan Krishnathas wrote 466 Medicare Part D claims in 2024

In 2024, Dr. Krishnathas wrote 466 Medicare Part D claims for 191 patients. 87% of them were for generic drugs. CMS names the drug for 175 of them, across 10 drugs with 11 or more claims each, at $8,744 in total drug cost. In 2023, CMS named 261 claims across 14 drugs.

Part D claims, 2024466
Drugs named by CMS10
Total drug cost$8,744
Part D patients191

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

  • Generic405 claims87%
  • Brand-name61 claims13%

Dr. Krishnathas' 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. Krishnathas' Part D claims, 2024

  • Opioids5%23 of 466 claims
  • Antibiotics17%78 of 466 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: 2612024: 17533%

Drugs named by CMS: 10 in 2024, 14 in 2023.

See all prescribing by Dr. Krishnathas

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. Ananthan Krishnathas scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Krishnathas for performance year 2024, reported through an alternative payment model (APM). Dr. Krishnathas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Krishnathas' MIPS scores, performance year 2024

  • 95of 100Final score
  • 79.9of 100Quality
  • 100of 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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Dr. Ananthan Krishnathas received $3,529 in industry payments from 2016 to 2024

CMS Open Payments shows 142 general payments to Dr. Krishnathas from 22 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,111.

General payments to Dr. Krishnathas by program year, 2016 to 2024

Companies that paid Dr. Krishnathas the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Krishnathas

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

Sources for Dr. Ananthan Krishnathas'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. Ananthan Krishnathas

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. Ananthan Krishnathas' NPI number?

Dr. Ananthan Krishnathas' NPI number is 1891786554. It was assigned on November 2, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Ananthan Krishnathas?

Dr. Ananthan Krishnathas is an internist in South Charleston, West Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Ananthan Krishnathas practice?

Dr. Krishnathas practices at 4605 Maccorkle Avenue SW, South Charleston, WV 25309. Dr. Krishnathas' primary practice is Thomas Memorial Hospital in South Charleston, West Virginia, part of West Virginia University Health System. Dmand AI also links Dr. Krishnathas to 2 medical groups.

What is Dr. Ananthan Krishnathas' office phone number?

The practice phone on file for Dr. Krishnathas is (304) 766-3600.

What is Dr. Ananthan Krishnathas' medical license number?

Dr. Krishnathas holds West Virginia license 21702.

Which hospitals is Dr. Ananthan Krishnathas affiliated with?

Dr. Krishnathas practices at Thomas Memorial Hospital in South Charleston, West Virginia.

What medical group is Dr. Ananthan Krishnathas part of?

Dr. Krishnathas is linked to THS Physician Partners, Inc. Dmand AI links Dr. Krishnathas to 2 more medical groups.

Does Dr. Ananthan Krishnathas accept Medicare?

Yes. CMS data shows Dr. Krishnathas billed Medicare for 555 services in 2024, and Dr. Krishnathas accepts Medicare assignment.

What is Dr. Ananthan Krishnathas' MIPS score?

Dr. Krishnathas' MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Ananthan Krishnathas see?

CMS counts 193 Medicare patients who saw Dr. Krishnathas in 2024, with an average age of 75.

Show 4 more questionsShow fewer questions

What services does Dr. Ananthan Krishnathas bill to Medicare?

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

What drugs does Dr. Ananthan Krishnathas prescribe most?

In 2024 Medicare Part D data, Dr. Krishnathas' most prescribed drugs by claims were Prednisone, Doxycycline Hyclate and Pantoprazole Sodium.

Has Dr. Ananthan Krishnathas received payments from drug or device companies?

CMS Open Payments shows $3,529 in general payments to Dr. Krishnathas from 22 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Ananthan Krishnathas been practicing?

Dr. Krishnathas graduated from medical school in 1989, 37 years ago.

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