NPPES file of Aug 9, 2026

David Song Ko, DO

Family Medicine Physician · Putnam, CT

David Song Ko, DO is a family medicine physician with a practice address in Putnam, Connecticut, and NPI 1356720049, issued on May 27, 2015. Check the license (Connecticut 82804, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356720049
Name
David Song Ko
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
82804 CT
0102205469 VA
OP61443176 WA
Self-reported in NPPES; status is on the state search
Practice location
330 Pomfret St, Putnam, CT 06260
Phone
(860) 928-2736
Enumerated
May 27, 2015
Record last updated
Apr 21, 2026
Medicare enrollment
Enrolled (PECOS I20181231000353); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 330 Pomfret St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joy Arico, APRNFamily Nurse Practitioner1295938520
  2. Nancy Austin, MDFamily Medicine Physician1588656854
  3. Ruth Benet, D.O.Family Medicine Physician1851711329
  4. Arthur Catsam, MDFamily Medicine Physician1700878063
  5. Emily Ferguson, MDFamily Medicine Physician1710989520
  6. Jeffrey Howe, MDFamily Medicine Physician1396737664

Verify David Song Ko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 82804
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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66% fewer Medicare Part D claims than the average family medicine physician in 2024

1,188 Medicare Part D claims for 399 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 74 claims were for opioids.

  1. David Ko1,188
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium78 claims
  2. Lisinopril59 claims
  3. Amlodipine Besylate45 claims
  4. Omeprazole43 claims
  5. Levothyroxine Sodium37 claims
  6. Hydrocodone-Acetaminophen32 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 79.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.7
  2. Costout of 100 · 30%57.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $362.91

7 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Ko$362.91
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Osh-VA Physicians Group PLLCPortsmouth, VA
  2. Prohealth Physicians PCPutnam, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Song Ko among 958 family medicine physician records in Connecticut

David Song Ko, DO is one of 958 family medicine physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 69% of them.

  • NPI issued2015 · 69% of these records are older, 28% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2013 · median 2009 among the 611 with a school on file
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 family medicine physician records list a practice address in Putnam

They are 21 of the 512 NPPES records with a practice address in Putnam, and 958 family medicine physician records in Connecticut.

The 8 family medicine physician records with the nearest ZIP codes

  1. Matthew Amara, D.O.Putnam, CT 062601275588493
  2. Nancy Austin, MDPutnam, CT 062601588656854
  3. Sundaramurthy Balachandran, MDPutnam, CT 062601477638963
  4. Arthur Catsam, MDPutnam, CT 062601700878063
  5. Timothy CooperPutnam, CT 062601003860891
  6. Joseph Creme, M.D.Putnam, CT 062601699745604
  7. Raja Fattaleh, MDPutnam, CT 062601841283439
  8. Emily Ferguson, MDPutnam, CT 062601710989520

Common questions

What is David Song Ko, DO's NPI number?

David Song Ko, DO's National Provider Identifier (NPI) is 1356720049, issued on May 27, 2015. An NPI identifies a provider in billing; it is not a license.

Where is David Song Ko, DO located?

The NPPES record lists a practice address at 330 Pomfret St, Putnam, CT, 06260. Phone: (860) 928-2736. Providers update this record themselves, so call before visiting.

How can I verify David Song Ko, DO's license?

NPPES lists Connecticut license number 82804, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Song Ko, DO prescribe under Medicare Part D?

In 2024, David Song Ko, DO had 1,188 Medicare Part D claims for 399 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is David Song Ko, DO's MIPS final score?

The 2023 MIPS final score is 79.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.