Registry data as of Aug 27, 2026

Daniel Co, MD

Internal Medicine Physician · Lockport, IL

Daniel Co, MD is an internal medicine physician with a practice address in Lockport, Illinois, and NPI 1609858547, issued on Nov 16, 2005. Check the license (Illinois 036087966, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1609858547
Name
Daniel Co
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036087966 IL
Self-reported in NPPES; status is on the state search
Practice location
300 Read St, Lockport, IL 60441
Phone
(815) 838-7965
Enumerated
Nov 16, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 300 Read St

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

  1. Muhammad Anwar, M.D.Internal Medicine Physician1568485084
  2. Maria Christine Bayang, M.D.Pediatrics Physician1275515827
  3. Erin Beavers, APN, CPNPRegistered Nurse1104229590
  4. Ashley Delnegro, LMTMassage Therapist1639022320
  5. Joseph Karcavich, MDFamily Medicine Physician1659377844
  6. Muhammed Longi, M.D.Pediatric Adolescent Medicine Physician1801833272

Verify Daniel Co in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036087966
    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 Illinois 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.

3.0 times the Medicare Part D claims of the average internal medicine physician in 2024

8,293 Medicare Part D claims for 557 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 144 claims were for opioids.

  1. Daniel Co8,293
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium575 claims
  2. Amlodipine Besylate485 claims
  3. Levothyroxine Sodium381 claims
  4. Lisinopril373 claims
  5. Metoprolol Succinate290 claims
  6. Metformin Hcl Er289 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.

Industry payments in 2024: $592.88

25 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Daniel Co$592.88
  2. Specialty average$2,536.66

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

One hospital or facility affiliation

  1. Health Service Systems, IncLemont, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Internal Medicine Physician providers in Illinois

There are 8,522 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Pamela Abadi, D.O.Winfield, IL1588820179
  3. Motaz Abas, MDPeoria, IL1215510201
  4. Elias Abate, M.D.Chicago, IL1336712199
  5. Maliha Abbas, D.O.Chicago, IL1174963920
  6. Zareena Abbas, MDChicago, IL1427078872
  7. Abu Abbasi, MDChicago, IL1083243877
  8. Ayesha Abbasi, MDChicago, IL1376216705
  9. Khalda Abbasi, MDNaperville, IL1487705240
  10. Misha Abbasi, MDChicago, IL1770111635

Common questions

What is Daniel Co, MD's NPI number?

Daniel Co, MD's National Provider Identifier (NPI) is 1609858547, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Daniel Co, MD located?

The NPPES record lists a practice address at 300 Read St, Lockport, IL, 60441. Phone: (815) 838-7965. Providers update this record themselves, so call before visiting.

How can I verify Daniel Co, MD's license?

NPPES lists Illinois license number 036087966, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Daniel Co, MD prescribe under Medicare Part D?

In 2024, Daniel Co, MD had 8,293 Medicare Part D claims for 557 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.