NPPES file of Aug 9, 2026

Patrick S. Callender, DO

Internal Medicine Physician · Columbus, OH

Patrick S. Callender, DO is an internal medicine physician with a practice address in Columbus, Ohio, and NPI 1922006675, issued on Jul 7, 2005. Check the license (Ohio 3400-7319C, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1922006675
Name
Patrick S. Callender
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
3400-7319C OH
Self-reported in NPPES; status is on the state search
Practice location
104 N Murray Hill RD, Columbus, OH 43228
Phone
(614) 878-6413
Enumerated
Jul 7, 2005
Record last updated
Aug 6, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(614) 878-1159
Medicaid ID
2161655 OH
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 104 N Murray Hill RD

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

  1. Zachary GreinerStudent in an Organized Health Care Education/Training Program1548965106
  2. Joshua Hu, DOInternal Medicine Physician1164117412
  3. Jeffrey Kaufman, DOPulmonary Disease Physician1437157088
  4. Gretzel KingInternal Medicine Physician1912990730
  5. Mary Elaine KuoStudent in an Organized Health Care Education/Training Program1972252443
  6. Robert Palma, DOInternal Medicine Physician1437157849

Verify Patrick S. Callender in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 3400-7319C
    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 Ohio 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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2.6 times the Medicare Part D claims of the average internal medicine physician in 2024

8,370 Medicare Part D claims for 544 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 153 claims were for opioids.

  1. Patrick Callender8,370
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium561 claims
  2. Amlodipine Besylate347 claims
  3. Gabapentin318 claims
  4. Albuterol Sulfate Hfa261 claims
  5. Lisinopril237 claims
  6. Losartan Potassium218 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.

Patrick S. Callender among 5,277 internal medicine physician records in Ohio

Patrick S. Callender, DO is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2013 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

580 internal medicine physician records list a practice address in Columbus

They are 580 of the 36,491 NPPES records with a practice address in Columbus, and 5,277 internal medicine physician records in Ohio.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Daniel Burlon, DOColumbus, OH 432281306882634
  2. Douglas Finnie, MDColumbus, OH 432281962488932
  3. Dana Houser, M.D.Columbus, OH 432281982857165
  4. Gretzel KingColumbus, OH 432281912990730
  5. Theresa Luken, M.D.Columbus, OH 432281790763092
  6. Thomas McEldowney, D.O.Columbus, OH 432281760573810
  7. Christie Murphy, D.O.Columbus, OH 432281306953120
  8. Huma Naikoo, M.DColumbus, OH 432281467682468

Common questions

What is Patrick S. Callender, DO's NPI number?

Patrick S. Callender, DO's National Provider Identifier (NPI) is 1922006675, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Patrick S. Callender, DO located?

The NPPES record lists a practice address at 104 N Murray Hill RD, Columbus, OH, 43228. Phone: (614) 878-6413. Providers update this record themselves, so call before visiting.

How can I verify Patrick S. Callender, DO's license?

NPPES lists Ohio license number 3400-7319C, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Patrick S. Callender, DO prescribe under Medicare Part D?

In 2024, Patrick S. Callender, DO had 8,370 Medicare Part D claims for 544 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.