NPPES file of Aug 9, 2026

John Alfred Cowan, M.D.

Neurological Surgery Physician · Rome, GA

John Alfred Cowan, M.D. is a neurological surgery physician with a practice address in Rome, Georgia, and NPI 1588786669, issued on Apr 6, 2007. Check the license (Georgia 060167, as entered in NPPES) on the Georgia Composite Medical 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
1588786669
Name
John Alfred Cowan
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License number
060167 GA
Self-reported in NPPES; status is on the state search
Practice location
15 John Maddox Dr NW, Rome, GA 30165
Phone
(706) 368-8550
Enumerated
Apr 6, 2007
Record last updated
Sep 5, 2023
Fax
(706) 236-7473
Medicare enrollment
Enrolled (PECOS I20080602000141); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2001
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 15 John Maddox Dr NW

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

  1. Chrystin Beers, PA-CPhysician Assistant1235565391
  2. Derek Christensen, PA-CPhysician Assistant1821473604
  3. Angela Ewing, PA-CPhysician Assistant1801885942
  4. Jason Harrison, MDNeurological Surgery Physician1245467604
  5. Zachary Jones, PA-CPhysician Assistant1861021552
  6. Lydia Kaoutzani, MDNeurological Surgery Physician1508387499

Verify John Alfred Cowan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 060167
    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 Georgia license search

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5.9 times the Medicare Part D claims of the average neurological surgery physician in 2024

1,021 Medicare Part D claims for 394 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 1% of claims. 340 claims were for opioids.

  1. John Cowan1,021
  2. Specialty average172

Most prescribed

  1. Hydrocodone-Acetaminophen242 claims
  2. Tizanidine Hcl178 claims
  3. Methocarbamol127 claims
  4. Gabapentin93 claims
  5. Diazepam86 claims
  6. Oxycodone-Acetaminophen51 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): 83.1 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 score68.9
  2. Costout of 100 · 30%69.6
  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: $590,900.91

16 payments; by number, the most common kind was royalty or license; the largest payer was Medtronic, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Cowan$590,901
  2. Specialty average$14,926

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

Bills Medicare through one group practice

  1. Adventist Health System Georgia IncRome, GA

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

Neurological Surgery Physician providers in Georgia

There are 219 neurological surgery physician records in Georgia.

Other neurological surgery physician records in Georgia

  1. Robert Abramson, MDAugusta, GA1871545590
  2. David Adamson, MD, PHD, MPHAtlanta, GA1154413011
  3. Folorunso Akintobi, MD FICSDuluth, GA1295908002
  4. Muhammad Ali, M.D.Augusta, GA1194162834
  5. Cargill Alleyne, MDAugusta, GA1700995925
  6. Abdulaziz Almubarak, MBBSAugusta, GA1710556576
  7. Michael Amaral, MDLawrenceville, GA1477587756
  8. Kevin Ammar, MDSavannah, GA1023123932
  9. Kwame AmponsahMacon, GA1578731121
  10. Travis AtchleyAtlanta, GA1326544909

Common questions

What is John Alfred Cowan, M.D.'s NPI number?

John Alfred Cowan, M.D.'s National Provider Identifier (NPI) is 1588786669, issued on Apr 6, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Alfred Cowan, M.D. located?

The NPPES record lists a practice address at 15 John Maddox Dr NW, Rome, GA, 30165. Phone: (706) 368-8550. Providers update this record themselves, so call before visiting.

How can I verify John Alfred Cowan, M.D.'s license?

NPPES lists Georgia license number 060167, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Alfred Cowan, M.D. prescribe under Medicare Part D?

In 2024, John Alfred Cowan, M.D. had 1,021 Medicare Part D claims for 394 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

What is John Alfred Cowan, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.1 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.