NPPES file of Aug 9, 2026

John Y. Karl, MD

Family Medicine Physician · Myrtle Beach, SC

John Y. Karl, MD is a family medicine physician with a practice address in Myrtle Beach, South Carolina, and NPI 1831196773, issued on Jul 7, 2005. Check the license (South Carolina 23375, as entered in NPPES) on the South Carolina Board of Medical Examiners; 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
1831196773
Name
John Y. Karl
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
23375 SC
Self-reported in NPPES; status is on the state search
Practice location
101 Mcleod Health Blvd Ste 201, Myrtle Beach, SC 29579
Phone
(843) 646-8001
Enumerated
Jul 7, 2005
Record last updated
Mar 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(843) 646-8002
Medicaid ID
GP1053 SC
Medicare enrollment
Enrolled (PECOS I20070212000319); accepts Medicare assignment
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 101 Mcleod Health Blvd Ste 201

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

  1. Alexis Crawley, FNPFamily Nurse Practitioner1306469432
  2. William Gammon, MDFamily Medicine Physician1164419941
  3. Brendan Griesmer, MDInternal Medicine Physician1295767317
  4. Vasiliki Papathanasiou, M.D.Family Medicine Physician1003046889

Verify John Y. Karl in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 23375
    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 South Carolina 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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6.1 times the Medicare Part D claims of the average family medicine physician in 2024

21,752 Medicare Part D claims for 1,426 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 533 claims were for opioids.

  1. John Karl21,752
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium1,209 claims
  2. Rosuvastatin Calcium1,092 claims
  3. Levothyroxine Sodium919 claims
  4. Amlodipine Besylate739 claims
  5. Metoprolol Succinate548 claims
  6. Lisinopril521 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: $1,877.10

96 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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. John Karl$1,877.10
  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 one group practice

  1. Mcleod Regional Medical Center OF The Pee Dee IncMyrtle Beach, SC

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

John Y. Karl among 2,700 family medicine physician records in South Carolina

John Y. Karl, MD is one of 2,700 family medicine physician records with a practice address in South Carolina. 78% 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, 92% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1987 · median 2006 among the 1,638 with a school on file
  • Record last updated2021 · 50% 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 South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

87 family medicine physician records list a practice address in Myrtle Beach

They are 87 of the 2,599 NPPES records with a practice address in Myrtle Beach, and 2,700 family medicine physician records in South Carolina.

The 8 family medicine physician records with the nearest ZIP codes

  1. Alexis Brown, MDMyrtle Beach, SC 295791245670934
  2. Kristen Carr, M.D.Myrtle Beach, SC 295791245466960
  3. Steven Cremer, M.D.Myrtle Beach, SC 295791467428938
  4. William Gammon, MDMyrtle Beach, SC 295791164419941
  5. Jason Harrah, M.D.Myrtle Beach, SC 295791043297419
  6. Robert Kimpton, MDMyrtle Beach, SC 295791407916133
  7. Jeffrey Lindaberry, D.O.Myrtle Beach, SC 295791164414546
  8. Ashley Locklear-Batton, DOMyrtle Beach, SC 295791366882722

Common questions

What is John Y. Karl, MD's NPI number?

John Y. Karl, MD's National Provider Identifier (NPI) is 1831196773, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Y. Karl, MD located?

The NPPES record lists a practice address at 101 Mcleod Health Blvd Ste 201, Myrtle Beach, SC, 29579. Phone: (843) 646-8001. Providers update this record themselves, so call before visiting.

How can I verify John Y. Karl, MD's license?

NPPES lists South Carolina license number 23375, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Y. Karl, MD prescribe under Medicare Part D?

In 2024, John Y. Karl, MD had 21,752 Medicare Part D claims for 1,426 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.