NPPES file of Aug 9, 2026

John Howard Dewitt, M.D.

Psychiatry Physician · Aiken, SC

John Howard Dewitt, M.D. is a psychiatry physician with a practice address in Aiken, South Carolina, and NPI 1952497653, issued on Oct 4, 2006. Check the license (South Carolina 13334, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952497653
Name
John Howard Dewitt
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
13334 SC
Self-reported in NPPES; status is on the state search
Practice location
33 Varden Drive, Aiken, SC 29803
Phone
(803) 642-3801
Enumerated
Oct 4, 2006
Record last updated
Apr 30, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(803) 642-5538
Medicaid ID
133340 SC
Medicare enrollment
Enrolled (PECOS I20090916000021); accepts Medicare assignment
Medical or professional school
University Of South Carolina School Of Medicine, 1984
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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Verify John Howard Dewitt 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 13334
    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

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96% fewer Medicare Part D claims than the average psychiatry physician in 2024

39 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 46% of claims.

  1. John Dewitt39
  2. Specialty average1,000

Most prescribed

  1. Eliquis14 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 MIPS final score for 2023 (Medicare payment program): 96.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score92.2
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $25,681.10

32 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Dewitt$25,681
  2. Specialty average$4,955

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. Psychiatry OF Texas PLLCAiken, SC

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

John Howard Dewitt among 891 psychiatry physician records in South Carolina

John Howard Dewitt, M.D. is one of 891 psychiatry physician records with a practice address in South Carolina. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 63% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated1984 · median 2007 among the 365 with a school on file
  • Record last updated2015 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in South Carolina

There are 891 psychiatry physician records in South Carolina.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Kasey Broom, MDAiken, SC 298031912522756
  2. Ebele Compean, M.D.Aiken, SC 298031033591979
  3. Grant Deedy, MDAiken, SC 298031932849080
  4. Whitney Evans, DNP, APRN, PMHNP-BCAiken, SC 298031053205617
  5. Reaghan Hicks, M.D.Aiken, SC 298031679969240
  6. Rachael Nelson, M.D.Aiken, SC 298031659484350
  7. David Steiner, M.D.Aiken, SC 298031972508802
  8. Matilde Chaille, MDAiken, SC 298011528265790

Common questions

What is John Howard Dewitt, M.D.'s NPI number?

John Howard Dewitt, M.D.'s National Provider Identifier (NPI) is 1952497653, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Howard Dewitt, M.D. located?

The NPPES record lists a practice address at 33 Varden Drive, Aiken, SC, 29803. Phone: (803) 642-3801. Providers update this record themselves, so call before visiting.

How can I verify John Howard Dewitt, M.D.'s license?

NPPES lists South Carolina license number 13334, 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 Howard Dewitt, M.D. prescribe under Medicare Part D?

In 2024, John Howard Dewitt, M.D. had 39 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.

What is John Howard Dewitt, M.D.'s MIPS final score?

The 2023 MIPS final score is 96.1 of 100. 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.