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DR. JOHN HOWARD DEWITT M.D.
NPI 1952497653
Psychiatry & Neurology - Psychiatry in Aiken, SC

Active since October 04, 2006PECOS EnrolledAccepts Medicare Assignment
96.08/100
CMS Quality Rating
33 VARDEN DRIVE, AIKEN, SC 29803(803) 642-3801(803) 642-5538 Get Directions Write a Review

NPPES record last updated: April 30, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. John Howard Dewitt M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN HOWARD DEWITT M.D. (NPI 1952497653) is an individual psychiatry provider in Aiken, South Carolina, licensed in South Carolina (13334) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of South Carolina School Of Medicine (1984).

NPPES Registry Identity

NPI1952497653
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JOHN HOWARD DEWITTCredential: M.D.
Location Address33 VARDEN DRIVEAiken, SC 29803
Mailing Address33 Varden DriveAiken, SC 29803 · (803) 642-3801 · Fax (803) 642-5538
Phone(803) 642-3801
Fax(803) 642-5538
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 1984
Enumeration DateOctober 4, 2006
Last NPPES UpdateApril 30, 2015
✔ NPI 1952497653 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in SC · 13334
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
33 VARDEN DRIVE, Aiken, SC 29803
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Other Identifiers 4

Medicaid133340SC
Other260027817SC · Rr Medicare Id
Medicare UPINB91696SC
Medicare ID-Type UnspecifiedB916962413SC · Medicare Id

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Howard Dewitt M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971659947
PECOS Enrollment IDI20090916000021
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

6

Medicare enrollment records show John Dewitt reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aiken Regional Medical Centers LLC
2.9 mi
Pediatrics
60 PHYSICIAN DR
Aiken, SC 29801
  • Reassigned Medicare billing, South Carolina enrollment
  • 59 clinicians in this Medicare group
NPI 1295743631 (803) 641-5000
Beaufort County Memorial Hospital
64 mi
Specialist
BEAUFORT MEMORIAL SURGICAL SPECIALISTS, 1000 PINE STREET
Varnville, SC 29944
  • Reassigned Medicare billing, South Carolina enrollment
  • 113 clinicians in this Medicare group
NPI 1366676769 (842) 524-8171
South Carolina United Psych LLC
94 mi
Psychiatry
221 ADLEY WAY
Greenville, SC 29607
  • Reassigned Medicare billing, South Carolina enrollment
  • 34 clinicians in this Medicare group
NPI 1942164157 (832) 869-4818
Uhs Of Greenville, LLC
96 mi
Psychiatric Hospital
2700 E PHILLIPS RD
Greer, SC 29650
  • Reassigned Medicare billing, South Carolina enrollment
  • 14 clinicians in this Medicare group
NPI 1881664407 (864) 235-2335
Psychiatry Of Texas PLLC
848 mi
Psychiatry
7877 WILLOW CHASE BLVD
Houston, TX 77070
  • Reassigned Medicare billing, South Carolina enrollment
  • 46 clinicians in this Medicare group
NPI 1013476027 (832) 869-4818
Psychplus Medical Associates, PLLC
848 mi
Family Medicine
7877 WILLOW CHASE BLVD
Houston, TX 77070
  • Reassigned Medicare billing, South Carolina enrollment
  • 45 clinicians in this Medicare group
NPI 1558118026 (832) 869-4818

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29803 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$163.84 typical visit price
range $53.57 – $163.84
Typical copayment $40.96 (range $13.39 – $40.96)
Most-billed visit code 99205
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

96.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality92.17
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
95%2,277 patients4/55-star benchmark: 99%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%35 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
93%504 patients4/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
61%504 patients3/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
24%504 patients2/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
43%504 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Dewitt's NPI number?

The NPI number for John Dewitt is 1952497653. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Where is John Dewitt located?

John Dewitt practices at 33 Varden Drive, Aiken, SC 29803. The listed phone number is (803) 642-3801.

What is John Dewitt's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is John Dewitt enrolled in Medicare?

Yes. John Dewitt is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for John Dewitt's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Dewitt reassigns Medicare benefits to 6 organizations: Aiken Regional Medical Centers LLC (Aiken, SC), Beaufort County Memorial Hospital (Varnville, SC), South Carolina United Psych LLC (Greenville, SC), Uhs Of Greenville, LLC (Greer, SC), Psychiatry Of Texas PLLC (Houston, TX) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Dewitt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does John Dewitt accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list John Dewitt as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Dewitt was last updated on April 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.