Charles Class, MD
NPI 1891779922 · Psychiatry Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Class, MD is a Psychiatry Physician provider in Indianapolis, IN (NPI 1891779922).
Provider details
- NPI number
- 1891779922
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 01040062A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
669 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 190 | $71 |
| Therapy Using Electrical Currents90870 | 144 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 116 | $90 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 101 | $107 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $61 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 509 | 38 |
| Ziprasidone Hcl | 344 | 11 |
| Buspirone Hcl | 314 | 21 |
| Risperidone | 305 | 23 |
| Aripiprazole | 301 | 33 |
| Escitalopram Oxalate | 294 | 26 |
| Quetiapine Fumarate | 290 | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$115 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-02
- Last updated
- 2022-06-14
- Certified
- 2022-06-14
Frequently asked questions
- What is Charles Class's NPI number?
- Charles Class's National Provider Identifier (NPI) is 1891779922, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Class's specialty?
- Charles Class is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Class located?
- Charles Class's practice location on file with NPPES is 8401 Harcourt Rd, Indianapolis, IN 46260-2036.
- What is Charles Class's phone number?
- The practice phone number listed in the NPPES registry for Charles Class is (317) 338-4600.
- Does Charles Class accept Medicare?
- Charles Class is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Class's NPI active?
- Yes — Charles Class's NPI (1891779922) is active in the NPPES registry as of the last update on 2022-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.