Carolyn Greer, M.D.
NPI 1568458990 · Addiction Medicine (Psychiatry & Neurology) Physician · Fort Wayne, IN
Enrolled with Medicare as Practitioner - Addiction Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Greer, M.D. is a Addiction Medicine (Psychiatry & Neurology) Physician provider in Fort Wayne, IN (NPI 1568458990).
Provider details
- NPI number
- 1568458990
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 01047242 (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 tenure33% of score
21 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 240 | 24 |
| Gabapentin | 55 | — |
| Buspirone Hcl | 55 | 13 |
| Trazodone Hcl | 45 | — |
| Bupropion Hclbrand: Bupropion Xl | 44 | — |
| Mirtazapine | 38 | — |
| Sertraline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$673 across 23 records (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
Additional practice locations (1)
- 2200 Madison SqAnderson, IN 46011-9548Phone: (765) 643-0121Fax: (765) 643-0130
Registry dates
- Enumerated
- 2005-09-21
- Last updated
- 2018-09-05
Frequently asked questions
- What is Carolyn Greer's NPI number?
- Carolyn Greer's National Provider Identifier (NPI) is 1568458990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Greer's specialty?
- Carolyn Greer is listed in the NPPES registry with a primary specialty of Addiction Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Greer located?
- Carolyn Greer's practice location on file with NPPES is 1415 Directors Row, Fort Wayne, IN 46808.
- What is Carolyn Greer's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Greer is (126) 047-1935.
- Does Carolyn Greer accept Medicare?
- Carolyn Greer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Greer's NPI active?
- Yes — Carolyn Greer's NPI (1568458990) is active in the NPPES registry as of the last update on 2018-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.