Constance Alexander, M. D.
NPI 1760493977 · Psychiatry Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Constance Alexander, M. D. is a Psychiatry Physician provider in Charleston, SC (NPI 1760493977).
Provider details
- NPI number
- 1760493977
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 22098 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
599 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 300 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 299 | $117 |
Typical Medicare-allowed amounts for these services range $66–$117 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 189 | 25 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 175 | 17 |
| Trazodone Hcl | 155 | 25 |
| Clonazepam | 152 | 23 |
| Gabapentin | 140 | 22 |
| Alprazolam | 103 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,007 across 108 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
Registry dates
- Enumerated
- 2006-08-11
- Last updated
- 2019-09-25
Frequently asked questions
- What is Constance Alexander's NPI number?
- Constance Alexander's National Provider Identifier (NPI) is 1760493977, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constance Alexander's specialty?
- Constance Alexander is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Constance Alexander located?
- Constance Alexander's practice location on file with NPPES is 1616 Ashley River Rd, Charleston, SC 29407-5902.
- What is Constance Alexander's phone number?
- The practice phone number listed in the NPPES registry for Constance Alexander is (843) 556-8177.
- Does Constance Alexander accept Medicare?
- Constance Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Constance Alexander's NPI active?
- Yes — Constance Alexander's NPI (1760493977) is active in the NPPES registry as of the last update on 2019-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.