Gregory Postal, M.D.
NPI 1346449840 · Psychiatry Physician · Charleston, SC
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Postal, M.D. is a Psychiatry Physician provider in Charleston, SC (NPI 1346449840).
Provider details
- NPI number
- 1346449840
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD90508 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
486 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 195 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 193 | $117 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 51 | $68 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $87 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 15 | $185 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sertraline Hcl | 135 | 46 |
| Bupropion Hclbrand: Bupropion Xl | 96 | 24 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 78 | 21 |
| Escitalopram Oxalate | 73 | 21 |
| Duloxetine Hcl | 73 | 23 |
| Prazosin Hcl | 65 | 15 |
| Hydroxyzine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-13
- Last updated
- 2023-09-14
- Certified
- 2023-09-14
Frequently asked questions
- What is Gregory Postal's NPI number?
- Gregory Postal's National Provider Identifier (NPI) is 1346449840, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Postal's specialty?
- Gregory Postal is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Postal located?
- Gregory Postal's practice location on file with NPPES is 67 President St, Charleston, SC 29425-5001.
- What is Gregory Postal's phone number?
- The practice phone number listed in the NPPES registry for Gregory Postal is (843) 792-1414.
- Does Gregory Postal accept Medicare?
- Gregory Postal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Postal's NPI active?
- Yes — Gregory Postal's NPI (1346449840) is active in the NPPES registry as of the last update on 2023-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.