Gwyn Hadeed, D.O.
NPI 1023438231 · Family Medicine Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gwyn Hadeed, D.O. is a Family Medicine Physician provider in Saint Louis, MO (NPI 1023438231).
Provider details
- NPI number
- 1023438231
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
250 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 92 | $117 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 59 | $170 |
| 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 | 46 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 35 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $87 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 160 | 53 |
| Levothyroxine Sodium | 135 | 50 |
| Losartan Potassium | 85 | 31 |
| Trazodone Hcl | 79 | 24 |
| Omeprazole | 78 | 34 |
| Lisinopril | 76 | 27 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-04-27
- Last updated
- 2022-10-04
- Certified
- 2022-10-04
Frequently asked questions
- What is Gwyn Hadeed's NPI number?
- Gwyn Hadeed's National Provider Identifier (NPI) is 1023438231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwyn Hadeed's specialty?
- Gwyn Hadeed is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gwyn Hadeed located?
- Gwyn Hadeed's practice location on file with NPPES is 401 Holly Hills Ave, Saint Louis, MO 63111-2410.
- What is Gwyn Hadeed's phone number?
- The practice phone number listed in the NPPES registry for Gwyn Hadeed is (314) 353-5190.
- Does Gwyn Hadeed accept Medicare?
- Gwyn Hadeed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gwyn Hadeed's NPI active?
- Yes — Gwyn Hadeed's NPI (1023438231) is active in the NPPES registry as of the last update on 2022-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.