Craig Speiser, D.O.
NPI 1689602856 · Endocrinology, Diabetes & Metabolism Physician · Concord, NC
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Craig Speiser, D.O. is a Endocrinology, Diabetes & Metabolism Physician provider in Concord, NC (NPI 1689602856).
Provider details
- NPI number
- 1689602856
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 200501914 (NC)
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
19 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
798 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 | 382 | $119 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 117 | $13 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 99 | $31 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 74 | $74 |
| Hemoglobin A1c Level83036 | 38 | $10 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 890 | 212 |
| Metformin Hclbrand: Metformin Hcl Er | 315 | 82 |
| Semaglutidebrand: Ozempic | 251 | 53 |
| Dulaglutidebrand: Trulicity | 217 | 46 |
| Alendronate Sodium | 204 | 56 |
| Insulin Aspartbrand: Novolog Flexpen | 173 | 47 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-28
- Last updated
- 2014-03-25
Frequently asked questions
- What is Craig Speiser's NPI number?
- Craig Speiser's National Provider Identifier (NPI) is 1689602856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Craig Speiser's specialty?
- Craig Speiser is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Craig Speiser located?
- Craig Speiser's practice location on file with NPPES is 1085 Ne Gateway Ct Ne, Concord, NC 28025-2406.
- What is Craig Speiser's phone number?
- The practice phone number listed in the NPPES registry for Craig Speiser is (704) 403-8320.
- Does Craig Speiser accept Medicare?
- Craig Speiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Craig Speiser's NPI active?
- Yes — Craig Speiser's NPI (1689602856) is active in the NPPES registry as of the last update on 2014-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.