Mark Guido, M.D,
NPI 1740627496 · Endocrinology, Diabetes & Metabolism Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Guido, M.D, is a Endocrinology, Diabetes & Metabolism Physician provider in Winston Salem, NC (NPI 1740627496).
Provider details
- NPI number
- 1740627496
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D,
- Sex
- Male
- Sole proprietor
- No
- License
- 2016-01628 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,093 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) |
|---|---|---|
| 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 | 406 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 386 | $90 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 170 | $32 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $62 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 43 | $124 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 536 | 132 |
| Tirzepatidebrand: Mounjaro | 274 | 55 |
| Metformin Hclbrand: Metformin Hcl Er | 222 | 76 |
| Semaglutidebrand: Ozempic | 189 | 41 |
| Methimazole | 174 | 49 |
| Insulin Degludecbrand: Tresiba Flextouch U-100 | 153 | 51 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$145 across 4 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)
- 6331 Carmel Rd Ste 102Charlotte, NC 28226-8246Phone: (704) 384-0567Fax: (704) 384-0568
Registry dates
- Enumerated
- 2013-06-03
- Last updated
- 2020-10-26
- Certified
- 2020-09-24
Frequently asked questions
- What is Mark Guido's NPI number?
- Mark Guido's National Provider Identifier (NPI) is 1740627496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Guido's specialty?
- Mark Guido is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Guido located?
- Mark Guido's practice location on file with NPPES is 755 Highland Oaks Dr Ste 201, Winston Salem, NC 27103.
- What is Mark Guido's phone number?
- The practice phone number listed in the NPPES registry for Mark Guido is (336) 765-0020.
- Does Mark Guido accept Medicare?
- Mark Guido is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Guido's NPI active?
- Yes — Mark Guido's NPI (1740627496) is active in the NPPES registry as of the last update on 2020-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.