Cynthia Ryan, MD
NPI 1154376804 · Endocrinology, Diabetes & Metabolism Physician · Midlothian, VA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Ryan, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Midlothian, VA (NPI 1154376804).
Provider details
- NPI number
- 1154376804
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101235445 (VA)
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
20 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
4,222 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 637 | $128 |
| Hemoglobin A1c Level83036 | 378 | $10 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 374 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 331 | $13 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 324 | $16 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 295 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 400 | 111 |
| Semaglutidebrand: Ozempic | 250 | 61 |
| Levothyroxine Sodiumbrand: Synthroid | 186 | 52 |
| Metformin Hclbrand: Metformin Hcl Er | 173 | 51 |
| Tirzepatidebrand: Mounjaro | 163 | 37 |
| Metformin Hcl | 134 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$72 across 1 record (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
- 2006-05-23
- Last updated
- 2008-08-19
Frequently asked questions
- What is Cynthia Ryan's NPI number?
- Cynthia Ryan's National Provider Identifier (NPI) is 1154376804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Ryan's specialty?
- Cynthia Ryan is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Ryan located?
- Cynthia Ryan's practice location on file with NPPES is 2384 Colony Crossing Pl, Midlothian, VA 23112-4280.
- What is Cynthia Ryan's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Ryan is (804) 423-3636.
- Does Cynthia Ryan accept Medicare?
- Cynthia Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Ryan's NPI active?
- Yes — Cynthia Ryan's NPI (1154376804) is active in the NPPES registry as of the last update on 2008-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.