Cynthia Michel Knowles, DO
NPI 1912991498 · Internal Medicine Physician · Plantation, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Michel Knowles, DO is a Internal Medicine Physician provider in Plantation, FL (NPI 1912991498).
Provider details
- NPI number
- 1912991498
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- OS7539 (FL)
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
394 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 215 | $92 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 66 | $130 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $129 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 27 | $15 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 19 | $9 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 398 | 151 |
| Atorvastatin Calcium | 336 | 133 |
| Rosuvastatin Calcium | 252 | 95 |
| Metformin Hcl | 252 | 91 |
| Levothyroxine Sodium | 241 | 84 |
| Losartan Potassium | 209 | 80 |
| Simvastatin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$117 across 6 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
Registry dates
- Enumerated
- 2005-09-09
- Last updated
- 2013-05-01
Frequently asked questions
- What is Cynthia Michel Knowles's NPI number?
- Cynthia Michel Knowles's National Provider Identifier (NPI) is 1912991498, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Michel Knowles's specialty?
- Cynthia Michel Knowles is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Michel Knowles located?
- Cynthia Michel Knowles's practice location on file with NPPES is 333 Nw 70th Ave, Plantation, FL 33317-2385.
- What is Cynthia Michel Knowles's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Michel Knowles is (954) 382-5208.
- Does Cynthia Michel Knowles accept Medicare?
- Cynthia Michel Knowles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Michel Knowles's NPI active?
- Yes — Cynthia Michel Knowles's NPI (1912991498) is active in the NPPES registry as of the last update on 2013-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.