Charles Windon, M.D.
NPI 1720469638 · Internal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Windon, M.D. is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1720469638).
Provider details
- NPI number
- 1720469638
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MT209722 (PA)
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
11 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
147 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 63 | $165 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 | $110 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 24 | $109 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 20 | $211 |
Typical Medicare-allowed amounts for these services range $109–$211 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 166 | 46 |
| Escitalopram Oxalate | 67 | 20 |
| Memantine Hcl | 45 | 13 |
| Rivastigmine | 27 | — |
| Quetiapine Fumarate | 26 | — |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 17 | — |
| Trazodone Hcl | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$140 across 2 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
- 2015-06-16
- Last updated
- 2015-06-16
Frequently asked questions
- What is Charles Windon's NPI number?
- Charles Windon's National Provider Identifier (NPI) is 1720469638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Windon's specialty?
- Charles Windon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Windon located?
- Charles Windon's practice location on file with NPPES is 245 N 15th St Fl 6, Philadelphia, PA 19102-1101.
- What is Charles Windon's phone number?
- The practice phone number listed in the NPPES registry for Charles Windon is (215) 762-7916.
- Does Charles Windon accept Medicare?
- Charles Windon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Windon's NPI active?
- Yes — Charles Windon's NPI (1720469638) is active in the NPPES registry as of the last update on 2015-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.