Charles Mcinnis, M.D.
NPI 1346343969 · Internal Medicine Physician · Westwood, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Mcinnis, M.D. is a Internal Medicine Physician provider in Westwood, MA (NPI 1346343969).
Provider details
- NPI number
- 1346343969
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 56701 (MA)
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
306 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) |
|---|---|---|
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 188 | $99 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 66 | $139 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 30 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $99 |
Typical Medicare-allowed amounts for these services range $99–$140 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 163 | 16 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 64 | — |
| Buprenorphine Hcl | 44 | — |
| Gabapentin | 37 | — |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 15 | — |
| Alprazolam |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-07
- Last updated
- 2013-11-07
Frequently asked questions
- What is Charles Mcinnis's NPI number?
- Charles Mcinnis's National Provider Identifier (NPI) is 1346343969, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Mcinnis's specialty?
- Charles Mcinnis is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Mcinnis located?
- Charles Mcinnis's practice location on file with NPPES is 541 High Street, Westwood, MA 02090.
- What is Charles Mcinnis's phone number?
- The practice phone number listed in the NPPES registry for Charles Mcinnis is (781) 326-1128.
- Does Charles Mcinnis accept Medicare?
- Charles Mcinnis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Mcinnis's NPI active?
- Yes — Charles Mcinnis's NPI (1346343969) is active in the NPPES registry as of the last update on 2013-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.