Dennis Rapa, MD
NPI 1730142761 · Internal Medicine Physician · Natick, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Rapa, MD is a Internal Medicine Physician provider in Natick, MA (NPI 1730142761).
Provider details
- NPI number
- 1730142761
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 44620 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
518 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 | 259 | $140 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 222 | $9 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 23 | $196 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 14 | $140 |
Typical Medicare-allowed amounts for these services range $9–$196 (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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 136 | 32 |
| Levothyroxine Sodium | 126 | 34 |
| Metformin Hcl | 104 | 31 |
| Sitagliptin Phosphatebrand: Januvia | 89 | 15 |
| Semaglutidebrand: Ozempic | 87 | 16 |
| Tirzepatidebrand: Mounjaro | 82 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 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
- 2006-04-10
- Last updated
- 2010-08-09
Frequently asked questions
- What is Dennis Rapa's NPI number?
- Dennis Rapa's National Provider Identifier (NPI) is 1730142761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Rapa's specialty?
- Dennis Rapa is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Rapa located?
- Dennis Rapa's practice location on file with NPPES is 67 Union St, Natick, MA 01760.
- What is Dennis Rapa's phone number?
- The practice phone number listed in the NPPES registry for Dennis Rapa is (508) 665-0073.
- Does Dennis Rapa accept Medicare?
- Dennis Rapa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Rapa's NPI active?
- Yes — Dennis Rapa's NPI (1730142761) is active in the NPPES registry as of the last update on 2010-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.