Carolyn Arnold, MD,
NPI 1093104408 · Family Medicine Physician · South Boston, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carolyn Arnold, MD, is a Family Medicine Physician provider in South Boston, MA (NPI 1093104408).
Provider details
- NPI number
- 1093104408
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD,
- Sex
- Female
- Sole proprietor
- No
- License
- 287303 (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
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
149 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 67 | $102 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $69 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 21 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 18 | $82 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 17 | $124 |
Typical Medicare-allowed amounts for these services range $69–$124 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 88 | 37 |
| Lisinopril | 59 | 23 |
| Amlodipine Besylate | 46 | 22 |
| Metoprolol Succinate | 41 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 38 | 16 |
| Losartan Potassium | 34 | 15 |
Practice location
Mailing address
Additional practice locations (1)
- 1 Boston Medical Center PlDowling 5Boston, MA 02118-2908Phone: (617) 414-4465
Registry dates
- Enumerated
- 2015-01-22
- Last updated
- 2021-07-28
- Certified
- 2021-07-28
Frequently asked questions
- What is Carolyn Arnold's NPI number?
- Carolyn Arnold's National Provider Identifier (NPI) is 1093104408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carolyn Arnold's specialty?
- Carolyn Arnold is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carolyn Arnold located?
- Carolyn Arnold's practice location on file with NPPES is 409 West Broadway, South Boston, MA 02127.
- What is Carolyn Arnold's phone number?
- The practice phone number listed in the NPPES registry for Carolyn Arnold is (617) 269-7500.
- Does Carolyn Arnold accept Medicare?
- Carolyn Arnold is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carolyn Arnold's NPI active?
- Yes — Carolyn Arnold's NPI (1093104408) is active in the NPPES registry as of the last update on 2021-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.