Mary Delaney, MD
NPI 1336149228 · Endocrinology, Diabetes & Metabolism Physician · South Weymouth, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Delaney, MD is a Endocrinology, Diabetes & Metabolism Physician provider in South Weymouth, MA (NPI 1336149228).
Provider details
- NPI number
- 1336149228
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 71454 (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 tenure28% of score
20 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
1,659 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 576 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 407 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 218 | $99 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 152 | $141 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 108 | $16 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,045 | 274 |
| Atorvastatin Calcium | 328 | 101 |
| Semaglutidebrand: Ozempic | 248 | 43 |
| Lisinopril | 195 | 47 |
| Levothyroxine Sodiumbrand: Synthroid | 189 | 51 |
| Alendronate Sodium | 189 | 61 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-21
- Last updated
- 2014-03-13
Frequently asked questions
- What is Mary Delaney's NPI number?
- Mary Delaney's National Provider Identifier (NPI) is 1336149228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Delaney's specialty?
- Mary Delaney is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Delaney located?
- Mary Delaney's practice location on file with NPPES is 541 Main St, South Weymouth, MA 02190-1868.
- What is Mary Delaney's phone number?
- The practice phone number listed in the NPPES registry for Mary Delaney is (781) 952-1280.
- Does Mary Delaney accept Medicare?
- Mary Delaney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Delaney's NPI active?
- Yes — Mary Delaney's NPI (1336149228) is active in the NPPES registry as of the last update on 2014-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.