Mallory Toomey
NPI 1093173155 · Family Nurse Practitioner · Chelsea, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mallory Toomey is a Family Nurse Practitioner provider in Chelsea, MA (NPI 1093173155).
Provider details
- NPI number
- 1093173155
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN2298799 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
365 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 139 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 129 | $87 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $59 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 24 | $120 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 15 | $84 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 63 | 33 |
| Amlodipine Besylate | 62 | 29 |
| Atorvastatin Calcium | 61 | 33 |
| Omeprazole | 33 | 19 |
| Metformin Hcl | 28 | 16 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 26 | 13 |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-02-04
- Last updated
- 2023-04-25
- Certified
- 2023-04-25
Frequently asked questions
- What is Mallory Toomey's NPI number?
- Mallory Toomey's National Provider Identifier (NPI) is 1093173155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Toomey's specialty?
- Mallory Toomey is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mallory Toomey located?
- Mallory Toomey's practice location on file with NPPES is 1000 Broadway, Chelsea, MA 02150-2247.
- What is Mallory Toomey's phone number?
- The practice phone number listed in the NPPES registry for Mallory Toomey is (617) 975-6200.
- Does Mallory Toomey accept Medicare?
- Mallory Toomey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mallory Toomey's NPI active?
- Yes — Mallory Toomey's NPI (1093173155) is active in the NPPES registry as of the last update on 2023-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.