Margaret Mallari, MD
NPI 1295845535 · Internal Medicine Physician · Berlin, NH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Mallari, MD is a Internal Medicine Physician provider in Berlin, NH (NPI 1295845535).
Provider details
- NPI number
- 1295845535
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 127409 (NH)
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
85 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) |
|---|---|---|
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 44 | $151 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 41 | $106 |
Typical Medicare-allowed amounts for these services range $106–$151 (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 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 172 | 15 |
| Furosemide | 154 | 19 |
| Gabapentin | 136 | 13 |
| Atorvastatin Calcium | 133 | 16 |
| Metoprolol Tartrate | 130 | 12 |
| Sertraline Hcl | 130 | 11 |
| Nystatin | 88 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Mallari's NPI number?
- Margaret Mallari's National Provider Identifier (NPI) is 1295845535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mallari's specialty?
- Margaret Mallari is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Mallari located?
- Margaret Mallari's practice location on file with NPPES is 133 Pleasant St, Berlin, NH 03570-2006.
- What is Margaret Mallari's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mallari is (603) 752-2040.
- Does Margaret Mallari accept Medicare?
- Margaret Mallari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Mallari's NPI active?
- Yes — Margaret Mallari's NPI (1295845535) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.