Matthew Zaringhalam, MD
NPI 1558891531 · Internal Medicine Physician · Newington, CT
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Zaringhalam, MD is a Internal Medicine Physician provider in Newington, CT (NPI 1558891531).
Provider details
- NPI number
- 1558891531
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 65117 (CT)
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
9 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
35 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 | 21 | $135 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 14 | $96 |
Typical Medicare-allowed amounts for these services range $96–$135 (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 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 203 | 104 |
| Amlodipine Besylate | 165 | 91 |
| Levothyroxine Sodium | 114 | 66 |
| Rosuvastatin Calcium | 97 | 53 |
| Lisinopril | 86 | 51 |
| Metoprolol Succinate | 70 | 42 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-06-13
- Last updated
- 2024-10-15
- Certified
- 2024-10-15
Frequently asked questions
- What is Matthew Zaringhalam's NPI number?
- Matthew Zaringhalam's National Provider Identifier (NPI) is 1558891531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Zaringhalam's specialty?
- Matthew Zaringhalam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Zaringhalam located?
- Matthew Zaringhalam's practice location on file with NPPES is 555 Willard Ave Dept of, Newington, CT 06111-2631.
- What is Matthew Zaringhalam's phone number?
- The practice phone number listed in the NPPES registry for Matthew Zaringhalam is (860) 666-6951.
- Does Matthew Zaringhalam accept Medicare?
- Matthew Zaringhalam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Zaringhalam's NPI active?
- Yes — Matthew Zaringhalam's NPI (1558891531) is active in the NPPES registry as of the last update on 2024-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.