Spiros Mitsopoulos, MD
NPI 1720034390 · Internal Medicine Physician · Manchester, NH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spiros Mitsopoulos, MD is a Internal Medicine Physician provider in Manchester, NH (NPI 1720034390).
Provider details
- NPI number
- 1720034390
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 7454 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
644 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 281 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 167 | $128 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 131 | $129 |
| Administration of Influenza Virus VaccineG0008 | 65 | $32 |
Typical Medicare-allowed amounts for these services range $32–$129 (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 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 212 | 56 |
| Rosuvastatin Calcium | 189 | 53 |
| Amlodipine Besylate | 145 | 38 |
| Levothyroxine Sodium | 128 | 35 |
| Simvastatin | 127 | 34 |
| Atorvastatin Calcium | 125 | 34 |
| Semaglutidebrand: Ozempic |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$263 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-25
- Last updated
- 2014-09-23
Frequently asked questions
- What is Spiros Mitsopoulos's NPI number?
- Spiros Mitsopoulos's National Provider Identifier (NPI) is 1720034390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spiros Mitsopoulos's specialty?
- Spiros Mitsopoulos is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Spiros Mitsopoulos located?
- Spiros Mitsopoulos's practice location on file with NPPES is 445 Cypress St, Manchester, NH 03103-3600.
- What is Spiros Mitsopoulos's phone number?
- The practice phone number listed in the NPPES registry for Spiros Mitsopoulos is (603) 663-8230.
- Does Spiros Mitsopoulos accept Medicare?
- Spiros Mitsopoulos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spiros Mitsopoulos's NPI active?
- Yes — Spiros Mitsopoulos's NPI (1720034390) is active in the NPPES registry as of the last update on 2014-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.