NPPES file of Aug 9, 2026

Spiros Mitsopoulos, MD

Internal Medicine Physician · Manchester, NH

Spiros Mitsopoulos, MD is an internal medicine physician with a practice address in Manchester, New Hampshire, and NPI 1720034390, issued on May 25, 2006. Check the license (New Hampshire 7454, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1720034390
Name
Spiros Mitsopoulos
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
7454 NH
Self-reported in NPPES; status is on the state search
Practice location
445 Cypress St, Manchester, NH 03103
Phone
(603) 663-8230
Enumerated
May 25, 2006
Record last updated
Sep 23, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(603) 663-8239
Medicare enrollment
Enrolled (PECOS I20050203000107); accepts Medicare assignment
Medical or professional school
Geisel School Of Medicine At Dartmouth, 1984
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 445 Cypress St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melissa Alder, LICSWClinical Social Worker1609198670
  2. Linda Bagshaw, LCMHCMental Health Counselor1376502716
  3. Sarah Bemish, APRNPsychiatric/Mental Health Nurse Practitioner1578041117
  4. Elizabeth Chase, MDInternal Medicine Physician1255329157
  5. Shannon CollinsMental Health Counselor1902565146
  6. Tracey Coulon, LICSWClinical Social Worker1427171842

Verify Spiros Mitsopoulos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Hampshire Board of Medicine
    Search for license 7454
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Hampshire license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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13% more Medicare Part D claims than the average internal medicine physician in 2024

3,598 Medicare Part D claims for 195 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 25 claims were for opioids.

  1. Spiros Mitsopoulos3,598
  2. Specialty average3,176

Most prescribed

  1. Lisinopril212 claims
  2. Rosuvastatin Calcium189 claims
  3. Amlodipine Besylate145 claims
  4. Levothyroxine Sodium128 claims
  5. Simvastatin127 claims
  6. Atorvastatin Calcium125 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $263.07

15 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Spiros Mitsopoulos$263.07
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Spiros Mitsopoulos among 673 internal medicine physician records in New Hampshire

Spiros Mitsopoulos, MD is one of 673 internal medicine physician records with a practice address in New Hampshire. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 50% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1984 · median 2005 among the 443 with a school on file
  • Record last updated2014 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

95 internal medicine physician records list a practice address in Manchester

They are 95 of the 4,401 NPPES records with a practice address in Manchester, and 673 internal medicine physician records in New Hampshire.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jonathan Briggs, MDManchester, NH 031031194798553
  2. Elizabeth Chase, MDManchester, NH 031031255329157
  3. Robert Fitzgerald, MDManchester, NH 031031992796957
  4. Timothy French, M.D.Manchester, NH 031031487618567
  5. Angel Honor, M.D.Manchester, NH 031031467408500
  6. Neil Markwith, M.D.Manchester, NH 031031982696647
  7. Todd Mellish, DOManchester, NH 031031255380044
  8. Gunjan Panesar, M.D.Manchester, NH 031031942278544

Common questions

What is Spiros Mitsopoulos, MD's NPI number?

Spiros Mitsopoulos, MD's National Provider Identifier (NPI) is 1720034390, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Spiros Mitsopoulos, MD located?

The NPPES record lists a practice address at 445 Cypress St, Manchester, NH, 03103. Phone: (603) 663-8230. Providers update this record themselves, so call before visiting.

How can I verify Spiros Mitsopoulos, MD's license?

NPPES lists New Hampshire license number 7454, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Spiros Mitsopoulos, MD prescribe under Medicare Part D?

In 2024, Spiros Mitsopoulos, MD had 3,598 Medicare Part D claims for 195 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.