NPPES file of Aug 9, 2026

Alessandro Testori, MD PHD

Internal Medicine Physician · Longmont, CO

Alessandro Testori, MD PHD is an internal medicine physician with a practice address in Longmont, Colorado, and NPI 1326057050, issued on Aug 5, 2006. Check the license (Colorado 48867, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326057050
Name
Alessandro Testori
Credential
MD PHD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
48867 CO
Self-reported in NPPES; status is on the state search
Practice location
1551 Professional LN Unit 170, Longmont, CO 80501
Phone
(303) 776-0868
Enumerated
Aug 5, 2006
Record last updated
Nov 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(303) 776-0848
Medicaid ID
68533756 CO
Medicare enrollment
Enrolled (PECOS I20211210002272); accepts Medicare assignment
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 1551 Professional LN Unit 170

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

  1. Haley Herman, NPFamily Nurse Practitioner1497625560
  2. Robert Pace, MDAllergy & Immunology (Internal Medicine) Physician1861404220
  3. Shantell Twobears, MDFamily Medicine Physician1588685820

Verify Alessandro Testori in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 48867
    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 Colorado 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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26% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,338 Medicare Part D claims for 209 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Alessandro Testori2,338
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium203 claims
  2. Lisinopril110 claims
  3. Metformin Hcl101 claims
  4. Losartan Potassium86 claims
  5. Levothyroxine Sodium81 claims
  6. Albuterol Sulfate Hfa80 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score65.8
  2. Costout of 100 · 30%59.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Kern County Hospital AuthorityBakersfield, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alessandro Testori among 2,046 internal medicine physician records in Colorado

Alessandro Testori, MD PHD is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2003 · median 2006 among the 1,090 with a school on file
  • Record last updated2019 · 61% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

45 internal medicine physician records list a practice address in Longmont

They are 45 of the 2,381 NPPES records with a practice address in Longmont, and 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Marie Bush, MDLongmont, CO 805011467456889
  2. Laird Cagan, MDLongmont, CO 805011285715532
  3. Wendy CarleLongmont, CO 805011548397508
  4. Reginald Guy, MDLongmont, CO 805011528063849
  5. Peter Holt, MDLongmont, CO 805011104907450
  6. Hartmut Koelsch, MDLongmont, CO 805011881699551
  7. Tana Levine, MDLongmont, CO 805011831161108
  8. Holly Lewis, MDLongmont, CO 805011093896342

Common questions

What is Alessandro Testori, MD PHD's NPI number?

Alessandro Testori, MD PHD's National Provider Identifier (NPI) is 1326057050, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alessandro Testori, MD PHD located?

The NPPES record lists a practice address at 1551 Professional LN Unit 170, Longmont, CO, 80501. Phone: (303) 776-0868. Providers update this record themselves, so call before visiting.

How can I verify Alessandro Testori, MD PHD's license?

NPPES lists Colorado license number 48867, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Alessandro Testori, MD PHD prescribe under Medicare Part D?

In 2024, Alessandro Testori, MD PHD had 2,338 Medicare Part D claims for 209 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Alessandro Testori, MD PHD's MIPS final score?

The 2023 MIPS final score is 85.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.