NPPES file of Aug 9, 2026

Masumi Arakane Mancero, MD

Internal Medicine Physician · Fort Collins, CO

Masumi Arakane Mancero, MD is an internal medicine physician with a practice address in Fort Collins, Colorado, and NPI 1356781959, issued on Jun 27, 2013. Check the license (Colorado DR.0060715, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356781959
Name
Masumi Arakane Mancero
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
DR.0060715 CO
MD-43331 IA
R-9609 IA
Self-reported in NPPES; status is on the state search
Practice location
2637 Midpoint Dr Ste B, Fort Collins, CO 80525
Phone
(970) 488-1666
Enumerated
Jun 27, 2013
Record last updated
Nov 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180913002113); 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 2637 Midpoint Dr Ste B

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

  1. William Austin, D.O.Hospitalist Physician1972573954
  2. Kelly Buisseret, MDHospitalist Physician1265669139
  3. Morgan ClineHospitalist Physician1154740892
  4. Victoria Clipsham, MDHospitalist Physician1164408811
  5. Jaime Dennehy, M.D.Internal Medicine Physician1750760005
  6. Jay Dennehy, M.D.Internal Medicine Physician1669851911

Verify Masumi Arakane Mancero in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0060715
    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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92% fewer Medicare Part D claims than the average internal medicine physician in 2024

261 Medicare Part D claims for 85 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Masumi Arakane Mancero261
  2. Specialty average3,176

Most prescribed

  1. Oxycodone Hcl16 claims
  2. Metoprolol Succinate14 claims
  3. Gabapentin11 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.

Bills Medicare through one group practice

  1. Northern Colorado Hospitalists Professional LLCFort Collins, CO

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

Masumi Arakane Mancero among 2,046 internal medicine physician records in Colorado

Masumi Arakane Mancero, MD 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 2013, is newer than 74% of them.

  • NPI issued2013 · 74% of these records are older, 24% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2011 · 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).

Internal Medicine Physician providers in Colorado

There are 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Cephus Daniel Allin, MDFort Collins, CO 805251255806394
  2. Lance Barker, D.O.Fort Collins, CO 805251518050301
  3. Amanda Bowden, MDFort Collins, CO 805251194221457
  4. Jaime Dennehy, M.D.Fort Collins, CO 805251750760005
  5. Jay Dennehy, M.D.Fort Collins, CO 805251669851911
  6. Xavier Herrera, MDFort Collins, CO 805251912994526
  7. Erin Koenig, M.D.Fort Collins, CO 805251619339116
  8. Elizabeth Michell, M.D.Fort Collins, CO 805251528407749

Common questions

What is Masumi Arakane Mancero, MD's NPI number?

Masumi Arakane Mancero, MD's National Provider Identifier (NPI) is 1356781959, issued on Jun 27, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Masumi Arakane Mancero, MD located?

The NPPES record lists a practice address at 2637 Midpoint Dr Ste B, Fort Collins, CO, 80525. Phone: (970) 488-1666. Providers update this record themselves, so call before visiting.

How can I verify Masumi Arakane Mancero, MD's license?

NPPES lists Colorado license number DR.0060715, 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 Masumi Arakane Mancero, MD prescribe under Medicare Part D?

In 2024, Masumi Arakane Mancero, MD had 261 Medicare Part D claims for 85 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.