NPPES file of Aug 9, 2026

Melissa L. Perez

Internal Medicine Physician · Littleton, CO

Melissa L. Perez is an internal medicine physician with a practice address in Littleton, Colorado, and NPI 1225172000, issued on Feb 16, 2007. Check the license (Colorado 124348, 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
1225172000
Name
Melissa L. Perez
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
124348 CO
Self-reported in NPPES; status is on the state search
Practice location
5555 E Arapahoe RD, Littleton, CO 80122
Phone
(303) 850-2158
Enumerated
Feb 16, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5555 E Arapahoe RD

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

  1. Juliana AdamsInternal Medicine Physician1063549095
  2. Harriette AduRegistered Nurse1255461190
  3. Kristin Barksdale, RN, BSNPediatrics Physician1548304322
  4. Natalia Bealer, RNDermatology Physician1306976162
  5. Cynthia BrooksRegistered Nurse1194855957
  6. Jennifer ChurchInternal Medicine Physician1831226802

Verify Melissa L. Perez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 124348
    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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Industry payments in 2024: $31.38

1 payment: food and beverage; the largest payer was Medline Industries 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. Melissa Perez$31.38
  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.

Melissa L. Perez among 2,046 internal medicine physician records in Colorado

Melissa L. Perez 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 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 39% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2007 · 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).

60 internal medicine physician records list a practice address in Littleton

They are 60 of the 3,918 NPPES records with a practice address in Littleton, and 2,046 internal medicine physician records in Colorado.

The 8 internal medicine physician records with the nearest ZIP codes

  1. David Conway, MDLittleton, CO 801221164415691
  2. Paul Davidson, MDLittleton, CO 801221760456412
  3. Andy FineLittleton, CO 801221245261965
  4. Richard Good, MDLittleton, CO 801221669465183
  5. Nancy Hooyman, M.D.Littleton, CO 801221952356339
  6. Kendall Lubeck, MDLittleton, CO 801221427041920
  7. Melissa Peters, D.O.Centennial, CO 801221609839786
  8. Karen Ratner, MDLittleton, CO 801221740391739

Common questions

What is Melissa L. Perez's NPI number?

Melissa L. Perez's National Provider Identifier (NPI) is 1225172000, issued on Feb 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Melissa L. Perez located?

The NPPES record lists a practice address at 5555 E Arapahoe RD, Littleton, CO, 80122. Phone: (303) 850-2158. Providers update this record themselves, so call before visiting.

How can I verify Melissa L. Perez's license?

NPPES lists Colorado license number 124348, 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.

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.