Innessa T. Porter, MD
Internal Medicine Physician · Centennial, CO
Innessa T. Porter, MD is an internal medicine physician with a practice address in Centennial, Colorado, and NPI 1649492513, issued on May 2, 2007. Check the license (Colorado 45876, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Innessa T. Porter
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 45876 CO
946186 KS
Self-reported in NPPES; status is on the state search - Practice location
- 5555 E Arapahoe RD, Centennial, CO 80122
- Phone
- (303) 338-4545
- Enumerated
- May 2, 2007
- Record last updated
- Jul 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 66926041 CO
- Medicare enrollment
- Enrolled (PECOS I20090323000431); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 5555 E Arapahoe RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Debbie Andersen, MS, RDRegistered Dietitian1134661937
- Christina AragonSpecialist1134324171
- Kari BednarchikRegistered Nurse1164714960
- Samantha Benning, NPObstetrics & Gynecology Nurse Practitioner1518097377
- Joanna Burch, MDDermatology Physician1144323130
- Kimberly Butler, LPNLicensed Practical Nurse1023208915
Verify Innessa T. Porter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 45876Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average internal medicine physician in 2024
939 Medicare Part D claims for 501 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluticasone Propionate47 claims
- Cefuroxime43 claims
- Alvesco42 claims
- Omeprazole34 claims
- Doxycycline Monohydrate32 claims
- Atorvastatin Calcium27 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
- Colorado Permanente Medical Group PCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Innessa T. Porter among 2,046 internal medicine physician records in Colorado
Innessa T. Porter, 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 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 fileYes · 53% of these records are
- Graduated1993 · median 2006 among the 1,090 with a school on file
- Record last updated2021 · 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.
All 2,046 in Colorado → Every provider in Centennial → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Conway, MDLittleton, CO 801221164415691
- Paul Davidson, MDLittleton, CO 801221760456412
- Andy FineLittleton, CO 801221245261965
- Richard Good, MDLittleton, CO 801221669465183
- Nancy Hooyman, M.D.Littleton, CO 801221952356339
- Kendall Lubeck, MDLittleton, CO 801221427041920
- Melissa Peters, D.O.Centennial, CO 801221609839786
- Karen Ratner, MDLittleton, CO 801221740391739
Common questions
What is Innessa T. Porter, MD's NPI number?
Innessa T. Porter, MD's National Provider Identifier (NPI) is 1649492513, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Innessa T. Porter, MD located?
The NPPES record lists a practice address at 5555 E Arapahoe RD, Centennial, CO, 80122. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Innessa T. Porter, MD's license?
NPPES lists Colorado license number 45876, 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 Innessa T. Porter, MD prescribe under Medicare Part D?
In 2024, Innessa T. Porter, MD had 939 Medicare Part D claims for 501 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.