NPPES file of Aug 9, 2026

Carah Bernice Santos, MD

Allergy & Immunology Physician · Denver, CO

Carah Bernice Santos, MD is an allergy & immunology physician with a practice address in Denver, Colorado, and NPI 1093941593, issued on Jun 10, 2009. Check the license (Colorado 51162, 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
1093941593
Name
Carah Bernice Santos
Credential
MD
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License numbers
51162 CO
MD20146 ME
Self-reported in NPPES; status is on the state search
Practice location
1400 Jackson St, Denver, CO 80206
Phone
(303) 398-4461
Enumerated
Jun 10, 2009
Record last updated
Nov 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(303) 270-2206
Medicaid ID
59675331 CO
Medicare enrollment
Enrolled (PECOS I20230419002143); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2009
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 1400 Jackson St

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

  1. Ronya Ajeel, APN-CRNACertified Registered Nurse Anesthetist1184279044
  2. Akrum Al-Zubaidi, D.O.Pulmonary Disease Physician1649426222
  3. Rafeul Alam, MDAllergy & Immunology Physician1790730687
  4. Jon Allison, PACMedical Physician Assistant1609812668
  5. Vivianne Allsop, MDRheumatology Physician1215499603
  6. Mark Aloia, MDPsychiatry Physician1295842607

Verify Carah Bernice Santos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 51162
    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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48% fewer Medicare Part D claims than the average allergy & immunology physician in 2024

383 Medicare Part D claims for 136 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Carah Santos383
  2. Specialty average741

Most prescribed

  1. Azelastine Hcl96 claims
  2. Fluticasone Propionate65 claims
  3. Breyna33 claims
  4. Albuterol Sulfate Hfa18 claims
  5. Ipratropium Bromide17 claims
  6. Dupixent Pen14 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. Permanente Medical Group IncRancho Cordova, CA

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

Carah Bernice Santos among 102 allergy & immunology physician records in Colorado

Carah Bernice Santos, MD is one of 102 allergy & immunology physician records with a practice address in Colorado. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 67% of them.

  • NPI issued2009 · 67% of these records are older, 30% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2009 · median 2006 among the 55 with a school on file
  • Record last updated2020 · 72% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Colorado

There are 102 allergy & immunology physician records in Colorado.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Rafeul Alam, MDDenver, CO 802061790730687
  2. Donna Bratton, MDDenver, CO 802061972536910
  3. Christine Cho, MDDenver, CO 802061144494196
  4. Ronina Covar, MDDenver, CO 802061477643229
  5. Rohit Katial, MDDenver, CO 802061750463303
  6. Bruce Lanser, MDDenver, CO 802061427299379
  7. Donald Leung, MDDenver, CO 802061215012950
  8. Harold Nelson, MDDenver, CO 802061104916873

Common questions

What is Carah Bernice Santos, MD's NPI number?

Carah Bernice Santos, MD's National Provider Identifier (NPI) is 1093941593, issued on Jun 10, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Carah Bernice Santos, MD located?

The NPPES record lists a practice address at 1400 Jackson St, Denver, CO, 80206. Phone: (303) 398-4461. Providers update this record themselves, so call before visiting.

How can I verify Carah Bernice Santos, MD's license?

NPPES lists Colorado license number 51162, 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 Carah Bernice Santos, MD prescribe under Medicare Part D?

In 2024, Carah Bernice Santos, MD had 383 Medicare Part D claims for 136 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.