NPPES file of Aug 9, 2026

Caitlan Maura Ratterman, M.D.

Emergency Medicine Physician · Littleton, CO

Caitlan Maura Ratterman, M.D. is an emergency medicine physician with a practice address in Littleton, Colorado, and NPI 1811333982, issued on May 16, 2013. Check the license (Colorado DR0058076, 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
1811333982
Name
Caitlan Maura Ratterman
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
DR0058076 CO
DR.0058076 CO
Self-reported in NPPES; status is on the state search
Practice location
9670 W. Coal Mine Ave. Suite 100, Littleton, CO 80123
Phone
(303) 725-5010
Enumerated
May 16, 2013
Record last updated
May 14, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(212) 263-6826
Medicare enrollment
Enrolled (PECOS I20170822003148); 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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Verify Caitlan Maura Ratterman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR0058076
    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

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17% more Medicare Part D claims than the average emergency medicine physician in 2024

265 Medicare Part D claims for 174 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Caitlan Ratterman265
  2. Specialty average226

Most prescribed

  1. Cephalexin18 claims
  2. Amoxicillin-Clavulanate Potass17 claims
  3. Prednisone17 claims
  4. Albuterol Sulfate Hfa11 claims
  5. Azithromycin11 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. Usacs Community Emergency Services OF Colorado Inc.Denver, CO

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

Caitlan Maura Ratterman among 1,434 emergency medicine physician records in Colorado

Caitlan Maura Ratterman, M.D. is one of 1,434 emergency medicine physician records with a practice address in Colorado. 77% 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 73% of them.

  • NPI issued2013 · 73% of these records are older, 23% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2013 · median 2011 among the 810 with a school on file
  • Record last updated2019 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

53 emergency medicine physician records list a practice address in Littleton

They are 53 of the 3,918 NPPES records with a practice address in Littleton, and 1,434 emergency medicine physician records in Colorado.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Gerard AshbeckLone Tree, CO 801241043293756
  2. Melanie Baughn, DOLone Tree, CO 801241477531291
  3. Taleesha Becker, M.D.Littleton, CO 801221497168710
  4. Andrew Bellino, M.D.Littleton, CO 801221366806333
  5. Eric BratzLone Tree, CO 801241134102759
  6. Natalie Brewster, M.D.Lone Tree, CO 801241063730513
  7. Jimmy Brown, MDLittleton, CO 801221255908786
  8. Louise Colo, MDLittleton, CO 801221609403823

Common questions

What is Caitlan Maura Ratterman, M.D.'s NPI number?

Caitlan Maura Ratterman, M.D.'s National Provider Identifier (NPI) is 1811333982, issued on May 16, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Caitlan Maura Ratterman, M.D. located?

The NPPES record lists a practice address at 9670 W. Coal Mine Ave. Suite 100, Littleton, CO, 80123. Phone: (303) 725-5010. Providers update this record themselves, so call before visiting.

How can I verify Caitlan Maura Ratterman, M.D.'s license?

NPPES lists Colorado license number DR0058076, 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 Caitlan Maura Ratterman, M.D. prescribe under Medicare Part D?

In 2024, Caitlan Maura Ratterman, M.D. had 265 Medicare Part D claims for 174 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.