Catherine Dennett Spaulding, M.D.
Internal Medicine Physician · Denver, CO
Catherine Dennett Spaulding, M.D. is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1548688997, issued on Apr 2, 2014. Check the license (Colorado DR.0066500, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Catherine Dennett Spaulding
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR.0066500 CO
Self-reported in NPPES; status is on the state search - Practice location
- 360 S Garfield St, Denver, CO 80209
- Phone
- (720) 848-0000
- Enumerated
- Apr 2, 2014
- Record last updated
- Jan 25, 2023
- Medicare enrollment
- Enrolled (PECOS I20210804002439); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 360 S Garfield St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamie Anderson, M.D.Internal Medicine Physician1639324304
- Sean Cowley, D.O.Internal Medicine Physician1689838385
- Reed Fischer, PAMedical Physician Assistant1184175952
- Diana Francu, M.D.Internal Medicine Physician1003827585
- Heidi Matus, MDInternal Medicine Physician1063674851
- Sarah Vanduzer-Moore, M.D.Internal Medicine Physician1548225972
Verify Catherine Dennett Spaulding in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0066500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,251 Medicare Part D claims for 148 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium99 claims
- Atorvastatin Calcium85 claims
- Levothyroxine Sodium79 claims
- Amlodipine Besylate57 claims
- Trazodone Hcl40 claims
- Lisinopril39 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
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Dennett Spaulding among 2,046 internal medicine physician records in Colorado
Catherine Dennett Spaulding, M.D. 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 2014, is newer than 76% of them.
- NPI issued2014 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2014 · median 2006 among the 1,090 with a school on file
- Record last updated2023 · 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).
493 internal medicine physician records list a practice address in Denver
They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Denver → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jamie Anderson, M.D.Denver, CO 802091639324304
- David Cochrane, M.D.Denver, CO 802091053331306
- Sean Cowley, D.O.Denver, CO 802091689838385
- Diana Francu, M.D.Denver, CO 802091003827585
- Phillip Hitchcock, MDDenver, CO 802091679911069
- Allan Hoch, M.D.Denver, CO 802091124293717
- Timothy Hopf, M.D.Denver, CO 802091508877531
- Kevin Lutz, M.D.Denver, CO 802091578562765
Common questions
What is Catherine Dennett Spaulding, M.D.'s NPI number?
Catherine Dennett Spaulding, M.D.'s National Provider Identifier (NPI) is 1548688997, issued on Apr 2, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Dennett Spaulding, M.D. located?
The NPPES record lists a practice address at 360 S Garfield St, Denver, CO, 80209. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.
How can I verify Catherine Dennett Spaulding, M.D.'s license?
NPPES lists Colorado license number DR.0066500, 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 Catherine Dennett Spaulding, M.D. prescribe under Medicare Part D?
In 2024, Catherine Dennett Spaulding, M.D. had 1,251 Medicare Part D claims for 148 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.