Spencer Howard Peterson, M.D.
Hospitalist Physician · Denver, CO
Spencer Howard Peterson, M.D. is a hospitalist physician with a practice address in Denver, Colorado, and NPI 1740426048, issued on Dec 17, 2008. Check the license (Colorado 55443, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Spencer Howard Peterson
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 55443 CO
Self-reported in NPPES; status is on the state search - Practice location
- 835 E 18TH Ave Ste 110, Denver, CO 80218
- Phone
- (303) 825-4646
- Enumerated
- Dec 17, 2008
- Record last updated
- Aug 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (303) 825-3215
- Medicare enrollment
- Enrolled (PECOS I20220719003339); accepts Medicare assignment
- Medical or professional school
- Mercer University School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 806 in Colorado → Look up another NPI →
Also registered at 835 E 18TH Ave Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- John Archard, M.D.Hospitalist Physician1245367812
- Michelle Barron, M.D.Hospitalist Physician1861768681
- Yvonne Bodemann, DOInternal Medicine Physician1447665575
- Jeffrey Bontrager, M.D.Pediatric Emergency Medicine (Pediatrics) Physician1508061680
Verify Spencer Howard Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 55443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average hospitalist physician in 2024
65 Medicare Part D claims for 30 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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.
Industry payments in 2024: $308.15
13 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cogent Healthcare OF Georgia PCSavannah, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer Howard Peterson among 806 hospitalist physician records in Colorado
Spencer Howard Peterson, M.D. is one of 806 hospitalist physician records with a practice address in Colorado. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 29% of them.
- NPI issued2008 · 29% of these records are older, 66% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2012 · median 2012 among the 622 with a school on file
- Record last updated2018 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Colorado
There are 806 hospitalist physician records in Colorado.
All 806 in Colorado → Every provider in Denver → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Diogo Bauleth, MDDenver, CO 802181265404685
- Rosalie Chang, MDDenver, CO 802181417929738
- Christy Chaudhuri, MDDenver, CO 802181669414165
- Hunaif Dar, MDDenver, CO 802181598790610
- Ramesh Devanesan, MDDenver, CO 802181124039805
- Michelle Klaus, MDDenver, CO 802181114080389
- Julie McClanahan, MDDenver, CO 802181568419794
- Aram Neuschatz, MDDenver, CO 802181811969199
Common questions
What is Spencer Howard Peterson, M.D.'s NPI number?
Spencer Howard Peterson, M.D.'s National Provider Identifier (NPI) is 1740426048, issued on Dec 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Howard Peterson, M.D. located?
The NPPES record lists a practice address at 835 E 18TH Ave Ste 110, Denver, CO, 80218. Phone: (303) 825-4646. Providers update this record themselves, so call before visiting.
How can I verify Spencer Howard Peterson, M.D.'s license?
NPPES lists Colorado license number 55443, 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 Spencer Howard Peterson, M.D. prescribe under Medicare Part D?
In 2024, Spencer Howard Peterson, M.D. had 65 Medicare Part D claims for 30 beneficiaries; the average among hospitalist physician prescribers was 521. 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.