Crista C. Keller, MD
Internal Medicine Physician · Denver, CO
Crista C. Keller, MD is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1982631131, issued on Jun 26, 2006. Check the license (Colorado 39823, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Crista C. Keller
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 39823 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4500 E 9TH Ave Ste 450, Denver, CO 80220
- Phone
- (303) 394-9355
- Enumerated
- Jun 26, 2006
- Record last updated
- Jan 13, 2022
- Fax
- (303) 388-8564
- Medicaid ID
- 58271040 CO
- Medicare enrollment
- Enrolled (PECOS I20060208000095); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1996
- 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 4500 E 9TH Ave Ste 450
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Krista Bowers, M.D.Internal Medicine Physician1467464453
- Edward Lane, PA-CMedical Physician Assistant1801105077
- Mary Vrabec, M.D.Internal Medicine Physician1447387444
- Megan Watanabe, FNP-CFamily Nurse Practitioner1811341043
Verify Crista C. Keller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 39823Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% more Medicare Part D claims than the average internal medicine physician in 2024
5,620 Medicare Part D claims for 582 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 156 claims were for opioids.
Most prescribed
- Atorvastatin Calcium449 claims
- Amlodipine Besylate403 claims
- Levothyroxine Sodium379 claims
- Rosuvastatin Calcium362 claims
- Lisinopril174 claims
- Valsartan164 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.
Industry payments in 2024: $853.10
42 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Healthone Clinic Services - Primary Care LLCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Crista C. Keller among 2,046 internal medicine physician records in Colorado
Crista C. Keller, 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1996 · median 2006 among the 1,090 with a school on file
- Record last updated2022 · 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 →
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- Thomas Li, MDDenver, CO 802201023005576
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- Michael Metros, MDDenver, CO 802201134186646
Common questions
What is Crista C. Keller, MD's NPI number?
Crista C. Keller, MD's National Provider Identifier (NPI) is 1982631131, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Crista C. Keller, MD located?
The NPPES record lists a practice address at 4500 E 9TH Ave Ste 450, Denver, CO, 80220. Phone: (303) 394-9355. Providers update this record themselves, so call before visiting.
How can I verify Crista C. Keller, MD's license?
NPPES lists Colorado license number 39823, 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 Crista C. Keller, MD prescribe under Medicare Part D?
In 2024, Crista C. Keller, MD had 5,620 Medicare Part D claims for 582 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.