Brett Nilsson Ahlberg, DO
Hospitalist Physician · Greenwood Village, CO
Brett Nilsson Ahlberg, DO is a hospitalist physician with a practice address in Greenwood Village, Colorado, and NPI 1235635004, issued on Apr 2, 2018. Check the license (Colorado 0065829, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brett Nilsson Ahlberg
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 0065829 CO
Self-reported in NPPES; status is on the state search - Practice location
- 7100 E Belleview Ave Ste G10, Greenwood Village, CO 80111
- Phone
- (303) 745-0000
- Enumerated
- Apr 2, 2018
- Record last updated
- Jun 14, 2024
- Fax
- (303) 773-3675
- Medicare enrollment
- Enrolled (PECOS I20210427002393); accepts Medicare assignment
- Medical or professional school
- Rocky Vista University College Of Osteopathic Med, 2018
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 806 in Colorado → Look up another NPI →
Also registered at 7100 E Belleview Ave Ste G10
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brett Nilsson Ahlberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 0065829Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average hospitalist physician in 2024
209 Medicare Part D claims for 101 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 11 claims were for opioids.
Most prescribed
- Cefdinir14 claims
- Furosemide12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 77.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $20.18
1 payment: food and beverage; the largest payer was Pfizer Inc. 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
- Critical Care And Pulmonary Consultants, P.C.Greenwood Village, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brett Nilsson Ahlberg among 806 hospitalist physician records in Colorado
Brett Nilsson Ahlberg, DO 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 2018, is newer than 76% of them.
- NPI issued2018 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2018 · median 2012 among the 622 with a school on file
- Record last updated2024 · 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).
75 hospitalist physician records list a practice address in Greenwood Village
They are 75 of the 2,654 NPPES records with a practice address in Greenwood Village, and 806 hospitalist physician records in Colorado.
All 806 in Colorado → Every provider in Greenwood Village → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Michael Atha, M.D.Greenwood Village, CO 801111487632030
- John Barrett, M.D.Greenwood Village, CO 801111790772911
- Aleksandra Basheer, M.D.Greenwood Village, CO 801111497760177
- Joseph Batuello, MDGreenwood Village, CO 801111376651539
- Mary Ann Bucani-Go, MDGreenwood Village, CO 801111609984707
- Randall Bynum, MDGreenwood Village, CO 801111669468393
- Jason DeweesGreenwood Village, CO 801111255355228
- Gregory Hicks, MDGreenwood Village, CO 801111982619003
Common questions
What is Brett Nilsson Ahlberg, DO's NPI number?
Brett Nilsson Ahlberg, DO's National Provider Identifier (NPI) is 1235635004, issued on Apr 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Brett Nilsson Ahlberg, DO located?
The NPPES record lists a practice address at 7100 E Belleview Ave Ste G10, Greenwood Village, CO, 80111. Phone: (303) 745-0000. Providers update this record themselves, so call before visiting.
How can I verify Brett Nilsson Ahlberg, DO's license?
NPPES lists Colorado license number 0065829, 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 Brett Nilsson Ahlberg, DO prescribe under Medicare Part D?
In 2024, Brett Nilsson Ahlberg, DO had 209 Medicare Part D claims for 101 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Brett Nilsson Ahlberg, DO's MIPS final score?
The 2023 MIPS final score is 77.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.