Mary Kosco Tuuk, MD
Geriatric Medicine (Internal Medicine) Physician · Golden, CO
Mary Kosco Tuuk, MD is a geriatric medicine (internal medicine) physician with a practice address in Golden, Colorado, and NPI 1174630701, issued on Aug 23, 2006. Check the license (Colorado 27795, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Kosco Tuuk
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 27795 CO
Self-reported in NPPES; status is on the state search - Practice location
- 5920 Mcintyre St, Golden, CO 80403
- Phone
- (303) 949-1250
- Enumerated
- Aug 23, 2006
- Record last updated
- Jan 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160130000050); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 103 in Colorado → Look up another NPI →
Also registered at 5920 Mcintyre St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clarence Adams, NPAdult Health Nurse Practitioner1609278290
- Mark Adams, MDGeriatric Medicine (Internal Medicine) Physician1881682888
- Maureen Allen, WHNPWomen's Health Nurse Practitioner1770525925
- Katherine Arthur, PA-CPhysician Assistant1710127659
- Myrtle Barlow, NP-CNurse Practitioner1629331186
- Sharon Blumenthal, FNPFamily Nurse Practitioner1861628802
Verify Mary Kosco Tuuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 27795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024
12,815 Medicare Part D claims for 512 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 235 claims were for opioids.
Most prescribed
- Atorvastatin Calcium681 claims
- Levothyroxine Sodium565 claims
- Eliquis489 claims
- Furosemide396 claims
- Lisinopril387 claims
- Sertraline Hcl383 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
- Meadows Family Medical Center IncDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Kosco Tuuk among 103 geriatric medicine (internal medicine) physician records in Colorado
Mary Kosco Tuuk, MD is one of 103 geriatric medicine (internal medicine) physician records with a practice address in Colorado. 75% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1984 · median 1998 among the 51 with a school on file
- Record last updated2016 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Colorado
There are 103 geriatric medicine (internal medicine) physician records in Colorado.
All 103 in Colorado → Every provider in Golden → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Mark Adams, MDGolden, CO 804031881682888
- Chang Kang, M.D.Golden, CO 804031689675852
- Donald Murphy, MDGolden, CO 804031013004589
- Bookanakere Niranjan, M.D., M.P.H.Golden, CO 804031114010436
- Timothy Rodgers, M. D.Golden, CO 804031215939541
- Christopher Unrein, DO, FAOGME, FACP, CMGolden, CO 804031225033095
- Sarah Beck, M.D.Golden, CO 804011417272584
- James Murphy, M.D.Boulder, CO 803041679557268
Common questions
What is Mary Kosco Tuuk, MD's NPI number?
Mary Kosco Tuuk, MD's National Provider Identifier (NPI) is 1174630701, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Kosco Tuuk, MD located?
The NPPES record lists a practice address at 5920 Mcintyre St, Golden, CO, 80403. Phone: (303) 949-1250. Providers update this record themselves, so call before visiting.
How can I verify Mary Kosco Tuuk, MD's license?
NPPES lists Colorado license number 27795, 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 Mary Kosco Tuuk, MD prescribe under Medicare Part D?
In 2024, Mary Kosco Tuuk, MD had 12,815 Medicare Part D claims for 512 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.