DR. MARY KOSCO TUUK (MD) – Geriatric Medicine (Internal Medicine) Physician, NPI 1174630701

DR. MARY KOSCO TUUK (MD) is a healthcare provider. based in Golden, Colorado. specializing in GERIATRIC MEDICINE. They hold the professional credentials MD. They hold a License No. 27795 (CO). The NPI Number for DR. MARY KOSCO TUUK (MD) is 1174630701

Main info

Female
42 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARY KOSCO TUUK (MD)
NPI
1174630701
Phone
(303) 949-1250
Address
5920 MCINTYRE ST
Enumeration Date
23 August 2006
Last Update Date
20 January 2016

Doctor Profile

Medical School Name
UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Secondary Phone
7203550539
Graduation Year
1984 (42 years ago)
PAC ID
8729979018
Group Practice PAC ID
0446151617
Professional Enrollment ID
I20160130000050
Address ID
CO802022728DE999XXSTXX301
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

92 GERIATRIC MEDICINE in CO

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Provider Addresses for DR. MARY KOSCO TUUK (MD)

  • McIntyre Street, Golden, Jefferson County, Colorado, 80401-4015, United States

    GOLDEN, CO 804037445

    Phone: (303) 949-1250

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2016-01-30

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20160130000050IGeriatric MedicineCOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99309Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes687188$0
99307Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes292112$0
99490Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month18080$0
99308Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes13159$0
99439Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month6935$0
View full utilization report →

Insurance plans in this area (ZIP 80403)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0446151617View full group profile

Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. MARY KOSCO TUUK (MD)?
DR. MARY KOSCO TUUK (MD) — NPI 1174630701 — is the standard way to identify this listing.
Is DR. MARY KOSCO TUUK (MD) still practicing?
DR. MARY KOSCO TUUK (MD) is currently listed as active in the public NPI registry.
What taxonomy line describes DR. MARY KOSCO TUUK (MD)?
For research purposes, treat DR. MARY KOSCO TUUK (MD) as Geriatric Medicine (Internal Medicine) Physician in this dataset. Clinical services aligned with this taxonomy classification.
What area does DR. MARY KOSCO TUUK (MD) serve?
DR. MARY KOSCO TUUK (MD)'s listing highlights Golden, Colorado; more addresses can appear in NPPES.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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