DR. TIERNEY A LAKE (MD) – Hospitalist Physician, NPI 1194041210
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
927 HOSPITALIST in CO
Provider Addresses for DR. TIERNEY A LAKE (MD)
300 S Nevada Ave
Montrose, CO 814014273
Phone: (970) 249-7751
Fax: (970) 249-5029
Type: Location
100 Health Park Dr
Louisville, CO 800279583
Phone: (303) 673-1000
Fax: (303) 673-1204
Type: Location
PO BOX 800022
KANSAS CITY, MO 641800022
Phone: (800) 953-0104
Fax: (303) 765-6670
Type: Mailing
1010 THREE SPRINGS BLVD
DURANGO, CO 813018296
Phone: (970) 764-3352
Fax: (970) 764-3375
Type: Location
South Nevada Avenue, Montrose, Montrose County, Colorado, 81401, United States
MONTROSE, CO 814014273
Phone: (970) 249-7751
Fax: (970) 249-5029
Type: Mailing
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: 2013-09-17
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
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20130917000656 | I | Hospitalist | CO | TBD |
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.
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
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 222 | 121 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 187 | 110 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 163 | 154 | $0 |
| 99291 | Critical care, first 30-74 minutes | 83 | 59 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 69 | 69 | $0 |
Insurance plans in this area (ZIP 81401)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CO | |
| Radiation Oncology | TX | |
| - | CO | |
| Hospitalist, General Practice, Family Practice | CO | |
| Cardiovascular Disease (Cardiology) | NM | |
| Family Practice | OK | |
| Internal Medicine | CO | |
| - | IL | |
| H E M A T O L O G Y/ O N C O L O G Y | TX | |
| Internal Medicine | PA |
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