Mark C. Spears, M.S.S.W.
Clinical Social Worker · Silverthorne, CO
Mark C. Spears, M.S.S.W. is a clinical social worker with a practice address in Silverthorne, Colorado, and NPI 1497787493, issued on Jul 7, 2006. Check the license (Colorado 992698, as entered in NPPES) with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mark C. Spears
- Credential
- M.S.S.W.
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 992698 CO
Self-reported in NPPES; status is on the state search - Practice location
- 718 Willowbrook RD, Silverthorne, CO 80498
- Phone
- (970) 513-7767
- Enumerated
- Jul 7, 2006
- Record last updated
- Jul 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070403000231); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,356 in Colorado → Look up another NPI →
Verify Mark C. Spears in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 992698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark C. Spears among 7,356 clinical social worker records in Colorado
Mark C. Spears, M.S.S.W. is one of 7,356 clinical social worker records with a practice address in Colorado. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 92% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1978 · median 2014 among the 1,575 with a school on file
- Record last updated2019 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 clinical social worker records list a practice address in Silverthorne
They are 6 of the 57 NPPES records with a practice address in Silverthorne, and 7,356 clinical social worker records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,356 in Colorado → Every provider in Silverthorne → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Ashley MerrillSilverthorne, CO 804981346069564
- Rachel Miller, LSWSilverthorne, CO 804981538791561
- Jessica Nelsen, MSW, LCSWSilverthorne, CO 804981609380807
- Jai Pitre, LCSWSilverthorne, CO 804981508406851
- Jane Thatcher, LCSWSilverthorne, CO 804981073832093
- Brenda Bender, RN,LCSWLongmont, CO 805011831267533
- Marc Esenwein, LCSWLongmont, CO 805011841360062
- Sandra Mackintosh, LCSWLongmont, CO 805011720173768
Common questions
What is Mark C. Spears, M.S.S.W.'s NPI number?
Mark C. Spears, M.S.S.W.'s National Provider Identifier (NPI) is 1497787493, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark C. Spears, M.S.S.W. located?
The NPPES record lists a practice address at 718 Willowbrook RD, Silverthorne, CO, 80498. Phone: (970) 513-7767. Providers update this record themselves, so call before visiting.
How can I verify Mark C. Spears, M.S.S.W.'s license?
NPPES lists Colorado license number 992698, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity 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. 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.