Ann Louise Mattson, MD
Gynecology Physician · Boulder, CO
Ann Louise Mattson, MD is a gynecology physician with a practice address in Boulder, Colorado, and NPI 1912085952, issued on Nov 1, 2006. Check the license (Colorado 31282, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ann Louise Mattson
- Credential
- MD
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License number
- 31282 CO
Self-reported in NPPES; status is on the state search - Practice location
- 119 Ucb, Boulder, CO 80309
- Phone
- (303) 492-2040
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 01312826 CO
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 52 in Colorado → Look up another NPI →
Also registered at 119 Ucb
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ann Louise Mattson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 31282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ann Louise Mattson among 52 gynecology physician records in Colorado
Ann Louise Mattson, MD is one of 52 gynecology physician records with a practice address in Colorado. 46% 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 23% of them.
- NPI issued2006 · 23% of these records are older, 31% newer
- In a Medicare fileNo · 46% of these records are
- In the CMS Doctors and Clinicians fileNo · 25% of these records are
- Record last updated2007 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VG0400X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in Colorado
There are 52 gynecology physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 52 in Colorado → Every provider in Boulder → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Christine Hansen, M.D.Boulder, CO 803031447362553
- John Imig, M.D.Boulder, CO 803031801870530
- Mary Macsalka, M.D.Boulder, CO 803031205942422
- Catherine Ryan, M.D.Boulder, CO 803031730295940
- Ruth Weinberg, M.D.Boulder, CO 803011639305873
- Gretchen Bruno, MDDenver, CO 802471518094556
- Paula VasichkoDenver, CO 802381508355975
- Ray Gottesfeld, M.D.Denver, CO 802201588932008
Common questions
What is Ann Louise Mattson, MD's NPI number?
Ann Louise Mattson, MD's National Provider Identifier (NPI) is 1912085952, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann Louise Mattson, MD located?
The NPPES record lists a practice address at 119 Ucb, Boulder, CO, 80309. Phone: (303) 492-2040. Providers update this record themselves, so call before visiting.
How can I verify Ann Louise Mattson, MD's license?
NPPES lists Colorado license number 31282, 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.
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.