Marylouise Cullinan, MD
Infectious Disease Physician · Thornton, CO
Marylouise Cullinan, MD is an infectious disease physician with a practice address in Thornton, Colorado, and NPI 1710041942, issued on Dec 21, 2006. Check the license (Colorado 25375, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marylouise Cullinan
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 25375 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9141 Grant St, Thornton, CO 80229
- Phone
- (303) 522-4686
- Enumerated
- Dec 21, 2006
- Record last updated
- Feb 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (303) 980-0431
- Medicaid ID
- 01253756 CO
- Medicare enrollment
- Enrolled (PECOS I20051104000472); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 182 in Colorado → Look up another NPI →
Also registered at 9141 Grant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ruth Engelmann, N.PPediatric Nurse Practitioner1174828941
- Erin Fassl, CNMAdvanced Practice Midwife1104002609
- Vernon Lee, DO PCFamily Medicine Physician1164511754
Verify Marylouise Cullinan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 25375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average infectious disease physician in 2024
17 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
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.
Marylouise Cullinan among 182 infectious disease physician records in Colorado
Marylouise Cullinan, MD is one of 182 infectious disease physician records with a practice address in Colorado. 79% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1981 · median 2004 among the 125 with a school on file
- Record last updated2016 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Colorado
There are 182 infectious disease physician records in Colorado.
All 182 in Colorado → Every provider in Thornton → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Mary Bessesen, M.D.Denver, CO 802201235160672
- Westyn Branch-Elliman, MDDenver, CO 802201437318425
- Kenneth Greenberg, D.O.Denver, CO 802201972587228
- Martin Krsak, M.D.Denver, CO 802381891958781
- Dana Lerman, MDDenver, CO 802201861653107
- Ellen Mangione, MD, MPHDenver, CO 802201881853513
- John Redington, MDDenver, CO 802201124043443
- Larry Fisher, MDDenver, CO 802191255333076
Common questions
What is Marylouise Cullinan, MD's NPI number?
Marylouise Cullinan, MD's National Provider Identifier (NPI) is 1710041942, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marylouise Cullinan, MD located?
The NPPES record lists a practice address at 9141 Grant St, Thornton, CO, 80229. Phone: (303) 522-4686. Providers update this record themselves, so call before visiting.
How can I verify Marylouise Cullinan, MD's license?
NPPES lists Colorado license number 25375, 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 Marylouise Cullinan, MD prescribe under Medicare Part D?
In 2024, Marylouise Cullinan, MD had 17 Medicare Part D claims; the average among infectious disease physician prescribers was 689. 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.