Margaret Anne Harrison, MD
Obstetrics & Gynecology Physician · Littleton, CO
Margaret Anne Harrison, MD is an obstetrics & gynecology physician with a practice address in Littleton, Colorado, and NPI 1598384885, issued on Apr 16, 2020. Check the license (Colorado DR.0072594, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Margaret Anne Harrison
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- DR.0072594 CO
Self-reported in NPPES; status is on the state search - Practice location
- 7720 S Broadway Ste 440, Littleton, CO 80122
- Phone
- (303) 795-0890
- Enumerated
- Apr 16, 2020
- Record last updated
- Jun 12, 2024
- Fax
- (303) 795-3568
- Medicare enrollment
- Enrolled (PECOS I20240731000926); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Aurora, 2020
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 906 in Colorado → Look up another NPI →
Also registered at 7720 S Broadway Ste 440
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jamie Gilroy, MDObstetrics & Gynecology Physician1902302656
- Lora Merkling, NPWomen's Health Clinical Nurse Specialist1396922548
- Rayna Trietsch, M.D.Obstetrics & Gynecology Physician1891221859
- Jennifer Weiss, PA-CPhysician Assistant1598063141
Verify Margaret Anne Harrison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0072594Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
19 Medicare Part D claims for 15 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 11 claims were for opioids.
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.
Industry payments in 2024: $56.36
3 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- OB-Gyn AffiliatesCentennial, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Anne Harrison among 906 obstetrics & gynecology physician records in Colorado
Margaret Anne Harrison, MD is one of 906 obstetrics & gynecology physician records with a practice address in Colorado. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 95% of them.
- NPI issued2020 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2020 · median 2008 among the 504 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 obstetrics & gynecology physician records list a practice address in Littleton
They are 41 of the 3,918 NPPES records with a practice address in Littleton, and 906 obstetrics & gynecology physician records in Colorado.
All 906 in Colorado → Every provider in Littleton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Monica Abarca, MDLittleton, CO 801221952480121
- Carolyn Abman, MDLittleton, CO 801221396824561
- Lisa Becker, MDLittleton, CO 801221487637286
- Roy Bergstrom, MDLittleton, CO 801221174506422
- Patricia Brown, MDLittleton, CO 801221700852191
- Catrina Bubier, MDLittleton, CO 801221699854869
- Scot Graham, MDLittleton, CO 801221568445369
- Kelly Lennon, MDLittleton, CO 801221154304418
Common questions
What is Margaret Anne Harrison, MD's NPI number?
Margaret Anne Harrison, MD's National Provider Identifier (NPI) is 1598384885, issued on Apr 16, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Anne Harrison, MD located?
The NPPES record lists a practice address at 7720 S Broadway Ste 440, Littleton, CO, 80122. Phone: (303) 795-0890. Providers update this record themselves, so call before visiting.
How can I verify Margaret Anne Harrison, MD's license?
NPPES lists Colorado license number DR.0072594, 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 Margaret Anne Harrison, MD prescribe under Medicare Part D?
In 2024, Margaret Anne Harrison, MD had 19 Medicare Part D claims for 15 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.