Ann J. Granadillo, MD
Obstetrics & Gynecology Physician · Highlands Ranch, CO
Ann J. Granadillo, MD is an obstetrics & gynecology physician with a practice address in Highlands Ranch, Colorado, and NPI 1972659597, issued on Jan 26, 2007. Check the license (Colorado 45486, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ann J. Granadillo
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 45486 CO
DR.0045486 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1500 Park Central Dr, Highlands Ranch, CO 80129
- Phone
- (720) 848-0000
- Enumerated
- Jan 26, 2007
- Record last updated
- Apr 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20070710000532); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 906 in Colorado → Look up another NPI →
Also registered at 1500 Park Central Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Radhika Acharya-Leon, DOMedical Oncology Physician1881678506
- Lacey Aghazarian, PA-CSurgical Physician Assistant1972067627
- Ralph Ascione, CRNACertified Registered Nurse Anesthetist1467782482
- Karen Ashbeck, DOObstetrics & Gynecology Physician1043399215
- Jessica Bishop, MDPlastic Surgery within the Head & Neck (Otolaryngology) Physician1639732159
- Amanda Bonvicino, MDCytopathology Physician1861685067
Verify Ann J. Granadillo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 45486Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
101 Medicare Part D claims for 37 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol15 claims
- Progesterone14 claims
- Clobetasol Propionate11 claims
- Zolpidem Tartrate11 claims
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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.48
1 payment: food and beverage; the largest payer was CooperSurgical, 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
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann J. Granadillo among 906 obstetrics & gynecology physician records in Colorado
Ann J. Granadillo, 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 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 39% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2003 · median 2008 among the 504 with a school on file
- Record last updated2026 · 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).
Obstetrics & Gynecology Physician providers in Colorado
There are 906 obstetrics & gynecology physician records in Colorado.
All 906 in Colorado → Every provider in Highlands Ranch → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Karen Ashbeck, DOHighlands Ranch, CO 801291043399215
- Christopher Devries, MDHighlands Ranch, CO 801291578083291
- Steven Gardner, MDHighlands Ranch, CO 801291578607107
- Carol HaradaHighlands Ranch, CO 801291346384146
- Christine Hendee, R.N.Highlands Ranch, CO 801291699802678
- Andrew Koo, M.D.Highlands Ranch, CO 801291831540772
- Michele McGould, M.D.Highlands Ranch, CO 801291659338762
- Drennen Mirtsching, M.D.Highlands Ranch, CO 801291598296527
Common questions
What is Ann J. Granadillo, MD's NPI number?
Ann J. Granadillo, MD's National Provider Identifier (NPI) is 1972659597, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ann J. Granadillo, MD located?
The NPPES record lists a practice address at 1500 Park Central Dr, Highlands Ranch, CO, 80129. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.
How can I verify Ann J. Granadillo, MD's license?
NPPES lists Colorado license number 45486, 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 Ann J. Granadillo, MD prescribe under Medicare Part D?
In 2024, Ann J. Granadillo, MD had 101 Medicare Part D claims for 37 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Ann J. Granadillo, MD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.