Tiffany A. Di Giacomo, MD
Obstetrics & Gynecology Physician · Mesa, AZ
Tiffany A. Di Giacomo, MD is an obstetrics & gynecology physician with a practice address in Mesa, Arizona, and NPI 1750674677, issued on May 25, 2011. Check the license (Arizona 50408, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tiffany A. Di Giacomo
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 50408 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1142 E Southern Ave Ste 101, Mesa, AZ 85204
- Phone
- (480) 821-3600
- Enumerated
- May 25, 2011
- Record last updated
- Nov 15, 2023
- Fax
- (480) 857-2667
- Medicaid ID
- 031478 AZ
- Medicare enrollment
- Enrolled (PECOS I20150903000958); accepts Medicare assignment
- Medical or professional school
- University Of New Mexico School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 803 in Arizona → Look up another NPI →
Also registered at 1142 E Southern Ave Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luciana Anthony, WHNPWomen's Health Nurse Practitioner1699728147
- Felix Chico Garcia, MDObstetrics & Gynecology Physician1932688710
- Mily Nieves, MDObstetrics & Gynecology Physician1508901612
Verify Tiffany A. Di Giacomo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 50408Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
41 Medicare Part D claims for 12 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of 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.
Industry payments in 2024: $107.98
2 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, 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
- Momdoc LLCChandler, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany A. Di Giacomo among 803 obstetrics & gynecology physician records in Arizona
Tiffany A. Di Giacomo, MD is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 70% of them.
- NPI issued2011 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2011 · median 2005 among the 477 with a school on file
- Record last updated2023 · 49% 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 Arizona 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 Arizona
There are 803 obstetrics & gynecology physician records in Arizona.
All 803 in Arizona → Every provider in Mesa → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Omar Andino-Ortega, MDMesa, AZ 852041366028748
- Felix Chico Garcia, MDMesa, AZ 852041932688710
- Jean Moon, M.D.Mesa, AZ 852041831151562
- Jamal Mourad, DOMesa, AZ 852041366404634
- Mily Nieves, MDMesa, AZ 852041508901612
- Andrew Adamson, DOMesa, AZ 852031124330220
- Casandra Liggins, MDMesa, AZ 852031073873774
- Shelly Messer, MDMesa, AZ 852051649244609
Common questions
What is Tiffany A. Di Giacomo, MD's NPI number?
Tiffany A. Di Giacomo, MD's National Provider Identifier (NPI) is 1750674677, issued on May 25, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany A. Di Giacomo, MD located?
The NPPES record lists a practice address at 1142 E Southern Ave Ste 101, Mesa, AZ, 85204. Phone: (480) 821-3600. Providers update this record themselves, so call before visiting.
How can I verify Tiffany A. Di Giacomo, MD's license?
NPPES lists Arizona license number 50408, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tiffany A. Di Giacomo, MD prescribe under Medicare Part D?
In 2024, Tiffany A. Di Giacomo, MD had 41 Medicare Part D claims for 12 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.