Andrea Diane Itzkowitz, M.D.
Internal Medicine Physician · Saint Louis, MO
Andrea Diane Itzkowitz, M.D. is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1285696831, issued on Apr 6, 2006. Check the license (Missouri 2012011172, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Andrea Diane Itzkowitz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 2012011172 MO
ME51683 FL
Self-reported in NPPES; status is on the state search - Practice location
- 8710 Manchester RD, Saint Louis, MO 63144
- Phone
- (314) 961-3570
- Enumerated
- Apr 6, 2006
- Record last updated
- Oct 14, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151021001605); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,604 in Missouri → Look up another NPI →
Also registered at 8710 Manchester RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julie Fultz, MDInternal Medicine Physician1710274410
- Michael Howard, DOFamily Medicine Physician1942381199
- Barbara King, FNP, BC, CNPFamily Nurse Practitioner1508981820
- Sripatt Kulkamthorn, M.D.Family Medicine Physician1306948930
- Bernard Miller, M.D.General Practice Physician1851576029
- Mary Miller, FNPNurse Practitioner1194849950
Verify Andrea Diane Itzkowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2012011172Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,947 Medicare Part D claims for 194 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 342 claims were for opioids.
Most prescribed
- Eliquis603 claims
- Atorvastatin Calcium430 claims
- Trazodone Hcl426 claims
- Potassium Chloride350 claims
- Sertraline Hcl320 claims
- Levothyroxine Sodium314 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.
Bills Medicare through 3 group practices
- Aging Well Health Care, LLCSaint Louis, MO
- Generation Clinical Partners LLCChesterfield, MO
- Pai Participant 1 LLCKirkwood, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrea Diane Itzkowitz among 2,604 internal medicine physician records in Missouri
Andrea Diane Itzkowitz, M.D. is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 59% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1984 · median 2006 among the 1,443 with a school on file
- Record last updated2015 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
941 internal medicine physician records list a practice address in Saint Louis
They are 941 of the 27,605 NPPES records with a practice address in Saint Louis, and 2,604 internal medicine physician records in Missouri.
All 2,604 in Missouri → Every provider in Saint Louis → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julie Fultz, MDSaint Louis, MO 631441710274410
- David Horan, M.DSt Louis, MO 631441326583162
- John Moore, MDSaint Louis, MO 631441356399323
- Mark Scheperle, M.D.Saint Louis, MO 631441265417034
- Jamuna Arekapudi, M.DMaryland Hts, MO 631461396883047
- Frank Ashall, M.D., D.PHIL.Saint Louis, MO 631461144275538
- George Mansour, MDSaint Louis, MO 631461194072835
- Qin Zhang, M.D.Saint Louis, MO 631461831485630
Common questions
What is Andrea Diane Itzkowitz, M.D.'s NPI number?
Andrea Diane Itzkowitz, M.D.'s National Provider Identifier (NPI) is 1285696831, issued on Apr 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrea Diane Itzkowitz, M.D. located?
The NPPES record lists a practice address at 8710 Manchester RD, Saint Louis, MO, 63144. Phone: (314) 961-3570. Providers update this record themselves, so call before visiting.
How can I verify Andrea Diane Itzkowitz, M.D.'s license?
NPPES lists Missouri license number 2012011172, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrea Diane Itzkowitz, M.D. prescribe under Medicare Part D?
In 2024, Andrea Diane Itzkowitz, M.D. had 9,947 Medicare Part D claims for 194 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.