Marc Leib
Anesthesiology Physician · Phoenix, AZ
Marc Leib is an anesthesiology physician with a practice address in Phoenix, Arizona, and NPI 1619323680, issued on May 10, 2016. Check the license (Arizona 15508, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marc Leib
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 15508 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1701 E Colter St Unit 279, Phoenix, AZ 85016
- Phone
- (602) 708-8455
- Enumerated
- May 10, 2016
- Record last updated
- May 10, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,473 in Arizona → Look up another NPI →
Verify Marc Leib in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 15508Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average anesthesiology physician in 2024
17 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Nystatin13 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.
Marc Leib among 1,473 anesthesiology physician records in Arizona
Marc Leib is one of 1,473 anesthesiology physician records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 83% of them.
- NPI issued2016 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2016 · 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 207L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
602 anesthesiology physician records list a practice address in Phoenix
They are 602 of the 31,399 NPPES records with a practice address in Phoenix, and 1,473 anesthesiology physician records in Arizona.
All 1,473 in Arizona → Every provider in Phoenix → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Robert Branche, MD.Phoenix, AZ 850161184712192
- Susan Braun, MDPhoenix, AZ 850161023261799
- David Eicher, MDPhoenix, AZ 850161558453043
- Elisabeth Graf-Shafa, M.D.Phoenix, AZ 850161831207828
- Robert Greenberger, MDPhoenix, AZ 850161780623363
- Kathleen Guarnieri, MDPhoenix, AZ 850161942270756
- Narasimhan JagannathanPhoenix, AZ 850161285729988
- Anthony Koo, MDPhoenix, AZ 850161982897146
Common questions
What is Marc Leib's NPI number?
Marc Leib's National Provider Identifier (NPI) is 1619323680, issued on May 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Marc Leib located?
The NPPES record lists a practice address at 1701 E Colter St Unit 279, Phoenix, AZ, 85016. Phone: (602) 708-8455. Providers update this record themselves, so call before visiting.
How can I verify Marc Leib's license?
NPPES lists Arizona license number 15508, 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 Marc Leib prescribe under Medicare Part D?
In 2024, Marc Leib had 17 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.