Charles B. Giffin, MD
Internal Medicine Physician · Tucson, AZ
Charles B. Giffin, MD is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1932157161, issued on May 4, 2006. Check the license (Arizona 12976, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles B. Giffin
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 12976 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5555 E 5TH St Ste 101, Tucson, AZ 85711
- Phone
- (520) 886-4181
- Enumerated
- May 4, 2006
- Record last updated
- Nov 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (520) 721-7536
- Entity
- Type 1 · individual
Also registered at 5555 E 5TH St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Charles B. Giffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 12976Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
21 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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: $21.99
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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.
651 internal medicine physician records list a practice address in Tucson
They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.
All 651 in Tucson → All 2,853 in Arizona → Every provider in Tucson →
Other internal medicine physician records in Arizona
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- Demsas Abay, MDPeoria, AZ1720312390
- Firas Abbas, M.D. M.P.H.Mesa, AZ1336481407
- Hassan Abbas, D.O.Mesa, AZ1477294775
- Jalal Abbas, M.D.Sun City West, AZ1205895034
- Tayeb Abbas, MDSun City West, AZ1093406795
- Hamed Abbaszadegan, MDPhoenix, AZ1407083579
- Kristopher Abbate, MDTucson, AZ1184112401
Common questions
What is Charles B. Giffin, MD's NPI number?
Charles B. Giffin, MD's National Provider Identifier (NPI) is 1932157161, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles B. Giffin, MD located?
The NPPES record lists a practice address at 5555 E 5TH St Ste 101, Tucson, AZ, 85711. Phone: (520) 886-4181. Providers update this record themselves, so call before visiting.
How can I verify Charles B. Giffin, MD's license?
NPPES lists Arizona license number 12976, 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 Charles B. Giffin, MD prescribe under Medicare Part D?
In 2024, Charles B. Giffin, MD had 21 Medicare Part D claims; 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.