Alfonso A. Blum, M.
Internal Medicine Physician · East Chicago, IN
Alfonso A. Blum, M. is an internal medicine physician with a practice address in East Chicago, Indiana, and NPI 1790810448, issued on Feb 22, 2007. Check the license (Indiana 01062815A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Alfonso A. Blum
- Credential
- M.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 01062815A IN
Self-reported in NPPES; status is on the state search - Practice location
- 4035 Elm Street, East Chicago, IN 46312
- Phone
- (219) 398-9840
- Enumerated
- Feb 22, 2007
- Record last updated
- Jul 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (219) 398-9845
- Medicare enrollment
- Enrolled (PECOS I20071117000070); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Verify Alfonso A. Blum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01062815ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average internal medicine physician in 2024
5,450 Medicare Part D claims for 373 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.
Most prescribed
- Atorvastatin Calcium506 claims
- Amlodipine Besylate358 claims
- Levothyroxine Sodium273 claims
- Metformin Hcl264 claims
- Hydrochlorothiazide248 claims
- Lisinopril148 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: $1,207.38
59 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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.
Bills Medicare through one group practice
- 219 Health Network IncEast Chicago, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alfonso A. Blum among 2,109 internal medicine physician records in Indiana
Alfonso A. Blum, M. is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% 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 46% of them.
- NPI issued2007 · 46% of these records are older, 48% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1996 · median 2005 among the 1,448 with a school on file
- Record last updated2010 · 43% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in East Chicago
They are 5 of the 376 NPPES records with a practice address in East Chicago, and 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in East Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kantilal Patel, M.D.East Chicago, IN 463121316015944
- Jose Prieto Jordan, MDEast Chicago, IN 463121871224501
- Jaime Ruiz Montero, MDEast Chicago, IN 463121245360726
- Ahmed Sabry, M.DEast Chicago, IN 463121730564246
- Cheryl Anthony Worix, MDDyer, IN 463111528028693
- Kidanu Birhanu, M.D.Dyer, IN 463111710073952
- Nancy Gamarra Flores, M.D.Dyer, IN 463111710094685
- Huma Mulk, M.D.Dyer, IN 463111497884027
Common questions
What is Alfonso A. Blum, M.'s NPI number?
Alfonso A. Blum, M.'s National Provider Identifier (NPI) is 1790810448, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alfonso A. Blum, M. located?
The NPPES record lists a practice address at 4035 Elm Street, East Chicago, IN, 46312. Phone: (219) 398-9840. Providers update this record themselves, so call before visiting.
How can I verify Alfonso A. Blum, M.'s license?
NPPES lists Indiana license number 01062815A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alfonso A. Blum, M. prescribe under Medicare Part D?
In 2024, Alfonso A. Blum, M. had 5,450 Medicare Part D claims for 373 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.