DR. FREDERICK GREINER BARR M.D. NPI 1184620122

NPI Information

  • NPI: 1184620122
  • Provider Name: DR. FREDERICK GREINER BARR, M.D.
  • Classification: Internal Medicine - 207RH0003X
  • Specialization: Hematology & Oncology
  • Entity Type: Individual
  • Address: 5454 WISCONSIN AVE
    STE 1300
    CHEVY CHASE, MD
    ZIP 20815
  • Phone: (301) 657-8587

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NPI Details

DR. Frederick Greiner Barr, M.D. is a hematology and oncology internal medicine in Chevy Chase, MD. The provider is an internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered. DR. Frederick Greiner Barr, M.D. NPI is 1184620122. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

5454 WISCONSIN AVE
STE 1300
CHEVY CHASE, MD
ZIP 20815-908
Phone: (301) 657-8587
Fax: (301) 654-3958

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Injection, ferric carboxymaltose, 1 mg (HCPCS:J1439)
  • Injection, epoetin alfa, (for non-esrd use), 1000 units (HCPCS:J0885)
  • Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS:Q5106)
  • Injection, denosumab, 1 mg (HCPCS:J0897)
  • Injection, dexamethasone sodium phosphate, 1 mg (HCPCS:J1100)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS:85025)
  • Insertion of needle into vein for collection of blood sample (HCPCS:36415)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Injection of drug or substance under skin or into muscle (HCPCS:96372)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (HCPCS:96365)
  • Unclassified drugs (HCPCS:J3490)
  • Administration of chemotherapy into vein, 1 hour or less (HCPCS:96413)
  • Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less (HCPCS:96367)
  • Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle (HCPCS:96401)
  • Injection, diphenhydramine hcl, up to 50 mg (HCPCS:J1200)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Established patient office or other outpatient visit, 10-19 minutes (HCPCS:99212)

The enumeration date for this NPI number is 6/23/2005 and was last updated on 11/23/2010.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RH0003XInternal MedicineHematology & OncologyD22775MARYLANDYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1C88292MEDICARE UPIN
2G00984MEDICARE PINDISTRICT OF COLUMBIA

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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