DR. WILLIAM J. BELCASTRO M.D. NPI 1548269251

NPI Information

  • NPI: 1548269251
  • Provider Name: DR. WILLIAM J. BELCASTRO, M.D.
  • Classification: Internal Medicine - 207R00000X
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 299 CAREW ST
    SUITE 322
    SPRINGFIELD, MA
    ZIP 01104
  • Phone: (413) 737-2371

Map and Directions

Get Directions

NPI Details

DR. William J. Belcastro, M.D. is an internal medicine in Springfield, MA with 55 years of experience. The provider is a physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs. DR. William J. Belcastro, M.D. NPI is 1548269251. 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:

299 CAREW ST
SUITE 322
SPRINGFIELD, MA
ZIP 01104-301
Phone: (413) 737-2371
Fax: (413) 788-7829

The NPI 1548269251 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

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.

  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Insertion of needle into vein for collection of blood sample (HCPCS:36415)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS:85025)
  • Automated urinalysis test (HCPCS:81003)
  • Measurement c-reactive protein for detection of infection or inflammation, high sensitivity (HCPCS:86141)
  • Ldl cholesterol level (HCPCS:83721)
  • Blood test, lipids (cholesterol and triglycerides) (HCPCS:80061)
  • Blood test, comprehensive group of blood chemicals (HCPCS:80053)
  • Electrocardiogram (ecg) 1 to 3 leads with review by physician (HCPCS:93040)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
  • Thyroxine (thyroid chemical), free (HCPCS:84439)
  • Blood test, thyroid stimulating hormone (tsh) (HCPCS:84443)
  • Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS:99490)
  • Creatinine level to test for kidney function or muscle injury (HCPCS:82570)
  • Urine microalbumin (protein) level (HCPCS:82043)
  • Annual alcohol misuse screening, 15 minutes (HCPCS:G0442)
  • Annual depression screening, 15 minutes (HCPCS:G0444)
  • Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS:G0439)
  • Blood glucose (sugar) measurement using reagent strip (HCPCS:82948)
  • Established patient office or other outpatient visit, 10-19 minutes (HCPCS:99212)
  • Administration of influenza virus vaccine (HCPCS:G0008)
  • Influenza vaccine split virus, preservative free (HCPCS:90662)
  • Stool analysis for blood to screen for colon tumors (HCPCS:82270)
  • Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS:99211)
  • Prostate cancer screening; prostate specific antigen test (psa) (HCPCS:G0103)
  • Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) (HCPCS:80051)
  • Urea nitrogen level to assess kidney function, quantitative (HCPCS:84520)
  • Blood creatinine level (HCPCS:82565)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)

The enumeration date for this NPI number is 7/15/2005 and was last updated on 11/16/2012.

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
1207R00000XInternal Medicine37640MASSACHUSETTSYes

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
1H23006OTHERMASSACHUSETTSBCBS
2P00401535MEDICARE PIN
3037640OTHERMASSACHUSETTSTUFTS HEALTH PLAN
42502849OTHERMASSACHUSETTSAETNA
5A55775MEDICARE UPINMASSACHUSETTS
6H23006MEDICARE PINMASSACHUSETTS
765909OTHERMASSACHUSETTSHARVARD PILGRIM
8739578OTHERMASSACHUSETTSCONNECTICARE
9531980OTHERMASSACHUSETTSCIGNA HEALTHSOURSE
1010517OTHERMASSACHUSETTSHEALTH NEW ENGLAND
110150983MEDICAIDMASSACHUSETTS

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

NPI Synchronization or Removal

All materials and services on this site are provided on an "as is" and "as available" basis without warranty of any kind. The NPI record is maintained by the National Plan & Provider Enumeration System (NPPES) and anyone may request this information and other NPPES health care provider data from HHS under The Freedom of Information Act (FOIA), Title 5 of the United States Code, section 552. To update the NPI records please contact the NPPES.