MIGUEL SANTIAGO MONTANA FERNANDEZ MD
NPI 1225598337
Hospitalist in Boston, MA
About Miguel Santiago Montana Fernandez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIGUEL SANTIAGO MONTANA FERNANDEZ MD (NPI 1225598337) is an individual hospitalist provider in Boston, Massachusetts, licensed in Massachusetts (291131) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains 4 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Miguel Santiago Montana Fernandez Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Miguel Montana Fernandez reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 346 clinicians in this Medicare group
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Medical Center
Acute Care Hospitals · Boston, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Miguel Montana Fernandez's NPI number?
The NPI number for Miguel Montana Fernandez is 1225598337. It was assigned to this individual provider in the NPPES registry on March 23, 2019.
Where is Miguel Montana Fernandez located?
Miguel Montana Fernandez practices at 330 Brookline Ave # 221, Boston, MA 02215. The listed phone number is (617) 455-1207.
What is Miguel Montana Fernandez's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Miguel Montana Fernandez enrolled in Medicare?
Yes. Miguel Montana Fernandez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Miguel Montana Fernandez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Miguel Montana Fernandez reassigns Medicare benefits to 5 organizations: Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA), Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Boston, MA), Brigham & Womens Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Miguel Montana Fernandez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Miguel Montana Fernandez accept?
Health plans from Taro Health list Miguel Montana Fernandez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Miguel Montana Fernandez affiliated with any hospitals?
According to CMS data, Miguel Montana Fernandez is affiliated with Boston Medical Center and Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Miguel Montana Fernandez was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.