DR. ARON ROSENSTOCK M.D.
NPI 1619105830
Internal Medicine - Medical Oncology in Houston, TX
About Dr. Aron Rosenstock M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARON ROSENSTOCK M.D. (NPI 1619105830) is an individual medical oncology provider in Houston, Texas, licensed in Massachusetts (276173) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and is a graduate of Tufts University School Of Medicine (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Dr. Aron Rosenstock M.d. 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 Aron Rosenstock reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Northampton, MA 01060
- Reassigned Medicare billing, Massachusetts enrollment
- 539 clinicians in this Medicare group
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 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 7
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cooley Dickinson Hospital Inc,the
Acute Care Hospitals · Northampton, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAMartha's Vineyard Hospital Inc
Critical Access Hospitals · Oak Bluffs, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Aron Rosenstock's NPI number?
The NPI number for Aron Rosenstock is 1619105830. It was assigned to this individual provider in the NPPES registry on June 25, 2009.
Where is Aron Rosenstock located?
Aron Rosenstock practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.
What is Aron Rosenstock's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Aron Rosenstock enrolled in Medicare?
Yes. Aron Rosenstock 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 Aron Rosenstock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aron Rosenstock reassigns Medicare benefits to 5 organizations: Mass General Brigham Medical Group Western Massachusetts Inc (Northampton, MA), Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, 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 Aron Rosenstock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Aron Rosenstock accept?
Health plans from Anthem Blue Cross and Blue Shield list Aron Rosenstock 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 Aron Rosenstock affiliated with any hospitals?
According to CMS data, Aron Rosenstock is affiliated with Cooley Dickinson Hospital Inc,the, Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Martha's Vineyard Hospital Inc.
When was this NPI record last updated?
The NPPES record for Aron Rosenstock was last updated on October 9, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.
# Dr. Aron Rosenstock, M.D. · NPI 1619105830
Medical Oncology physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since June 25, 2009.
## Identity
- **NPI:** 1619105830 (Entity type: Individual)
- **Enumerated:** June 25, 2009
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 276173 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1515 HOLCOMBE BLVD, Houston, TX 77030-4009
- **Phone:** (713) 792-6161
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Mass General Brigham Medical Group Western Massachusetts Inc (NPI 1295787919, Northampton, MA); Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA); Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 2005
## Record status
- **NPPES last updated:** October 9, 2018
- **Other identifiers:** Medicaid 344577701 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1619105830) · Data from the CMS NPPES public registry.