DR. SUSAN INONOG M.D.
NPI 1922369933
Internal Medicine in Chelsea, MA
About Dr. Susan Inonog M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUSAN INONOG M.D. (NPI 1922369933) is an individual internal medicine provider in Chelsea, Massachusetts, licensed in Massachusetts (263311) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
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. Susan Inonog 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 Reassignment
Medicare enrollment records show Susan Inonog reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Austin, TX 78746
- Reassigned Medicare billing, Texas enrollment
- 62 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02150 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHELSEA, MA 02150
CHELSEA, MA 02150
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 Susan Inonog's NPI number?
The NPI number for Susan Inonog is 1922369933. It was assigned to this individual provider in the NPPES registry on June 6, 2012.
Where is Susan Inonog located?
Susan Inonog practices at 100 Everett Ave, Chelsea, MA 02150. The listed phone number is (617) 884-8300.
What is Susan Inonog's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Susan Inonog enrolled in Medicare?
Yes. Susan Inonog 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 organization bills Medicare for Susan Inonog's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Inonog reassigns Medicare benefits to Harbor Health Medical Group (Austin, TX). The 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 Susan Inonog's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Susan Inonog accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 9 other insurers list Susan Inonog 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.
When was this NPI record last updated?
The NPPES record for Susan Inonog was last updated on August 17, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Susan Inonog, M.D. · NPI 1922369933
Internal Medicine physician in Chelsea, Massachusetts. Individual provider, active in the CMS NPPES registry since June 6, 2012.
## Identity
- **NPI:** 1922369933 (Entity type: Individual)
- **Enumerated:** June 6, 2012
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 263311 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 EVERETT AVE, Chelsea, MA 02150-2309
- **Phone:** (617) 884-8300
## 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:** Harbor Health Medical Group (NPI 1396486619, Austin, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** August 17, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1922369933) · Data from the CMS NPPES public registry.