DR. INHYE AHN M.D.
NPI 1053632984
Internal Medicine - Medical Oncology in Boston, MA

Active since June 15, 2010PECOS EnrolledAccepts Medicare Assignment
86.28/100
CMS Quality Rating
450 BROOKLINE AVE, BOSTON, MA 02215(617) 582-9164 Get Directions Write a Review

NPPES record last updated: October 7, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Oct 7, 2021, Aug 24, 2016 (2 updates tracked since 2016).

About Dr. Inhye Ahn M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. INHYE AHN M.D. (NPI 1053632984) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (287006) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1053632984
Entity TypeIndividualFemale
Primary Taxonomy207RX0202X
Provider Legal NameDR. INHYE AHNCredential: M.D.
Location Address450 BROOKLINE AVEBoston, MA 02215-5418
Mailing Address450 Brookline AveBoston, MA 02215-5418
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJune 15, 2010
Last NPPES UpdateOctober 7, 20212 updates tracked since enumeration
NPPES CertifiedOctober 7, 2021
NPI 1053632984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in MA · 287006
Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

450 BROOKLINE AVE, Boston, MA 02215

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Inhye Ahn 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.

PECOS PAC ID5991091811
PECOS Enrollment IDI20210702000905
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
131 services65 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
56 services23 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
43 services38 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
41 services16 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
34 services34 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
15 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician 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.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.36
Promoting Interoperability100
Improvement Activities40

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.

Internal Medicine
450 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, DANA FARBER CANCER INSTITUTE, D-1608
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, DANA-FARBER CANCER INSTITUTE, D1234
BOSTON, MA 02215
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 1234
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE, DANA 322 DEPT OF PEDIATRIC ONCOLOGY
BOSTON, MA 02215

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053632984, enumerated as an "individual" on June 15, 2010.

The provider is located at 450 BROOKLINE AVE BOSTON, MA 02215 and the phone number is (617) 582-9164.

Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Shield. Please consult your insurance carrier or call the provider to verify.

Inhye Ahn is affiliated with: BRIGHAM AND WOMEN'S HOSPITAL.