Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. CHANGSOO HAHM MD
NPI 1093025306
Psychiatry & Neurology - Neurology in Neptune, NJ

Active since October 20, 2010PECOS Enrolled
80.17/100
CMS Quality Rating
1945 ROUTE 33, NEPTUNE, NJ 07753(732) 897-3600 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 21, 2026, Aug 6, 2021, Jul 27, 2021 and 1 more (4 updates tracked since 2021).

About Dr. Changsoo Hahm Md NPPES

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

DR. CHANGSOO HAHM MD (NPI 1093025306) is an individual neurology provider in Neptune, New Jersey, licensed in New Jersey (25MA12956600) and active in the NPI registry since October 2010. He is enrolled in Medicare PECOS, is affiliated with Medstar Franklin Square Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1093025306
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. CHANGSOO HAHMCredential: MD
Location Address1945 ROUTE 33Neptune, NJ 07753
Mailing Address331 Newman Springs Rd, Bldg 2, Ste 220Red Bank, NJ 07701-5688
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateOctober 20, 2010
Last NPPES UpdateJuly 21, 20264 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
NPI 1093025306 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses Licensed in NJ · 25MA12956600 Licensed in MD · D0091565
Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

1945 ROUTE 33, Neptune, NJ 07753

Secondary Practice Locations 2

Location 1201 E University PkwyBaltimore, MD 21218-2829 · Phone (410) 554-2000
Location 25601 Loch Raven BlvdBaltimore, MD 21239-2945 · Phone (443) 444-8000

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. Changsoo Hahm 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.

PECOS PAC ID4183938863
PECOS Enrollment IDI20210715002934
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 5

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.

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.
328 services244 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
325 services309 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.
310 services191 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
45 services44 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
29 services23 patients

Hospital Affiliations CMS Care Compare 3

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

Medstar Franklin Square Medical Center

Acute Care Hospitals · Rosedale, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210015
Location9000 Franklin Square DriveRosedale, MD 21237 · Baltimore County
Emergency services Birthing friendly

Medstar Union Memorial Hospital

Acute Care Hospitals · Baltimore, MD
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210024
Location201 East University ParkwayBaltimore, MD 21218 · Baltimore City County
Emergency services

Medstar Good Samaritan Hospital

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210056
Location5601 Loch Raven BoulevardBaltimore, MD 21239 · Baltimore City County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07753 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
$140.34 typical visit price
range $61.59 – $185.05
Typical copayment $35.08 (range $15.39 – $46.26)
Most-billed visit code 99204
Established Patient
$107.94 typical visit price
range $20.08 – $150.98
Typical copayment $26.98 (range $5.02 – $37.74)
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.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

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.

Student in an Organized Health Care Education/Training Program
1945 ROUTE 33
NEPTUNE TOWNSHIP, NJ 07753
Physician Assistant
1945 ROUTE 33, K HOVNANIAN CHILDREN'S HOSPITAL
NEPTUNE, NJ 07753
Student in an Organized Health Care Education/Training Program
1945 ROUTE 33
NEPTUNE, NJ 07753
Physician Assistant
1945 ROUTE 33
NEPTUNE, NJ 07753
Emergency Medicine
1945 ROUTE 33, DEPARTMENT OF EMERGENCY MEDICINE
NEPTUNE, NJ 07753
Registered Nurse (Psychiatric/Mental Health)
1945 ROUTE 33
NEPTUNE, NJ 07753
Physician Assistant
1945 ROUTE 33
NEPTUNE, NJ 07753
Nurse Practitioner (Family)
1945 ROUTE 33
NEPTUNE, NJ 07753

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 Changsoo Hahm's NPI number?

The NPI number for Changsoo Hahm is 1093025306. It was assigned to this individual provider in the NPPES registry on October 20, 2010.

Where is Changsoo Hahm located?

Changsoo Hahm practices at 1945 Route 33, Neptune, NJ 07753. The listed phone number is (732) 897-3600.

What is Changsoo Hahm's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Changsoo Hahm enrolled in Medicare?

Yes. Changsoo Hahm 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.

Is Changsoo Hahm affiliated with any hospitals?

According to CMS data, Changsoo Hahm is affiliated with Medstar Franklin Square Medical Center, Medstar Union Memorial Hospital and Medstar Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Changsoo Hahm was last updated on July 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.