DR. MATTHEW FLAMENBAUM D.O.
NPI 1811346109
Internal Medicine - Pulmonary Disease in Freehold, NJ

Q: What is Matthew Flamenbaum's NPI number?

The NPI number for Matthew Flamenbaum is 1811346109. It was assigned to this individual provider in the NPPES registry on June 7, 2016.

Q: What is Matthew Flamenbaum's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Active since June 07, 2016PECOS EnrolledAccepts Medicare Assignment

91.25/100

CMS Quality Rating

901 W MAIN ST STE 160, FREEHOLD, NJ 07728(732) 577-0600(732) 577-6332 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 6, 2026, Apr 10, 2026, Jul 21, 2022 and 1 more (4 updates tracked since 2019).

On this page

About Dr. Matthew Flamenbaum D.o. NPPES

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

DR. MATTHEW FLAMENBAUM D.O. (NPI 1811346109) is an individual pulmonary disease provider in Freehold, New Jersey, licensed in New Jersey (25MB12961600) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Centrastate Medical Center, and maintains a secondary practice location in Manalapan.

NPPES Registry Identity

NPI1811346109

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. MATTHEW FLAMENBAUMCredential: D.O.

Location Address901 W MAIN ST STE 160Freehold, NJ 07728-2537

Mailing Address901 W Main St Ste 160Freehold, NJ 07728-2537 · (732) 577-0600 · Fax (732) 577-6332

Phone(732) 577-0600

Fax(732) 577-6332

Sole ProprietorYes

Medical School CMSRowan University School Of Osteopathic MedicineGraduated 2016

Enumeration DateJune 7, 2016

Last NPPES UpdateJuly 6, 20264 updates tracked since enumeration

NPPES CertifiedJuly 6, 2026

✔ NPI 1811346109 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

Licenses✔ Licensed in NJ · 25MB12961600✔ Licensed in NY · 316522

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 25MB12961600 (NJ), 316522 (NY)

901 W MAIN ST STE 160, Freehold, NJ 07728

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Secondary Practice Location 1

Location 121 US Highway 9Manalapan, NJ 07726-3007 · Phone (732) 358-4490 · Fax (732) 972-8886

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. Matthew Flamenbaum D.o. 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 ID6103156112

PECOS Enrollment IDI20220930001705, I20260415003860

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.

Medicare Billing Reassignments

Medicare enrollment records show Matthew Flamenbaum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Practice Associates Medical Group

39 mi

Internal Medicine

100 MADISON AVENUE, INTEROFFICE #68
Morristown, NJ 07960

Reassigned Medicare billing, New Jersey enrollment
1,699 clinicians in this Medicare group

NPI 1427016385 (844) 264-2250

North Shore - Lij Medical PC

47 mi

Internal Medicine

270-05 76TH AVE
New Hyde Park, NY 11040

Reassigned Medicare billing, New York enrollment
9,353 clinicians in this Medicare group

NPI 1790043479 (516) 465-8089

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 20

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.

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.

374 services180 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.

196 services122 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.

158 services152 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.

148 services120 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.

132 services80 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.

63 services63 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

58 services58 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

44 services38 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

33 services32 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

32 services31 patients

Smoking and tobacco use intensive counseling, 4-10 minutes 99406

This service provides brief, intensive counseling (4-10 minutes) to support you in quitting smoking or tobacco use. It involves discussing the risks of tobacco use, benefits of quitting, and strategies to help you stop. It's a critical step towards a healthier lifestyle.

30 services19 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

28 services20 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

25 services24 patients

Aspiration of fluid from chest cavity 32554

Aspiration of fluid from the chest cavity is a procedure where a needle is carefully inserted into the space between your chest wall and lungs to remove excess fluid. This can relieve pressure, making it easier to breathe.

21 services18 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

20 services19 patients

Counseling visit to discuss need for lung cancer screening using low dose ct scan (ldct) (service is for eligibility determination and shared decision making) G0296

This visit involves discussing the necessity of a lung cancer screening using a low dose CT scan. It's a chance to determine if you're eligible for the test and to make an informed decision about proceeding. The scan can potentially detect lung cancer early, improving treatment outcomes.

20 services20 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

17 services13 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

16 services16 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

13 services11 patients

Test to determine lung volumes using gas dilution or washout 94727

This test measures lung volumes by either diluting or washing out a known amount of gas in your lungs. You'll breathe in a harmless gas, then exhale. The exhaled air is analyzed to assess your lung capacity and function.

13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Centrastate Medical Center

Acute Care Hospitals · Freehold, NJ

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310111

Location901 West Main StreetFreehold, NJ 07728 · Monmouth County

Emergency services Birthing friendly

Staten Island University Hospital

Acute Care Hospitals · Staten Island, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330160

Location475 Seaview AvenueStaten Island, NY 10305 · Richmond County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07728 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.

91.25/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

74.92

Promoting Interoperability

91.67

Improvement Activities

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS NAVJOT ARIYANA KAUR M.D.

Internal Medicine

901 W MAIN ST STE 160
FREEHOLD, NJ 07728

Monmouth County (732) 577-0600

SURESH PANDANTHARA NURSE PRACTITIONER

Nurse Practitioner (Family)

901 W MAIN ST STE 160
FREEHOLD, NJ 07728

Monmouth County (732) 577-0600

MR. JOSEPH F MCNAMARA APN

Nurse Practitioner (Acute Care)

901 W MAIN ST STE 160
FREEHOLD, NJ 07728

Monmouth County (732) 577-0600

OLIVIA O. LOPUZZO APRN

Nurse Practitioner (Acute Care)

901 W MAIN ST STE 160
FREEHOLD, NJ 07728

Monmouth County (732) 577-0600

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 Matthew Flamenbaum's NPI number?

The NPI number for Matthew Flamenbaum is 1811346109. It was assigned to this individual provider in the NPPES registry on June 7, 2016.

Where is Matthew Flamenbaum located?

Matthew Flamenbaum practices at 901 W Main St Ste 160, Freehold, NJ 07728. The listed phone number is (732) 577-0600.

What is Matthew Flamenbaum's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Matthew Flamenbaum enrolled in Medicare?

Yes. Matthew Flamenbaum 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 Matthew Flamenbaum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Flamenbaum reassigns Medicare benefits to 2 organizations: Practice Associates Medical Group (Morristown, NJ) and North Shore - Lij Medical PC (New Hyde Park, NY). 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 Matthew Flamenbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Matthew Flamenbaum affiliated with any hospitals?

According to CMS data, Matthew Flamenbaum is affiliated with Centrastate Medical Center and Staten Island University Hospital.

When was this NPI record last updated?

The NPPES record for Matthew Flamenbaum was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.