MRS. ALEXANDRA GREENBERG D.O.
NPI 1063852101
Internal Medicine - Gastroenterology in Brick, NJ

Q: What is Alexandra Greenberg's NPI number?

The NPI number for Alexandra Greenberg is 1063852101. It was assigned to this individual provider in the NPPES registry on July 3, 2013.

Q: What is Alexandra Greenberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Active since July 03, 2013PECOS EnrolledAccepts Medicare Assignment

97.45/100

CMS Quality Rating

525 JACK MARTIN BLVD STE 301, BRICK, NJ 08724(732) 840-0067(732) 840-3103 Get Directions Write a Review

NPPES record last updated: December 6, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 6, 2024, Nov 13, 2024 (2 updates tracked since 2024).

On this page

About Mrs. Alexandra Greenberg D.o. NPPES

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

MRS. ALEXANDRA GREENBERG D.O. (NPI 1063852101) is an individual gastroenterology provider in Brick, New Jersey, licensed in New Jersey (25MB09979100) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS, is affiliated with Community Medical Center, and maintains a secondary practice location in Red Bank.

NPPES Registry Identity

NPI1063852101

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameMRS. ALEXANDRA GREENBERGCredential: D.O.

Location Address525 JACK MARTIN BLVD STE 301Brick, NJ 08724-7737

Mailing Address525 Jack Martin Blvd Ste 301Brick, NJ 08724-7737 · (732) 840-0067 · Fax (732) 840-3103

Phone(732) 840-0067

Fax(732) 840-3103

Sole ProprietorNo

Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2010

Enumeration DateJuly 3, 2013

Last NPPES UpdateDecember 6, 20242 updates tracked since enumeration

NPPES CertifiedDecember 6, 2024

✔ NPI 1063852101 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NJ · 25MB09979100

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Also ListedInternal MedicineTaxonomy 207R00000X · License D01784 (NV)

525 JACK MARTIN BLVD STE 301, Brick, NJ 08724

Open in Google Maps ↗

Secondary Practice Location 1

Location 11 Riverview PlzRed Bank, NJ 07701-1864 · Phone (732) 741-2700 · Fax (732) 398-6405

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.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

Mrs. Alexandra Greenberg 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 ID4587942941

PECOS Enrollment IDI20161107000195

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 Alexandra Greenberg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Allied Digestive Health, LLC

15 mi

Gastroenterology

187 ROUTE 36, MONMOUTH CORPORATE PARK CENTER I;BUILDING A, SUITE 230
West Long Beach, NJ 07764

Reassigned Medicare billing, New Jersey enrollment
406 clinicians in this Medicare group

NPI 1265831259 (732) 222-3805

Hackensack Meridian Health Medical Group - Specialty Care PC

18 mi

Surgical Critical Care

331 NEWMAN SPRINGS RD STE 220
Red Bank, NJ 07701

Reassigned Medicare billing, New Jersey enrollment
2,844 clinicians in this Medicare group

NPI 1215989249 (732) 807-0800

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 19

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.

474 services320 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.

315 services214 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.

151 services125 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.

145 services145 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

139 services133 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

135 services132 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

116 services113 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.

95 services95 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.

58 services58 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

32 services29 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.

29 services20 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

24 services24 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

23 services23 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

17 services17 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

15 services15 patients

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

13 services13 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

13 services13 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

12 services12 patients

Injection beneath lining of large bowel using a flexible endoscope 45381

This procedure involves a flexible tube, called an endoscope, being inserted into the large bowel. A small needle is then passed through the tube to inject medication under the bowel lining. This is typically done to treat inflammation or bleeding.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Community Medical Center

Acute Care Hospitals · Toms River, NJ

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310041

Location99 Rt 37 WestToms River, NJ 08755 · Ocean County

Emergency services Birthing friendly

Ocean Medical Center

Acute Care Hospitals · Brick, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number310052

Location425 Jack Martin BlvdBrick, NJ 08724 · Ocean County

Emergency services Birthing friendly

Jfk Medical Center

Acute Care Hospitals · Edison, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310108

Location65 James StreetEdison, NJ 08820 · Middlesex County

Emergency services Birthing friendly

Southern Ocean Medical Center

Acute Care Hospitals · Manahawkin, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310113

Location1140 Rt 72 WManahawkin, NJ 08050 · Ocean County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08724 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.

97.45/100

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

Scored as part of a group practice

Promoting Interoperability

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034

Other-Enteral and Parenteral · category OB006N

2 suppliers12 claims361 services$2.63 avg. paid by Medicare

Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152

Other-Enteral and Parenteral · category OB006N

2 suppliers14 claims6,688 services$0.27 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

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

LINDSAY BETH FEHRING NP

Nurse Practitioner (Adult Health)

525 JACK MARTIN BLVD STE 301
BRICK, NJ 08724

Ocean County (732) 840-0067

CAITLIN BRIANNA DUNKER

Nurse Practitioner (Family)

525 JACK MARTIN BLVD STE 301
BRICK, NJ 08724

Ocean County (732) 840-0067

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 Alexandra Greenberg's NPI number?

The NPI number for Alexandra Greenberg is 1063852101. It was assigned to this individual provider in the NPPES registry on July 3, 2013.

Where is Alexandra Greenberg located?

Alexandra Greenberg practices at 525 Jack Martin Blvd Ste 301, Brick, NJ 08724. The listed phone number is (732) 840-0067.

What is Alexandra Greenberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Alexandra Greenberg enrolled in Medicare?

Yes. Alexandra Greenberg 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 Alexandra Greenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Greenberg reassigns Medicare benefits to 2 organizations: Allied Digestive Health, LLC (West Long Beach, NJ) and Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, NJ). 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 Alexandra Greenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Greenberg accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Alexandra Greenberg 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 Alexandra Greenberg affiliated with any hospitals?

According to CMS data, Alexandra Greenberg is affiliated with Community Medical Center, Ocean Medical Center, Jfk Medical Center and Southern Ocean Medical Center.

When was this NPI record last updated?

The NPPES record for Alexandra Greenberg was last updated on December 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.