DR. DANHUA XIAO M.D.
NPI 1649538141
Internal Medicine in Summit, NJ

Q: What is Danhua Xiao's NPI number?

The NPI number for Danhua Xiao is 1649538141. It was assigned to this individual provider in the NPPES registry on May 3, 2012.

Q: What is Danhua Xiao's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Danhua Xiao was last updated on February 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since May 03, 2012PECOS EnrolledAccepts Medicare Assignment

33 OVERLOOK RD, SUITE 208, SUMMIT, NJ 07901(908) 522-5794 Get Directions Write a Review

NPPES record last updated: February 22, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 22, 2019, Feb 9, 2016 (2 updates tracked since 2016).

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About Dr. Danhua Xiao M.d. NPPES

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

DR. DANHUA XIAO M.D. (NPI 1649538141) is an individual internal medicine provider in Summit, New Jersey, licensed in New Jersey (25MA09061900) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS, is affiliated with Morristown Medical Center, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1649538141

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. DANHUA XIAOCredential: M.D.

Location Address33 OVERLOOK RD, SUITE 208Summit, NJ 07901-3570

Mailing AddressPo Box 416457Boston, MA 02241-6457

Phone(908) 522-5794

Sole ProprietorNo

Medical School CMSOtherGraduated 1997

Enumeration DateMay 3, 2012

Last NPPES UpdateFebruary 22, 20192 updates tracked since enumeration

✔ NPI 1649538141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NJ · 25MA09061900

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

33 OVERLOOK RD, Summit, NJ 07901

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include 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

Dr. Danhua Xiao 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 ID4789833518

PECOS Enrollment IDI20121011000045

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 Reassignment

Medicare enrollment records show Danhua Xiao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Practice Associates Medical Group

7.9 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

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 3

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.

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.

169 services79 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.

19 services19 patients

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.

13 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Morristown Medical Center

Acute Care Hospitals · Morristown, NJ

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310015

Location100 Madison AveMorristown, NJ 07960 · Morris County

Emergency services Birthing friendly

Overlook Medical Center

Acute Care Hospitals · Summit, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310051

Location99 Beauvoir AvenueSummit, NJ 07901 · Union County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07901 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

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

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.

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

3 suppliers20 claims606 services$2.44 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 suppliers18 claims10,116 services$0.26 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 20

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

ALPHA BEHAVIORAL CARE PA

Psychiatry & Neurology (Psychiatry)

33 OVERLOOK RD, SUITE 210
SUMMIT, NJ 07901

Union County (908) 273-0800

ELFIE WEGNER RN P

Nurse Practitioner

33 OVERLOOK RD
SUMMIT, NJ 07901

Union County (973) 971-7184

CHANG KWEON MD

Anesthesiology

33 OVERLOOK RD, STE 311
SUMMIT, NJ 07901

Union County (908) 598-1500

DR. ELISE BUTKIEWICZ MD

Family Medicine

33 OVERLOOK RD, 103
SUMMIT, NJ 07901

Union County (908) 522-5700

JASON BYERS MD

Anesthesiology

33 OVERLOOK RD, STE 311
SUMMIT, NJ 07901

Union County (908) 598-1500

SUMMIT PLASTIC SURGERY, PC

Surgery (Plastic and Reconstructive Surgery)

33 OVERLOOK RD, SUITE 310
SUMMIT, NJ 07901

Union County (908) 918-1969

DR. JOSEPH F ALTONGY M.D.

Orthopaedic Surgery

33 OVERLOOK RD, SUITE 202
SUMMIT, NJ 07901

Union County (908) 273-8340

BEVERLY PRANZATELLI P.T.

Physical Therapist

33 OVERLOOK RD, SUITE 203
SUMMIT, NJ 07901

Union County (908) 608-0706

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 Danhua Xiao's NPI number?

The NPI number for Danhua Xiao is 1649538141. It was assigned to this individual provider in the NPPES registry on May 3, 2012.

Where is Danhua Xiao located?

Danhua Xiao practices at 33 Overlook Rd Suite 208, Summit, NJ 07901. The listed phone number is (908) 522-5794.

What is Danhua Xiao's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Danhua Xiao enrolled in Medicare?

Yes. Danhua Xiao 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 Danhua Xiao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Danhua Xiao reassigns Medicare benefits to Practice Associates Medical Group (Morristown, NJ). 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 Danhua Xiao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Danhua Xiao accept?

Health plans from Oscar Health list Danhua Xiao 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 Danhua Xiao affiliated with any hospitals?

According to CMS data, Danhua Xiao is affiliated with Morristown Medical Center and Overlook Medical Center.

When was this NPI record last updated?

The NPPES record for Danhua Xiao was last updated on February 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.