DR. NICHOLAS THOMAS ORFANIDIS MD
NPI 1669638573
Internal Medicine - Gastroenterology in Philadelphia, PA

Q: What is Nicholas Orfanidis's NPI number?

The NPI number for Nicholas Orfanidis is 1669638573. It was assigned to this individual provider in the NPPES registry on July 30, 2008.

Q: What is Nicholas Orfanidis's specialty?

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

Active since July 30, 2008PECOS EnrolledAccepts Medicare Assignment

1101 CHESTNUT ST, PHILADELPHIA, PA 19107(215) 955-8900 Get Directions Write a Review

NPPES record last updated: October 28, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Nicholas Thomas Orfanidis Md NPPES

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

DR. NICHOLAS THOMAS ORFANIDIS MD (NPI 1669638573) is an individual gastroenterology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MT186282) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Inspira Medical Center Vineland, and is a graduate of Temple University School Of Medicine (2005).

NPPES Registry Identity

NPI1669638573

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. NICHOLAS THOMAS ORFANIDISCredential: MD

Location Address1101 CHESTNUT STPhiladelphia, PA 19107-3612

Mailing Address132 S 10th St, Main Building, Suite 480Philadelphia, PA 19107-5244 · (215) 955-8900

Phone(215) 955-8900

Sole ProprietorNo

Medical School CMSTemple University School Of MedicineGraduated 2005

Enumeration DateJuly 30, 2008

Last NPPES UpdateOctober 28, 2024

NPPES CertifiedOctober 28, 2024

✔ NPI 1669638573 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in PA · MT186282

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.

1101 CHESTNUT ST, Philadelphia, PA 19107

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware and more.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. Nicholas Thomas Orfanidis 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 ID9133307283

PECOS Enrollment IDI20110621000160, I20110714000529

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 Nicholas Orfanidis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Jefferson University Physicians

0.2 mi

General Practice

33 S. 9TH STREET
Philadelphia, PA 19107

Reassigned Medicare billing, Pennsylvania enrollment
1,739 clinicians in this Medicare group

NPI 1326093675 (215) 955-0000

Dimarino-Kroop-Prieto Gastro-Intestinal Associates,pa

7.4 mi

Specialist

26 EAST RED BANK AVE
Woodbury, NJ 08096

Reassigned Medicare billing, New Jersey enrollment
Medicare enrollment name: Dimarino Kroop Prieto Gastrointestinal Associates PA
30 clinicians in this Medicare group

NPI 1962422295 (856) 848-4464

Jefferson University Physicians Of New Jersey, P.C.

12 mi

Internal Medicine

443 LAUREL OAK RD, SUITE 130
Voorhees, NJ 08043

Reassigned Medicare billing, New Jersey enrollment
Medicare enrollment name: Jefferson University Physicians Of New Jersey PC
186 clinicians in this Medicare group

NPI 1083039200 (856) 741-0122

Inspira Health Network Medical Group, P.C.

16 mi

Multi-Specialty

1120 DELSEA DR N
Glassboro, NJ 08028

Reassigned Medicare billing, New Jersey enrollment
Medicare enrollment name: Inspira Health Network Medical Group PC
258 clinicians in this Medicare group

NPI 1922177856 (856) 507-2783

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 14

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.

217 services121 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.

165 services123 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.

138 services129 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.

118 services93 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.

76 services76 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.

76 services76 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.

64 services64 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

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.

35 services34 patients

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

30 services24 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.

22 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.

21 services21 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

19 services13 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

17 services17 patients

Hospital Affiliations CMS Care Compare 3

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

Inspira Medical Center Vineland

Acute Care Hospitals · Vineland, NJ

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310032

Location1505 W Sherman AveVineland, NJ 08360 · Cumberland County

Emergency services Birthing friendly

Inspira Medical Center Mullica Hill

Acute Care Hospitals · Mullica Hill, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310069

Location700 Mullica Hill RdMullica Hill, NJ 08062 · Gloucester County

Emergency services Birthing friendly

Thomas Jefferson University Hospital

Acute Care Hospitals · Philadelphia, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390174

Location111 South 11th StreetPhiladelphia, PA 19107 · Philadelphia County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19107 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

$137.17 typical visit price

range $59.88 – $180.99

Typical copayment $34.29 (range $14.97 – $45.24)

Most-billed visit code 99204

Established Patient

$105.21 typical visit price

range $19.30 – $147.29

Typical copayment $26.30 (range $4.82 – $36.82)

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.

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.

EMILY RUBIN R.D.

Dietitian, Registered

1101 CHESTNUT ST
PHILA, PA 19107

Philadelphia County (215) 955-8900

LAUREL VIRGINIA KOVALCHICK MD

Psychiatry & Neurology (Neurology)

1101 CHESTNUT ST
PHILADELPHIA, PA 19107

Philadelphia County (215) 955-1234

CHRISTOPHER JAMES ADKINS M.D.

Internal Medicine (Gastroenterology)

1101 CHESTNUT ST
PHILA, PA 19107

Philadelphia County (215) 955-8900

SARAH F ADAMS CCC-SLP

Speech-Language Pathologist

1101 CHESTNUT ST
PHILADELPHIA, PA 19107

Philadelphia County (215) 955-6760

REBECCA LOH

Internal Medicine (Gastroenterology)

1101 CHESTNUT ST
PHILADELPHIA, PA 19107

Philadelphia County (215) 955-8900

EDDIE DIAZ SERRANO AUD

Audiologist

1101 CHESTNUT ST
PHILADELPHIA, PA 19107

Philadelphia County (215) 955-6760

RORY MARGARET ANDERSON CRNP

Nurse Practitioner (Family)

1101 CHESTNUT ST
PHILADELPHIA, PA 19107

Philadelphia County (800) 533-3669

MAEVE CALLAHAN CRNP

Nurse Practitioner (Adult Health)

1101 CHESTNUT ST
PHILADELPHIA, PA 19107

Philadelphia County (800) 533-3669

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 Nicholas Orfanidis's NPI number?

The NPI number for Nicholas Orfanidis is 1669638573. It was assigned to this individual provider in the NPPES registry on July 30, 2008.

Where is Nicholas Orfanidis located?

Nicholas Orfanidis practices at 1101 Chestnut St, Philadelphia, PA 19107. The listed phone number is (215) 955-8900.

What is Nicholas Orfanidis's specialty?

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

Is Nicholas Orfanidis enrolled in Medicare?

Yes. Nicholas Orfanidis 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 Nicholas Orfanidis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Orfanidis reassigns Medicare benefits to 4 organizations: Jefferson University Physicians (Philadelphia, PA), Dimarino-Kroop-Prieto Gastro-Intestinal Associates,pa (Woodbury, NJ), Jefferson University Physicians Of New Jersey, P.C. (Voorhees, NJ) and Inspira Health Network Medical Group, P.C. (Glassboro, 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 Nicholas Orfanidis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Orfanidis accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan and Oscar Health list Nicholas Orfanidis 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 Nicholas Orfanidis affiliated with any hospitals?

According to CMS data, Nicholas Orfanidis is affiliated with Inspira Medical Center Vineland, Inspira Medical Center Mullica Hill and Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for Nicholas Orfanidis was last updated on October 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.