DR. STAVROPOULA IOANNIS TJOUMAKARIS MD
NPI 1629286018
Neurological Surgery in Philadelphia, PA

Q: What is Stavropoula Tjoumakaris's NPI number?

The NPI number for Stavropoula Tjoumakaris is 1629286018. It was assigned to this individual provider in the NPPES registry on May 18, 2007.

Q: What is Stavropoula Tjoumakaris's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Active since May 18, 2007PECOS EnrolledAccepts Medicare Assignment

909 WALNUT STREET, 2RD FLOOR, JEFFERSON NEUROSURGICAL ASSOCIATES, PHILADELPHIA, PA 19107(215) 955-7000(215) 503-7007 Get Directions Write a Review

NPPES record last updated: May 22, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Stavropoula Ioannis Tjoumakaris Md NPPES

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

DR. STAVROPOULA IOANNIS TJOUMAKARIS MD (NPI 1629286018) is an individual neurological surgery provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD434545) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (2003).

NPPES Registry Identity

NPI1629286018

Entity TypeIndividualFemale

Primary Taxonomy207T00000X

Provider Legal NameDR. STAVROPOULA IOANNIS TJOUMAKARISCredential: MD

Location Address909 WALNUT STREET, 2RD FLOOR, JEFFERSON NEUROSURGICAL ASSOCIATESPhiladelphia, PA 19107-5211

Mailing Address909 Walnut St, 2nd FloorPhiladelphia, PA 19107-5211 · (215) 955-7000 · Fax (215) 503-7007

Phone(215) 955-7000

Fax(215) 503-7007

Sole ProprietorNo

Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 2003

Enumeration DateMay 18, 2007

Last NPPES UpdateMay 22, 2014

✔ NPI 1629286018 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207T00000X

Licenses✔ Licensed in PA · MD434545✔ Licensed in NJ · 25MA08528700

Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

909 WALNUT STREET, 2RD FLOOR, Philadelphia, PA 19107

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Other Identifiers 4

Medicare PIN802229NJ

Medicare PIN157084PAGPA

Medicaid1023224090001PA

Medicaid0200336NJ

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. Stavropoula Ioannis Tjoumakaris 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 ID5496808255

PECOS Enrollment IDI20090728000147

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 Stavropoula Tjoumakaris reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Jefferson University Physicians

0.1 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

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

Atlanticare Regional Medical Center

56 mi

Neurological Surgery

1925 PACIFIC AVE
Atlantic City, NJ 08401

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

NPI 1255764841 (609) 572-8600

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 17

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 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.

159 services73 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

97 services79 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.

83 services78 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.

57 services55 patients

Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 36224

This procedure involves placing a small tube into your neck artery. It helps diagnose or treat certain conditions. A radiologist, a doctor specializing in medical imaging, reviews the process to ensure accuracy and safety.

49 services39 patients

Insertion of tube into brain artery for diagnosis or treatment with review by radiologist 36226

This procedure involves inserting a thin tube into a brain artery. It aids in diagnosing or treating brain conditions. A radiologist reviews the process to ensure accuracy and safety. It's a critical step in managing brain health effectively.

46 services41 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.

45 services39 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

34 services23 patients

Insertion of tube into intracranial artery for diagnosis or treatment with review by radiologist 36223

This procedure involves placing a tube into an artery in the brain. It's typically done for diagnostic purposes or treatment. A radiologist, a doctor specializing in imaging, reviews the process to ensure accuracy and safety.

27 services26 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.

27 services27 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.

23 services22 patients

Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist 36227

This procedure involves placing a small tube into an artery in your neck. This is done to diagnose or treat certain conditions. A radiologist, a doctor who specializes in medical imaging, will review the procedure to ensure everything is done correctly.

19 services14 patients

Occlusion of central nervous system or spinal cord artery 61624

This procedure involves blocking a central nervous system or spinal cord artery to prevent blood flow. It's typically done to treat conditions like aneurysms or vascular malformations. It can help prevent strokes, bleeding, or other serious issues.

18 services17 patients

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

17 services15 patients

Review by radiologist of image for insertion of material to block blood flow 75894

This procedure involves a radiologist examining an image to plan the placement of a substance that will block blood flow in a specific area. This is usually done to prevent bleeding or to cut off the blood supply to a growth.

16 services15 patients

Imaging of blood vessel 75898

Imaging of blood vessels, also known as vascular imaging, is a non-invasive procedure that allows doctors to view the condition of your blood vessels. It employs techniques like ultrasound, CT scan, or MRI to capture images, enabling the detection of blockages or abnormalities.

15 services13 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

Hospital Affiliations CMS Care Compare 3

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

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

Doylestown Hospital

Acute Care Hospitals · Doylestown, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390203

Location595 West State StDoylestown, PA 18901 · Bucks County

Emergency services Birthing friendly

Riddle Memorial Hospital

Acute Care Hospitals · Media, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390222

Location1068 West Baltimore PikeMedia, PA 19063 · Delaware 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

$74.47 typical visit price

range $19.30 – $147.29

Typical copayment $18.61 (range $4.82 – $36.82)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Stavropoula Tjoumakaris's NPI number?

The NPI number for Stavropoula Tjoumakaris is 1629286018. It was assigned to this individual provider in the NPPES registry on May 18, 2007.

Where is Stavropoula Tjoumakaris located?

Stavropoula Tjoumakaris practices at 909 Walnut Street, 2rd Floor Jefferson Neurosurgical Associates, Philadelphia, PA 19107. The listed phone number is (215) 955-7000.

What is Stavropoula Tjoumakaris's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Stavropoula Tjoumakaris enrolled in Medicare?

Yes. Stavropoula Tjoumakaris 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 Stavropoula Tjoumakaris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stavropoula Tjoumakaris reassigns Medicare benefits to 3 organizations: Jefferson University Physicians (Philadelphia, PA), Jefferson University Physicians Of New Jersey, P.C. (Voorhees, NJ) and Atlanticare Regional Medical Center (Atlantic City, 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 Stavropoula Tjoumakaris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stavropoula Tjoumakaris accept?

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

According to CMS data, Stavropoula Tjoumakaris is affiliated with Thomas Jefferson University Hospital, Doylestown Hospital and Riddle Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Stavropoula Tjoumakaris was last updated on May 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.