MR. MARK TAN M.D.
NPI 1083770580
Internal Medicine - Rheumatology in Smithtown, NY

Q: What is Mark Tan's NPI number?

The NPI number for Mark Tan is 1083770580. It was assigned to this individual provider in the NPPES registry on December 29, 2006.

Q: What is Mark Tan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Mark Tan was last updated on July 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 December 29, 2006PECOS EnrolledAccepts Medicare Assignment

0/100

CMS Quality Rating

222 MIDDLE COUNTRY ROAD, SUITE 312, SMITHTOWN, NY 11787(631) 724-8900(631) 724-8901 Get Directions Write a Review

NPPES record last updated: July 27, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Mr. Mark Tan M.d. NPPES

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

MR. MARK TAN M.D. (NPI 1083770580) is an individual rheumatology provider in Smithtown, New York, licensed in New York (165674) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (1983).

NPPES Registry Identity

NPI1083770580

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameMR. MARK TANCredential: M.D.

Location Address222 MIDDLE COUNTRY ROAD, SUITE 312Smithtown, NY 11787

Mailing Address222 Middle Country Road, Suite 312Smithtown, NY 11787 · (631) 724-8900 · Fax (631) 724-8901

Phone(631) 724-8900

Fax(631) 724-8901

Sole ProprietorYes

Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 1983

Enumeration DateDecember 29, 2006

Last NPPES UpdateJuly 27, 2011

✔ NPI 1083770580 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in NY · 165674

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

222 MIDDLE COUNTRY ROAD, Smithtown, NY 11787

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Other Identifiers 3

Medicare UPINC58894NY

Medicaid00986705NY

Medicare ID-Type Unspecified59H071

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Mark Tan 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 ID4789672049

PECOS Enrollment IDI20040504001748

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.

Areas of Expertise CMS Part B claims 23

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.

Injection, rituximab, 10 mg J9312

Rituximab is a medication given via injection. It's used to treat certain types of cancer and autoimmune diseases. The 10 mg dosage refers to the amount of the drug in the injection. It works by targeting and destroying specific cells, helping your body's immune system.

4,700 services20 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

4,500 services50 patients

Injection, infliximab, excludes biosimilar, 10 mg J1745

Infliximab is a medication given via injection to treat certain autoimmune conditions. It works by blocking the action of a substance in your body that causes inflammation. Each dose is based on your medical condition and response to treatment.

4,450 services12 patients

Injection, lidocaine hcl for intravenous infusion, 10 mg J2001

Lidocaine HCL is a medication used to decrease pain or discomfort. In this procedure, it's given through an IV infusion, which means it's slowly injected into your vein. It's often used during minor surgeries or procedures to help keep you comfortable.

684 services80 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

583 services318 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

525 services213 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.

355 services245 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

313 services112 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.

304 services64 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

301 services93 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.

278 services187 patients

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose J7321

Hyaluronan or derivatives like Hyalgan, Supartz, or Visco-3, are used in intra-articular injections for joint pain relief. They help by improving joint lubrication, reducing inflammation, and promoting tissue healing. Each dose is administered directly into the joint space.

260 services40 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

214 services41 patients

Injection, ketorolac tromethamine, per 15 mg J1885

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

180 services77 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

148 services83 patients

Injection, methylprednisolone acetate, 80 mg J1040

Methylprednisolone acetate is a strong anti-inflammatory medication. It is often given as an 80 mg injection to reduce inflammation and pain. It's commonly used for conditions like arthritis, allergic disorders, or other inflammatory diseases.

126 services44 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

85 services34 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

75 services45 patients

Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 96366

This procedure involves delivering medication, fluids, or nutrients directly into your vein. This is done to treat, prevent, or diagnose various conditions. Each additional hour refers to the extended time you may need to receive these substances for optimal results.

62 services26 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

59 services24 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.

49 services49 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.

48 services48 patients

Injection of trigger points, 1-2 muscles 20552

Trigger point injection is a procedure used to treat painful areas of muscle that contain trigger points, or knots of muscle that form when muscles do not relax. 1-2 muscles are typically treated in one session. The procedure involves injecting medications into these points to alleviate pain.

22 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11787 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

$154.28 typical visit price

range $67.40 – $203.53

Typical copayment $38.57 (range $16.85 – $50.88)

Most-billed visit code 99204

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

0/100

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

Individually scored

Quality

Improvement Activities

Other Providers at the Same Location NPPES 6

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

SPORTS PHYSICAL THERAPY OCCUPATIONAL THERAPY AND REHABILITATION SERVIC

Physical Therapist (Hand)

222 MIDDLE COUNTRY ROAD, SUITE 103
SMITHTOWN, NY 11787

Suffolk County (631) 719-9200

DR. CHRISTOPHER A BURKE M.D.

Psychiatry & Neurology (Psychiatry)

222 MIDDLE COUNTRY ROAD, SUITE 310
SMITHTOWN, NY 11787

Suffolk County (631) 265-1622

PHYSICAL THERAPY EXPERIENCE PLLC

Physical Therapist

222 MIDDLE COUNTRY ROAD, SUITE 105
SMITHTOWN, NY 11787

Suffolk County (631) 724-5788

MR. JASON PAUL LANTZ PT ATC

Specialist/Technologist (Athletic Trainer)

222 MIDDLE COUNTRY ROAD, SUITE 201
SMITHTOWN, NY 11787

Suffolk County (631) 382-4043

JAFAR KOLAHIFAR MD

Psychiatry & Neurology (Psychiatry)

222 MIDDLE COUNTRY ROAD, SUITE #219
SMITHTOWN, NY 11787

Suffolk County (631) 979-9889

BARRY A. SOLOMON MD, JD, FAAD

Dermatology

222 MIDDLE COUNTRY ROAD, SUITE 228
SMITHTOWN, NY 11787

Suffolk County (516) 364-4200

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 Mark Tan's NPI number?

The NPI number for Mark Tan is 1083770580. It was assigned to this individual provider in the NPPES registry on December 29, 2006.

Where is Mark Tan located?

Mark Tan practices at 222 Middle Country Road Suite 312, Smithtown, NY 11787. The listed phone number is (631) 724-8900.

What is Mark Tan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Mark Tan enrolled in Medicare?

Yes. Mark Tan 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.

When was this NPI record last updated?

The NPPES record for Mark Tan was last updated on July 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.