DR. MARK MASSAK D.O.
NPI 1952740532
Radiology - Vascular & Interventional Radiology in Chambersburg, PA

Q: What is Mark Massak's NPI number?

The NPI number for Mark Massak is 1952740532. It was assigned to this individual provider in the NPPES registry on June 18, 2013.

Q: What is Mark Massak's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Q: When was this NPI record last updated?

The NPPES record for Mark Massak was last updated on February 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since June 18, 2013PECOS EnrolledAccepts Medicare Assignment

12 ST. PAUL DRIVE, WELLSPAN RADIOLOGY, CHAMBERSBURG, PA 17201(717) 217-6026 Get Directions Write a Review

NPPES record last updated: February 2, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 2, 2026, Oct 19, 2020, Jun 26, 2020 and 1 more (4 updates tracked since 2020).

On this page

About Dr. Mark Massak D.o. NPPES

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

DR. MARK MASSAK D.O. (NPI 1952740532) is an individual vascular & interventional radiology provider in Chambersburg, Pennsylvania, licensed in Pennsylvania (OS020464) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Wellspan York Hospital, and maintains 9 additional practice locations.

NPPES Registry Identity

NPI1952740532

Entity TypeIndividualMale

Primary Taxonomy2085R0204X

Provider Legal NameDR. MARK MASSAKCredential: D.O.

Location Address12 ST. PAUL DRIVE, WELLSPAN RADIOLOGYChambersburg, PA 17201-1035

Mailing Address601 Memory LnYork, PA 17402-2231

Phone(717) 217-6026

Sole ProprietorNo

Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2013

Enumeration DateJune 18, 2013

Last NPPES UpdateFebruary 2, 20264 updates tracked since enumeration

NPPES CertifiedFebruary 2, 2026

✔ NPI 1952740532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0204X

License✔ Licensed in PA · OS020464

Definition

A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.

12 ST. PAUL DRIVE, Chambersburg, PA 17201

Open in Google Maps ↗

Secondary Practice Locations 9

Location 136 Robinhood DrEtters, PA 17319-9528 · Phone (717) 388-7300

Location 2252 S 4th StLebanon, PA 17042-6111 · Phone (717) 270-7732

Location 3112 North 7th Street, WellSpan RadiologyChambersburg, PA 17201-1720 · Phone (717) 262-4499

Location 4460 N Reading RdEphrata, PA 17522-9606 · Phone (717) 721-4840

Location 5169 Martin AveEphrata, PA 17522-1734 · Phone (717) 738-6414

Location 61201 Letort Springs WayCarlisle, PA 17015-8011 · Phone (717) 674-7600

Location 7147 Gettys StGettysburg, PA 17325-2534 · Phone (717) 337-4207

Location 835 Monument Rd Ste 201York, PA 17403-5074 · Phone (717) 812-4083

Location 914781 Wolfe RdNew Freedom, PA 17349-9571 · Phone (717) 326-1880

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. Mark Massak 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 ID3375847361

PECOS Enrollment IDI20200611000924

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

Wellspan Medical Group

Same address

Podiatrist

12 ST PAUL DR STE 203
Chambersburg, PA 17201

Reassigned Medicare billing, Pennsylvania enrollment
3,080 clinicians in this Medicare group

NPI 1033897228 (717) 264-5211

Geisinger Clinic

44 mi

Family Medicine

56 JAM HOUSE RD
Mifflin, PA 17058

Reassigned Medicare billing, Pennsylvania enrollment
4,429 clinicians in this Medicare group

NPI 1255382651 (717) 436-8986

Geisinger-Hm Joint Venture, LLC

82 mi

Family Medicine

529 HIGH ST
Lock Haven, PA 17745

Reassigned Medicare billing, Pennsylvania enrollment
1,405 clinicians in this Medicare group

NPI 1427604222 (570) 748-8038

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.

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

152 services137 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.

55 services50 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

52 services47 patients

Replacement of kidney drainage tube using imaging guidance with review by radiologist 50435

This procedure involves replacing an existing kidney drainage tube. Using imaging technology, a radiologist precisely guides the process to ensure accuracy. This helps drain excess fluid from kidneys, improving their function and your comfort.

48 services14 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

36 services36 patients

Aspiration of fluid from chest cavity using imaging guidance 32555

This procedure, known as a thoracentesis, involves removing fluid from the space between the lungs and chest wall, called the pleural space. It's performed under imaging guidance to ensure precision. It can help diagnose conditions or relieve symptoms like shortness of breath.

35 services19 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.

26 services19 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

25 services25 patients

Insertion of tunneled central venous tube for infusion (5 years or older) 36558

The insertion of a tunneled central venous tube is a procedure where a thin, flexible tube is placed into a large vein, usually in the neck or chest. This tube allows healthcare providers to give medications, fluids, or nutrients directly into your bloodstream over a longer period.

24 services24 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

19 services19 patients

Biopsy and aspiration of bone marrow sample for diagnosis 38222

A bone marrow biopsy and aspiration is a procedure where a small amount of bone marrow is removed for testing. It involves inserting a needle into a bone, typically the hip, to collect a sample. It can help diagnose various diseases and monitor treatment effectiveness.

17 services17 patients

Needle biopsy of liver through skin 47000

A needle biopsy of the liver through skin is a procedure where a small tissue sample from your liver is collected using a thin needle. This is done to diagnose liver diseases or conditions. It involves inserting the needle through your skin and into your liver.

17 services17 patients

Needle biopsy of kidney 50200

A needle biopsy of the kidney is a medical procedure where a small sample of kidney tissue is removed using a special needle. This is done to examine the tissue under a microscope for any abnormalities. It helps in diagnosing potential kidney conditions.

17 services17 patients

Review by radiologist of ct guidance for needle placement 77012

This process involves a radiologist examining CT scan images to accurately guide a needle's placement within the body. This technique is often used for biopsies or treatments, ensuring precision and safety.

15 services14 patients

Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin 32408

A core needle biopsy of the lung or mediastinum is a procedure where a small sample of tissue is collected using a needle inserted through the skin. This helps in diagnosing lung conditions or diseases in the chest's central cavity. It's a safe and minimally invasive process.

14 services14 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.

13 services13 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.

13 services12 patients

Treatment of broken lower spine bone with placement of stabilizing device 22514

This procedure involves fixing a broken bone in the lower spine. A stabilizing device is inserted to support the bone, promoting healing and reducing pain. The device helps to maintain proper spinal alignment and stability during your recovery period.

11 services11 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.

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.

Wellspan York Hospital

Acute Care Hospitals · York, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390046

Location1001 South George StreetYork, PA 17403 · York County

Emergency services Birthing friendly

Gettysburg Hospital

Acute Care Hospitals · Gettysburg, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390065

Location147 Gettys StreetGettysburg, PA 17325 · Adams County

Emergency services Birthing friendly

Wellspan Waynesboro Hospital

Acute Care Hospitals · Waynesboro, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390138

Location501 East Main StWaynesboro, PA 17268 · Franklin County

Emergency services

Wellspan Chambersburg Hospital

Acute Care Hospitals · Chambersburg, PA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390151

Location112 North Seventh StreetChambersburg, PA 17201 · Franklin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17201 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

$84.88 typical visit price

range $54.64 – $166.87

Typical copayment $21.22 (range $13.66 – $41.71)

Most-billed visit code 99203

Established Patient

$68.36 typical visit price

range $17.33 – $135.84

Typical copayment $17.09 (range $4.33 – $33.96)

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.

Other Providers at the Same Location NPPES 4

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

MELINDA N ACCARDI PA-C

Physician Assistant (Medical)

12 ST. PAUL DRIVE, SUITE 207
CHAMBERSBURG, PA 17201

Franklin County (717) 217-6882

SUMMIT SURGERY CENTER, L.P.

Clinic/Center (Ambulatory Surgical)

12 ST. PAUL DRIVE, SUITE 100
CHAMBERSBURG, PA 17201

Franklin County (717) 217-6720

JOSE GALINDO JR. MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

12 ST. PAUL DRIVE, SUITE 210
CHAMBERSBURG, PA 17201

Franklin County (717) 217-6820

NORLAND AVENUE PHARMACY, LLC

Pharmacy (Community/Retail Pharmacy)

12 ST. PAUL DRIVE, SUITE 105
CHAMBERSBURG, PA 17201

Franklin County (717) 217-6790

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 Massak's NPI number?

The NPI number for Mark Massak is 1952740532. It was assigned to this individual provider in the NPPES registry on June 18, 2013.

Where is Mark Massak located?

Mark Massak practices at 12 St. Paul Drive Wellspan Radiology, Chambersburg, PA 17201. The listed phone number is (717) 217-6026.

What is Mark Massak's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Is Mark Massak enrolled in Medicare?

Yes. Mark Massak 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 Mark Massak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Massak reassigns Medicare benefits to 3 organizations: Wellspan Medical Group (Chambersburg, PA), Geisinger Clinic (Mifflin, PA) and Geisinger-Hm Joint Venture, LLC (Lock Haven, PA). 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 Mark Massak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mark Massak affiliated with any hospitals?

According to CMS data, Mark Massak is affiliated with Wellspan York Hospital, Gettysburg Hospital, Wellspan Waynesboro Hospital and Wellspan Chambersburg Hospital.

When was this NPI record last updated?

The NPPES record for Mark Massak was last updated on February 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.