MARK D WEISSIG M.D.
NPI 1649266032
Internal Medicine - Pulmonary Disease in Fullerton, CA

Q: What is Mark Weissig's NPI number?

The NPI number for Mark Weissig is 1649266032. It was assigned to this individual provider in the NPPES registry on September 21, 2005.

Q: What is Mark Weissig's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Mark Weissig was last updated on April 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 September 21, 2005PECOS EnrolledAccepts Medicare Assignment

2141 N HARBOR BLVD, SUITE 25000, FULLERTON, CA 92835(714) 626-8610(714) 626-8655 Get Directions Write a Review

NPPES record last updated: April 25, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mark D Weissig M.d. NPPES

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

MARK D WEISSIG M.D. (NPI 1649266032) is an individual pulmonary disease provider in Fullerton, California, licensed in California (G49175) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (1980).

NPPES Registry Identity

NPI1649266032

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameMARK D WEISSIGCredential: M.D.

Location Address2141 N HARBOR BLVD, SUITE 25000Fullerton, CA 92835-3827

Mailing Address279 Imperial Hwy, Suite 730Fullerton, CA 92835-1041 · (714) 449-4800 · Fax (714) 449-4956

Phone(714) 626-8610

Fax(714) 626-8655

Sole ProprietorNo

Medical School CMSDuke University School Of MedicineGraduated 1980

Enumeration DateSeptember 21, 2005

Last NPPES UpdateApril 25, 2013

✔ NPI 1649266032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in CA · G49175

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License G49175 (CA)

2141 N HARBOR BLVD, Fullerton, CA 92835

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Other Identifiers 2

Medicare PINWG49175FCA

Medicare UPINA51285CA

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

Mark D Weissig 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 ID3375525561

PECOS Enrollment IDI20040602000712

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 6

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 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.

775 services404 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.

352 services227 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

136 services133 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

102 services101 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

101 services100 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.

89 services89 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92835 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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 27

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

1 supplier13 claims28 services$18.30 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

10 suppliers125 claims125 services$33.86 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

12 suppliers55 claims55 services$71.04 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

9 suppliers49 claims131 services$26.49 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

13 suppliers79 claims448 services$15.73 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

12 suppliers91 claims521 services$12.58 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

16 suppliers179 claims179 services$44.06 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

17 suppliers137 claims137 services$15.42 avg. paid by Medicare

Chinstrap used with positive airway pressure device A7036

DME-Other DME · category DE001N

6 suppliers31 claims31 services$9.22 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

14 suppliers92 claims92 services$10.48 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

16 suppliers201 claims1,175 services$1.69 avg. paid by Medicare

Filter, non disposable, used with positive airway pressure device A7039

DME-Other DME · category DE001N

7 suppliers32 claims32 services$5.25 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

15 suppliers78 claims78 services$10.56 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

4 suppliers23 claims23 services$14.16 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

2 suppliers12 claims12 services$772.73 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

6 suppliers45 claims45 services$65.48 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0471

DME-Other DME · category DE001N

3 suppliers26 claims26 services$173.90 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

8 suppliers16 claims16 services$106.61 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers22 claims22 services$3.83 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

13 suppliers156 claims159 services$25.10 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

6 suppliers116 claims116 services$64.07 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

6 suppliers50 claims50 services$31.40 avg. paid by Medicare

Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier13 claims832 services$35.68 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

4 suppliers12 claims1,940 services$0.03 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

8 suppliers39 claims3,125 services$0.08 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

2 suppliers41 claims41 services$30.98 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

10 suppliers38 claims38 services$22.69 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.

DR. LISBETH MARIE KEPLINGER D.P.M.

Podiatrist (Foot & Ankle Surgery)

2141 N HARBOR BLVD, SUITE 35000
FULLERTON, CA 92835

Orange County (714) 626-8674

BRADLEY BORSARI MD

Internal Medicine

2141 N HARBOR BLVD, SUITE 25000
FULLERTON, CA 92835

Orange County (714) 626-8610

DR. CARL C CHEN M.D.

Orthopaedic Surgery (Hand Surgery)

2141 N HARBOR BLVD, SUITE 35000
FULLERTON, CA 92835

Orange County (714) 626-8630

DR. BRIAN SOMOANO M.D.

Dermatology

2141 N HARBOR BLVD, SUITE 25000
FULLERTON, CA 92835

Orange County (714) 626-8610

KIARASH KHAJAVI M.D.

Orthopaedic Surgery

2141 N HARBOR BLVD, SUITE 35000
FULLERTON, CA 92835

Orange County (714) 626-8630

MIKEL WHITING MD

Orthopaedic Surgery

2141 N HARBOR BLVD, STE 35000
FULLERTON, CA 92835

Orange County (714) 626-8630

MICHAEL TSINBERG MD

Surgery

2141 N HARBOR BLVD, SUITE 35000
FULLERTON, CA 92835

Orange County (714) 626-8630

STEWART LLOYD SHANFIELD M.D.

Orthopaedic Surgery

2141 N HARBOR BLVD, SUITE 35000
FULLERTON, CA 92835

Orange County (714) 626-8630

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 Weissig's NPI number?

The NPI number for Mark Weissig is 1649266032. It was assigned to this individual provider in the NPPES registry on September 21, 2005.

Where is Mark Weissig located?

Mark Weissig practices at 2141 N Harbor Blvd Suite 25000, Fullerton, CA 92835. The listed phone number is (714) 626-8610.

What is Mark Weissig's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Mark Weissig enrolled in Medicare?

Yes. Mark Weissig 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 Weissig was last updated on April 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.