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MARK PATRICK LEWIS MD
NPI 1891985800
Internal Medicine in Mountain View, CA

Active since July 26, 2007PECOS Enrolled
8.99/100
CMS Quality Rating
2204 GRANT RD STE 105, MOUNTAIN VIEW, CA 94040(650) 967-8890 Get Directions Write a Review

NPPES record last updated: December 15, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Patrick Lewis Md NPPES

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

MARK PATRICK LEWIS MD (NPI 1891985800) is an individual internal medicine provider in Mountain View, California, licensed in California (A96667) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2005).

NPPES Registry Identity

NPI1891985800
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK PATRICK LEWISCredential: MD
Location Address2204 GRANT RD STE 105Mountain View, CA 94040-3877
Mailing Address2204 Grant Rd Ste 105Mountain View, CA 94040-3877 · (650) 967-8890
Phone(650) 967-8890
Sole ProprietorYes
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2005
Enumeration DateJuly 26, 2007
Last NPPES UpdateDecember 15, 2009
✔ NPI 1891985800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A96667
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2204 GRANT RD STE 105, Mountain View, CA 94040
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Patrick Lewis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID840353108
PECOS Enrollment IDI20090113000262
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 13

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.
469 services234 patients
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.
441 services56 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
209 services208 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.
194 services140 patients
Telephone medical discussion with physician, 5-10 minutes 99441
A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.
192 services123 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
85 services53 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94040 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

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.

8.99/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0
Cost29.97

Referred Medical Equipment & Supplies CMS DME claims 4

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
13 suppliers29 claims82 services$6.45 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
2 suppliers14 claims14 services$21.45 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
3 suppliers18 claims18 services$8.10 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims12 services$185.34 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

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

SARA RATIA
Acupuncturist
2204 GRANT RD STE 105
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 450-8297

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 Lewis's NPI number?

The NPI number for Mark Lewis is 1891985800. It was assigned to this individual provider in the NPPES registry on July 26, 2007.

Where is Mark Lewis located?

Mark Lewis practices at 2204 Grant Rd Ste 105, Mountain View, CA 94040. The listed phone number is (650) 967-8890.

What is Mark Lewis's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mark Lewis enrolled in Medicare?

Yes. Mark Lewis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Lewis was last updated on December 15, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.