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NATHAN L LEWIS MD
NPI 1912923004
Internal Medicine in Pasadena, CA

Active since July 14, 2006PECOS EnrolledAccepts Medicare Assignment
675 S ARROYO PKWY STE 310, PASADENA, CA 91105(626) 796-8181(626) 796-1874 Get Directions Write a Review

NPPES record last updated: October 23, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Nathan L Lewis Md NPPES

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

NATHAN L LEWIS MD (NPI 1912923004) is an individual internal medicine provider in Pasadena, California, licensed in California (G40994) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Pasadena, and is a graduate of Loma Linda University School Of Medicine (1978).

NPPES Registry Identity

NPI1912923004
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNATHAN L LEWISCredential: MD
Location Address675 S ARROYO PKWY STE 310Pasadena, CA 91105
Mailing Address675 S Arroyo Pkwy Ste 310Pasadena, CA 91105-3264 · (626) 796-8181 · Fax (626) 796-1874
Phone(626) 796-8181
Fax(626) 796-1874
Sole ProprietorYes
Medical School CMSLoma Linda University School Of MedicineGraduated 1978
Enumeration DateJuly 14, 2006
Last NPPES UpdateOctober 23, 2018
✔ NPI 1912923004 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 · G40994
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.
675 S ARROYO PKWY STE 310, Pasadena, CA 91105
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Secondary Practice Location 1

Location 148 N El Molino Ave, Suite 201Pasadena, CA 91101-1861 · Phone (626) 796-8181 · Fax (626) 796-1874

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

Nathan L Lewis 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 ID3173692498
PECOS Enrollment IDI20101203000350
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 5

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 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.
293 services105 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
155 services26 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
49 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.
31 services31 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.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 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 3

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers16 claims16 services$14.86 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier12 claims12 services$3.30 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
3 suppliers17 claims17 services$67.44 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 2

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

WEPAIR HEALTH FOUNDATION
Community/Behavioral Health
675 S ARROYO PKWY STE 310
PASADENA, CA 91105
Los Angeles County (626) 379-4335
NL LEWIS MD A PROFESSIONAL CORPORATION
Internal Medicine
675 S ARROYO PKWY STE 310
PASADENA, CA 91105
Los Angeles County (626) 796-8181

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 Nathan Lewis's NPI number?

The NPI number for Nathan Lewis is 1912923004. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is Nathan Lewis located?

Nathan Lewis practices at 675 S Arroyo Pkwy Ste 310, Pasadena, CA 91105. The listed phone number is (626) 796-8181.

What is Nathan Lewis's specialty?

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

Is Nathan Lewis enrolled in Medicare?

Yes. Nathan Lewis 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 Nathan Lewis was last updated on October 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.