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DR. MICHAEL S LEWIS M.D.
NPI 1306047139
Pathology - Anatomic Pathology & Clinical Pathology in Los Angeles, CA

Active since May 30, 2007PECOS EnrolledAccepts Medicare Assignment
11301 WILSHIRE BLVD RM 1256, LOS ANGELES, CA 90073(310) 478-3711 Get Directions Write a Review

NPPES record last updated: June 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 22, 2024, Jun 13, 2024 (2 updates tracked since 2024).

About Dr. Michael S Lewis M.d. NPPES

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

DR. MICHAEL S LEWIS M.D. (NPI 1306047139) is an individual anatomic pathology & clinical pathology provider in Los Angeles, California, licensed in California (A102134) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Castro Valley, and is a graduate of Boston University School Of Medicine (2004).

NPPES Registry Identity

NPI1306047139
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. MICHAEL S LEWISCredential: M.D.
Location Address11301 WILSHIRE BLVD RM 1256Los Angeles, CA 90073-1003
Mailing Address11301 Wilshire Blvd Rm 1256Los Angeles, CA 90073-1003 · (310) 478-3711
Phone(310) 478-3711
Sole ProprietorYes
Medical School CMSBoston University School Of MedicineGraduated 2004
Enumeration DateMay 30, 2007
Last NPPES UpdateJune 22, 20242 updates tracked since enumeration
NPPES CertifiedJune 22, 2024
✔ NPI 1306047139 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses✔ Licensed in CA · A102134✔ Licensed in NY · 237025
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
11301 WILSHIRE BLVD RM 1256, Los Angeles, CA 90073
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Secondary Practice Location 1

Location 119845 Lake Chabot Rd Ste 104Castro Valley, CA 94546-4055 · Phone (510) 537-4415

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross and Blue Shield of NC, Blue Cross Blue Shield of Michigan Mutual Insurance Company and more.Insurance ›

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. Michael S Lewis 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 ID5294119236
PECOS Enrollment IDI20220825000889, I20240126000654, I20250718000406
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

5

Medicare enrollment records show Michael Lewis reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Digestive Health Associates Of Southern California
2.3 mi
Anatomic Pathology & Clinical Pathology
1301 20TH ST STE 280
Santa Monica, CA 90404
  • Reassigned Medicare billing, California enrollment
  • 57 clinicians in this Medicare group
NPI 1043098619 (310) 829-6789
Gastroenterology Specialists Medical Group, Inc A Medical Corporation
324 mi
Gastroenterology
19845 LAKE CHABOT RD, SUITE 104
Castro Valley, CA 94546
  • Reassigned Medicare billing, California enrollment
  • 8 clinicians in this Medicare group
NPI 1629170998 (510) 537-4415
Mymichigan Medical Center Saginaw
1,945 mi
Family Medicine
1600 BRADY ST
Chesaning, MI 48616
  • Reassigned Medicare billing, Michigan enrollment
  • 125 clinicians in this Medicare group
NPI 1427112101 (989) 845-1800
Digestive Health Consultants, Plc
1,981 mi
Gastroenterology
30055 NORTHWESTERN HIGWAY, SUITE 250
Farmington Hills, MI 48334
  • Reassigned Medicare billing, Michigan enrollment
  • 15 clinicians in this Medicare group
NPI 1710924170 (248) 985-5000
Western Carolina Digestive Consultants PA
1,997 mi
Gastroenterology
26 WESTCARE DRIVE, SUITE 304
Sylva, NC 28779
  • Reassigned Medicare billing, North Carolina enrollment
  • 16 clinicians in this Medicare group
NPI 1790870830 (828) 586-9200

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 4

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
533 services232 patients
Special stained specimen slides to identify organisms including interpretation and report 88312
This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.
34 services29 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
18 services16 patients
Special stained specimen slides to examine tissue including interpretation and report 88313
Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90073 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.

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 Michael Lewis's NPI number?

The NPI number for Michael Lewis is 1306047139. It was assigned to this individual provider in the NPPES registry on May 30, 2007.

Where is Michael Lewis located?

Michael Lewis practices at 11301 Wilshire Blvd Rm 1256, Los Angeles, CA 90073. The listed phone number is (310) 478-3711.

What is Michael Lewis's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Michael Lewis enrolled in Medicare?

Yes. Michael 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.

Which organizations bill Medicare for Michael Lewis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Lewis reassigns Medicare benefits to 5 organizations: Digestive Health Associates Of Southern California (Santa Monica, CA), Gastroenterology Specialists Medical Group, Inc A Medical Corporation (Castro Valley, CA), Mymichigan Medical Center Saginaw (Chesaning, MI), Digestive Health Consultants, Plc (Farmington Hills, MI) and Western Carolina Digestive Consultants PA (Sylva, NC). 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 Michael Lewis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Lewis accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Blue Cross and Blue Shield of NC and Priority Health list Michael Lewis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Michael Lewis was last updated on June 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.