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DR. LAURENCE ATHOS M.D.
NPI 1194898510
Internal Medicine - Pulmonary Disease in Castro Valley, CA

Active since November 15, 2006PECOS Enrolled
19830 LAKE CHABOT RD, SUITE D, CASTRO VALLEY, CA 94546(510) 889-1677(510) 889-5823 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Laurence Athos M.d. NPPES

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

DR. LAURENCE ATHOS M.D. (NPI 1194898510) is an individual pulmonary disease provider in Castro Valley, California, licensed in California (G34546) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194898510
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. LAURENCE ATHOSCredential: M.D.
Location Address19830 LAKE CHABOT RD, SUITE DCastro Valley, CA 94546-4063
Mailing Address19830 Lake Chabot Rd, Suite DCastro Valley, CA 94546-4063 · (510) 889-1677 · Fax (510) 889-5823
Phone(510) 889-1677
Fax(510) 889-5823
Sole ProprietorYes
Enumeration DateNovember 15, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1194898510 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in CA · G34546
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.
19830 LAKE CHABOT RD, Castro Valley, CA 94546
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Other Identifiers 3

Medicare ID-Type Unspecified00G34646
Medicaid00G345460CA
Medicare UPINA45968

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Laurence Athos M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Laurence Athos reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dr Aditya Jain MD Inc
2.2 mi
Internal Medicine
1532 150TH AVE
San Leandro, CA 94578
  • Reassigned Medicare billing, California enrollment
  • 9 clinicians in this Medicare group
NPI 1629405618 (510) 351-6363

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 9

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.
263 services127 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.
148 services77 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.
80 services75 patients
Test to measure rate of airflow 94375
This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.
49 services48 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
46 services46 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.
35 services35 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 15

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
8 suppliers33 claims61 services$5.65 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
2 suppliers16 claims28 services$1.28 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
6 suppliers11 claims11 services$15.37 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers14 claims72 services$1.81 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
1 supplier27 claims27 services$14.99 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
1 supplier12 claims12 services$768.64 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 4

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

LAURENCE ATHOS M D INC
Internal Medicine (Pulmonary Disease)
19830 LAKE CHABOT RD, SUITE D
CASTRO VALLEY, CA 94546
Alameda County (510) 889-1677
DAVID C. BRADSHAW, M.D. APC
Physical Medicine & Rehabilitation
19830 LAKE CHABOT RD, SUITE C
CASTRO VALLEY, CA 94546
Alameda County (510) 964-0458
DAVID C BRADSHAW MD PC
Physical Medicine & Rehabilitation
19830 LAKE CHABOT RD, STE C
CASTRO VALLEY, CA 94546
Alameda County (510) 537-7873
BAY AREA REHABILITATION MEDICAL GROUP
Physical Medicine & Rehabilitation
19830 LAKE CHABOT RD, STE C
CASTRO VALLEY, CA 94546
Alameda County (510) 537-7873

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 Laurence Athos's NPI number?

The NPI number for Laurence Athos is 1194898510. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Laurence Athos located?

Laurence Athos practices at 19830 Lake Chabot Rd Suite D, Castro Valley, CA 94546. The listed phone number is (510) 889-1677.

What is Laurence Athos's specialty?

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

Is Laurence Athos enrolled in Medicare?

Yes. Laurence Athos is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Laurence Athos's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Laurence Athos reassigns Medicare benefits to Dr Aditya Jain MD Inc (San Leandro, CA). The 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 Laurence Athos's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Laurence Athos was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.