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DR. HOWARD S LYON MD
NPI 1164459764
Internal Medicine in San Diego, CA

Active since June 27, 2006PECOS EnrolledAccepts Medicare Assignment
4077 FIFTH AVE, MER127, SAN DIEGO, CA 92103(619) 994-6558(619) 686-3874 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Howard S Lyon Md NPPES

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

DR. HOWARD S LYON MD (NPI 1164459764) is an individual internal medicine provider in San Diego, California, licensed in California (G70629) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (1989).

NPPES Registry Identity

NPI1164459764
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. HOWARD S LYONCredential: MD
Location Address4077 FIFTH AVE, MER127San Diego, CA 92103-2105
Mailing Address501 Washington St, Suite 600San Diego, CA 92103-2231 · (619) 278-3300 · Fax (619) 278-3310
Phone(619) 994-6558
Fax(619) 686-3874
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 1989
Enumeration DateJune 27, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1164459764 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 · G70629
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.
4077 FIFTH AVE, San Diego, CA 92103
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Other Identifiers 1

Medicare UPINF98987CA

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

Dr. Howard S Lyon 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 ID7517135866
PECOS Enrollment IDI20110713000111
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 3

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.

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.
91 services43 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
79 services42 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.
67 services66 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92103 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

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.

BRIAN BUTLER M.D.
Hospitalist
4077 FIFTH AVE
SAN DIEGO, CA 92103
San Diego County (619) 686-3935
DR. SCOT NOLAN DNP, RN, CNS
Clinical Nurse Specialist (Critical Care Medicine)
4077 FIFTH AVE
SAN DIEGO, CA 92103
San Diego County (619) 686-3595
DR. ARASH ABIRI MD, PHD
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE
SAN DIEGO, CA 92103
San Diego County (185) 883-2247
BRIANNA ELISE LIPSEY RN, BSN
Registered Nurse (Neuroscience)
4077 FIFTH AVE
SAN DIEGO, CA 92103
San Diego County (858) 832-2478
PAUL JIN HAN M.D.
Internal Medicine
4077 FIFTH AVE, MER 35
SAN DIEGO, CA 92103
San Diego County (619) 260-7022
CHRISTIAN NGUYEN KELLY
Emergency Medicine
4077 FIFTH AVE
SAN DIEGO, CA 92103
San Diego County (619) 294-8111
LINA MOHAMMED DO
Student in an Organized Health Care Education/Training Program
4077 FIFTH AVE
SAN DIEGO, CA 92103
San Diego County (619) 260-7220
AMY MARIE SANTOS CCRN, MSN, ACNP
Nurse Practitioner (Acute Care)
4077 FIFTH AVE, TRAUMA SERVICES, MER62
SAN DIEGO, CA 92103
San Diego County (619) 260-7285

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 Howard Lyon's NPI number?

The NPI number for Howard Lyon is 1164459764. It was assigned to this individual provider in the NPPES registry on June 27, 2006.

Where is Howard Lyon located?

Howard Lyon practices at 4077 Fifth Ave Mer127, San Diego, CA 92103. The listed phone number is (619) 994-6558.

What is Howard Lyon's specialty?

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

Is Howard Lyon enrolled in Medicare?

Yes. Howard Lyon 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 Howard Lyon 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.