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MARK S LYTLE PSY.D.
NPI 1801956198
Psychologist - Clinical in San Diego, CA

Active since December 09, 2006PECOS EnrolledAccepts Medicare Assignment
11280 TRIBUNA AVE, SAN DIEGO, CA 92131(858) 566-4748(858) 566-4748 Get Directions Write a Review

NPPES record last updated: March 5, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark S Lytle Psy.d. NPPES

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

MARK S LYTLE PSY.D. (NPI 1801956198) is an individual clinical provider in San Diego, California, licensed in California (PSY12089) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1980).

NPPES Registry Identity

NPI1801956198
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameMARK S LYTLECredential: PSY.D.
Location Address11280 TRIBUNA AVESan Diego, CA 92131-1929
Mailing Address11280 Tribuna AveSan Diego, CA 92131-1929 · (858) 566-4748 · Fax (858) 566-4748
Phone(858) 566-4748
Fax(858) 566-4748
Sole ProprietorNo
Medical School CMSOtherGraduated 1980
Enumeration DateDecember 9, 2006
Last NPPES UpdateMarch 5, 2011
✔ NPI 1801956198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY12089
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
11280 TRIBUNA AVE, San Diego, CA 92131
Open in Google Maps ↗

Other Identifiers 5

Other0PL120890CA · Blue Shield
MedicaidPSY120892CA
Medicare ID-Type Unspecified0PL120891CA · Northern California
Medicare ID-Type Unspecified680007123CA · Railroad Medicare
Medicare ID-Type UnspecifiedCP12089CA · Southern California

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

Mark S Lytle Psy.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 ID3577745777
PECOS Enrollment IDI20110309000648
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 Mark Lytle reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mark Lytle Associates A Psychology Corporation
12 mi
Clinical
3636 4TH AVE, #302
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
NPI 1679875520 (858) 566-4748

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

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.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
154 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92131 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
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
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.

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 Lytle's NPI number?

The NPI number for Mark Lytle is 1801956198. It was assigned to this individual provider in the NPPES registry on December 9, 2006.

Where is Mark Lytle located?

Mark Lytle practices at 11280 Tribuna Ave, San Diego, CA 92131. The listed phone number is (858) 566-4748.

What is Mark Lytle's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Mark Lytle enrolled in Medicare?

Yes. Mark Lytle 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 organization bills Medicare for Mark Lytle's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Lytle reassigns Medicare benefits to Mark Lytle Associates A Psychology Corporation (San Diego, 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 Mark Lytle'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 Mark Lytle was last updated on March 5, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.