DR. KAREN THERESIA MARCUS M.D.
NPI 1003043993
Psychiatry & Neurology - Psychiatry in Pittsburg, CA

Active since June 17, 2009PECOS EnrolledAccepts Medicare Assignment
2311 LOVERIDGE RD, 2ND FLOOR, PITTSBURG, CA 94565(925) 431-2600(925) 431-2665 Get Directions Write a Review

NPPES record last updated: March 20, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Karen Theresia Marcus M.d. NPPES

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

DR. KAREN THERESIA MARCUS M.D. (NPI 1003043993) is an individual psychiatry provider in Pittsburg, California, licensed in California (A108365) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2007).

NPPES Registry Identity

NPI1003043993
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. KAREN THERESIA MARCUSCredential: M.D.
Location Address2311 LOVERIDGE RD, 2ND FLOORPittsburg, CA 94565-5117
Mailing Address2311 Loveridge Rd, 2nd FloorPittsburg, CA 94565-5117 · (925) 431-2600 · Fax (925) 431-2665
Fax(925) 431-2665
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2007
Enumeration DateJune 17, 2009
Last NPPES UpdateMarch 20, 2012
NPI 1003043993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in CA · A108365
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
2311 LOVERIDGE RD, Pittsburg, CA 94565

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. Karen Theresia Marcus 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 ID8921271289
PECOS Enrollment IDI20111101000690
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.

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.
378 services69 patients
Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
248 services55 patients
Psychotherapy with evaluation and management visit, 45 minutes 90836
Psychotherapy with evaluation and management is a 45-minute session where a healthcare provider discusses your mental and emotional health. They assess your current state, manage any issues, and help you develop coping strategies. This service aims to improve your overall well-being.
125 services38 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
64 services27 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
39 services34 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94565 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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.

Clinic/Center (Family Planning, Non-Surgical)
2311 LOVERIDGE RD
PITTSBURG, CA 94565
Marriage & Family Therapist
2311 LOVERIDGE RD, 2ND FLOOR
PITTSBURG, CA 94565
Physical Therapist
2311 LOVERIDGE RD
PITTSBURG, CA 94565
Pediatrics
2311 LOVERIDGE RD
PITTSBURG, CA 94565
Registered Nurse
2311 LOVERIDGE RD, 2ND FLOOR
PITTSBURG, CA 94565
Psychiatry & Neurology (Psychiatry)
2311 LOVERIDGE RD, 2ND FLOOR
PITTSBURG, CA 94565
Family Medicine
2311 LOVERIDGE RD
PITTSBURG, CA 94565
Clinic/Center (Adult Mental Health)
2311 LOVERIDGE RD, 1ST AND 2ND FLOORS
PITTSBURG, CA 94565

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 Karen Marcus's NPI number?

The NPI number for Karen Marcus is 1003043993. It was assigned to this individual provider in the NPPES registry on June 17, 2009.

Where is Karen Marcus located?

Karen Marcus practices at 2311 Loveridge Rd 2nd Floor, Pittsburg, CA 94565. The listed phone number is (925) 431-2600.

What is Karen Marcus's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Karen Marcus enrolled in Medicare?

Yes. Karen Marcus 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 Karen Marcus was last updated on March 20, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.