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- 1500 San Pablo St, Los Angeles, CA 90033
About Dr. Barr
Nancy J. Barr, MD practices pathology in Los Angeles, CA. Nancy is a 1982 graduate of University of Michigan Medical School. Nancy is also listed as specializing in anatomic & clinical pathology. According to Medicare claims data, Nancy cared for 559 Medicare patients across 603 services. The services billed most often include screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system and manual rescreening under physician supervision, screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician, and pap test, automated thin layer preparation; automated system and manual rescreening. The provider's National Provider Identifier (NPI) is 1902812878.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (323) 442-2582
- Email not available
Practice Locations
1500 SAN PABLO ST
Los Angeles, CA 90033
Conditions Evaluated or Diagnosed
Within Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Iron-deficiency anemia
- Leukemia
- Lymphoma
- Multiple Myeloma
- Sickle cell disease
Cancer
- Bladder cancer
- Bone tumors
- Brain tumor
- Breast cancer
- Cervical cancer
- Colon cancer
- Endometrial cancer
- Kidney cancer
- Liver cancer
- Lung cancer
- Oral cavity cancer
- Ovarian cancer
- Pancreatic cancer
- Prostate cancer
- Soft-tissue sarcoma
- Stomach cancer
- Testicular cancer
- Thyroid cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Procedures & services
Autopsy & Forensic
Blood Tests
- Blood Clotting Tests
- Blood Type Test
- Cholesterol screening
- Complete Blood Count
- Comprehensive Metabolic Panel
- Hemoglobin A1c Test
- Iron Level Blood Test
- Thyroid Blood Test
Cytology
Cytology & Screening
- Fine-needle aspiration of a neck mass
- Human papillomavirus testing
- Pap Smear Test
- Thyroid Nodule Biopsy Review
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
- Cardiac enzyme blood test
- Pregnancy blood test
- Sed rate inflammation test
- Testosterone blood test
- Vitamin D blood test
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
- Bone Marrow Biopsy Interpretation
- Breast Biopsy Analysis
- Cervical biopsy lab review
- Colon Polyp Testing
- Kidney Biopsy Examination
- Liver Biopsy Examination
- Lung biopsy lab review
- Lymph Node Biopsy Analysis
- Oral biopsy lab review
- Prostate Biopsy Analysis
- Skin Biopsy Lab Review
- Stomach biopsy lab review
- Uterine biopsy lab review
Procedures Most Often Billed to Medicare
603 services · 559 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system and manual rescreening under physician supervision | Billing code | G0145 |
127 | More often than most peers in Pathology |
| Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician | Billing code | G0124 |
113 | More than most peers in Pathology |
| Pap test, automated thin layer preparation; automated system and manual rescreening | Lab test | 88175 |
77 | More often than most peers in Pathology |
| Pap test | Lab test | 88141 |
76 | More than most peers in Pathology |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
69 | More often than most peers in Pathology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
66 | Less often than most peers in Pathology |
| Detection test by nucleic acid for human papillomavirus (hpv), types 16 and 18 only | Lab test | 87625 |
27 | As often as other peers in Pathology |
| Infectious agent detection by nucleic acid (dna or rna); human papillomavirus (hpv), high-risk types (e.g., 16, 18, 31, 33, 35, 39, 45, 51, 52, 56, 58, 59, 68) for cervical cancer screening, must be performed in addition to pap test | Billing code | G0476 |
24 | Less often than most peers in Pathology |
| Detection test by nucleic acid for human papillomavirus (hpv), high-risk types | Lab test | 87624 |
24 | As often as other peers in Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other pathologists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other pathologists in Los Angeles 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Barr specialize in?
Dr. Barr is a pathologist in Los Angeles, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
Where is Dr. Barr located?
Dr. Barr is listed at 1500 San Pablo St, Los Angeles, CA 90033. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Barr's phone number?
The number on file is (323) 442-2582. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Barr's NPI number?
Dr. Barr's National Provider Identifier is 1902812878. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Barr go to medical school?
Dr. Barr attended University of Michigan Medical School, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Barr been practicing?
Dr. Barr has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Barr do most often?
According to Medicare billing data, Dr. Barr the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Barr confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Barr. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.