Physician Profile
Unclaimed ProfileAbout MARSH
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Education & Training
Areas of Expertise
Common questions
What is Dr. Marsh's specialty?
Dr. Marsh is an internal medicine in Toluca Lake, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Marsh?
Dr. Marsh is listed at 4418 VINELAND AVE STE 102, Toluca Lake, CA 91602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Marsh?
The number on file is (818) 842-7145. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Marsh?
Dr. Marsh's National Provider Identifier is 1619992047. 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
What is Dr. Marsh's medical education?
Dr. Marsh attended Other, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Marsh have?
Dr. Marsh has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Marsh known for?
According to Medicare billing data, Dr. Marsh performs procedures including insertion of needle into vein for collection of blood sample and diagnostic exam of nasal passages using an endoscope; provides treatments such as test for allergy using allergenic extract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Marsh's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marsh. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (818) 842-7145
- Email not available
Practice Locations
4418 VINELAND AVE STE 102
Toluca Lake, CA 91602
Procedures Most Often Billed to Medicare
17,192 services · 7,870 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,240 |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
271 |
| Test for allergy using allergenic extract | Treatment | 95004 |
1,360 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
640 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
1,884 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
1,134 |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
1,046 |
| Hemoglobin a1c level | Lab test | 83036 |
1,031 |
| Thyroid hormone, t3 measurement, free | Lab test | 84481 |
1,026 |
| Thyroxine (thyroid chemical), free | Lab test | 84439 |
1,015 |
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 internal medicines at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.