Physician Profile
Based in Silver Spring, MD, David Heydt, M.D is listed in the NPI registry under pathology. According to Medicare claims data, David cared for 24,914 Medicare patients across 33,109 services. The services billed most often include insertion of needle into vein for collection of blood sample, pathology examination of tissue using a microscope, intermediate complexity, and blood test, comprehensive group of blood chemicals.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
11921 BOURNEFIELD WAY STE 100
Silver Spring, MD 20904
4617 Park Heights Ave
Baltimore, MD 21215
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.
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
Cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Autopsy & Forensic
Blood Tests
Cytology
Cytology & Screening
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
33,109 services · 24,914 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
6,103 | |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | Treatment | 91065 |
603 | |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
3,497 | More than most peers in Pathology |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
2,634 | |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
2,482 | |
| Detection test by nucleic acid for digestive tract pathogen, multiple types or subtypes, 6-11 targets | Lab test | 87506 |
1,587 | |
| Ferritin (blood protein) level | Lab test | 82728 |
1,517 | |
| Iron level | Lab test | 83540 |
1,449 | |
| Iron binding capacity | Lab test | 83550 |
1,446 | |
| Stool calprotectin (protein) level | Lab test | 83993 |
1,420 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
David Heydt is a pathologist in Silver Spring, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
David Heydt is listed at 11921 Bournefield Way Ste 100, Silver Spring, MD 20904. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (240) 737-0080. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
David Heydt's National Provider Identifier is 1194971622. 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
David Heydt attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
David Heydt has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, David Heydt performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as measurement of hydrogen in breath to test for stomach and bowel symptoms, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by David Heydt. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.