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Edit this profileDavid M. Nathan, MD is a healthcare provider in Boston, MA specializing in endocrinology, diabetes & metabolism. David trained at Icahn School of Medicine at Mount Sinai, graduating in 1975. David is also listed as specializing in internal medicine. According to Medicare claims data, David cared for 99 Medicare patients across 123 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, hemoglobin a1c level, and continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report. This provider record is associated with NPI 1902887458.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
50 STANIFORD ST 3RD FLOOR S50 3
Boston, MA 02114
Within Endocrinology, Diabetes and Metabolism generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Adrenal
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Diabetes
Endocrine tumors
Hormone disorders
Hormones
Metabolic disorders
Metabolism
Parathyroid
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Most searched procedures
Adrenal
Adrenal evaluations
Blood sugar management
Bone evaluations
Bone treatments
Diabetes
Diabetes education
Diabetes preventive care
Genetic evaluations
Hormone treatments
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Thyroid
Thyroid procedures
Weight & Metabolism
123 services · 99 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
15 | Less often than most peers in Endocrinology, Diabetes &… |
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
19 | Less often than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
52 | As often as other peers in Endocrinology, Diabetes &… |
| Hemoglobin a1c level | Lab test | 83036 |
20 | Less often than most peers in Endocrinology, Diabetes &… |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
17 | Less often than most peers in Endocrinology, Diabetes &… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Nathan is an endocrinologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
Dr. Nathan is listed at 50 Staniford St 3Rd Floor S50 3, Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 726-2875. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Nathan's National Provider Identifier is 1902887458. 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
Dr. Nathan attended Icahn School of Medicine at Mount Sinai, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
Dr. Nathan has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Nathan performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report, 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 Dr. Nathan. If this is you, claiming it is free.
Guide.md
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