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Edit this profileAt a glance
- 1150 Saint Nicholas Ave, 2Nd Floor, New York, NY 10032
About Dr. Freeby
Matthew J. Freeby, M.D. practices endocrinology, diabetes & metabolism in New York, NY. Matthew is also listed as specializing in specialist. According to Medicare claims data, Matthew cared for 830 Medicare patients across 1,753 services. The services billed most often include diabetes outpatient self-management training services, individual, per 30 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. The provider's National Provider Identifier (NPI) is 1013189646.
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
- (212) 851-5494
- Email not available
Practice Locations
1150 SAINT NICHOLAS AVE 2ND FLOOR
New York, NY 10032
Conditions Commonly Evaluated or Treated
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.
Conditions
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Most searched conditions
Adrenal
Diabetes
Endocrine tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
Metabolic disorders
Metabolism
Parathyroid
Procedures & services
Adrenal
Adrenal evaluations
Blood sugar management
Bone evaluations
Bone treatments
Diabetes
- Automated Insulin System Setup
- Blood Ketone Monitoring
- C-Peptide Test
- Continuous Glucose Monitor Data Review
- Starting Insulin Therapy
- Medical nutrition therapy
Diabetes education
Genetic evaluations
Hormone treatments
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
- Estrogen and Progesterone Therapy
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Routine Blood Tests
Thyroid
Thyroid procedures
- Thyroid Antibody Testing
- Thyroid Medication Adjustment
- Radioactive Iodine Treatment
- Thyroid Blood Test
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
Women's health
Most searched procedures
Diabetes preventive care
Procedures Most Often Billed to Medicare
1,753 services · 830 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
106 | More 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 |
41 | More often than most peers in Endocrinology, Diabetes &… |
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin | Treatment | 95249 |
13 | Less often than most peers in Endocrinology, Diabetes &… |
| Diabetes outpatient self-management training services, individual, per 30 minutes | Billing code | G0108 |
523 | More than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
259 | More often than most peers in Endocrinology, Diabetes &… |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
157 | More often than most peers in Endocrinology, Diabetes &… |
| Hemoglobin a1c level | Lab test | 83036 |
139 | More often than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
122 | More often than most peers in Endocrinology, Diabetes &… |
| Blood glucose (sugar) level | Lab test | 82947 |
112 | More often than most peers in Endocrinology, Diabetes &… |
| Diabetes outpatient self-management training services, group session (2 or more), per 30 minutes | Billing code | G0109 |
91 | 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.
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 endocrinologists at this location 6
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 endocrinologists in New York 7
Same specialty, same city.
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 2002 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 8
Providers in NY who bill this service to Medicare most often.
Common questions
What is Matthew J. Freeby's specialty?
Matthew J. Freeby is an endocrinologist in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
Where can I find Matthew J. Freeby?
Matthew J. Freeby is listed at 1150 Saint Nicholas Ave 2Nd Floor, New York, NY 10032. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Matthew J. Freeby?
The number on file is (212) 851-5494. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Matthew J. Freeby's NPI number?
Matthew J. Freeby's National Provider Identifier is 1013189646. 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 Matthew J. Freeby's education?
Matthew J. Freeby attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Matthew J. Freeby been practicing?
Matthew J. Freeby has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Matthew J. Freeby known for?
According to Medicare billing data, Matthew J. Freeby provides treatments such as continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report and continuous monitoring of blood sugar level in tissue fluid using sensor under skin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Matthew J. Freeby confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Matthew J. Freeby. If this is you, claiming it is free.
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