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Edit this profileAt a glance
- 1243 S Cedar Crest Blvd, Suite 2800, Allentown, PA 18103
About Dr. Lee
Ya-Yu Lee, MD is a healthcare provider in Allentown, PA specializing in endocrinology, diabetes & metabolism. Medicare claims data shows Ya-Yu provided 39,338 services to 1,739 patients. The services billed most often include injection, denosumab, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and injection of drug or substance under skin or into muscle. This provider record is associated with NPI 1235271545.
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
- (610) 402-6790
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1243 S CEDAR CREST BLVD SUITE 2800
Allentown, PA 18103
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
39,338 services · 1,739 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
630 | More than most peers in Endocrinology, Diabetes &… |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
57 | More often than most peers in Endocrinology, Diabetes &… |
| Injection, denosumab, 1 mg | Drug given | J0897 |
37,320 | More than most peers in Endocrinology, Diabetes &… |
| Injection, zoledronic acid, 1 mg | Drug given | J3489 |
290 | 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 |
783 | 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 |
116 | More often than most peers in Endocrinology, Diabetes &… |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
61 | More often than most peers in Endocrinology, Diabetes &… |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
37 | More often than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
23 | Less often than most peers in Endocrinology, Diabetes &… |
| Hemoglobin a1c level | Lab test | 83036 |
21 | 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 Allentown 5
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 7
Providers in PA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Lee?
Dr. Lee is an endocrinologist in Allentown, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
What is Dr. Lee's address?
Dr. Lee is listed at 1243 S Cedar Crest Blvd Suite 2800, Allentown, PA 18103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Lee?
The number on file is (610) 402-6790. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Lee?
Dr. Lee's National Provider Identifier is 1235271545. 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. Lee train?
Dr. Lee attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lee have?
Dr. Lee has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Lee perform?
According to Medicare billing data, Dr. Lee provides treatments such as injection of drug or substance under skin or into muscle and infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lee's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lee. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.