Physician Profile
Vallikantha Nellaiappan, M.D
Unclaimed ProfileAbout Dr. Nellaiappan
Vallikantha Nellaiappan, M.D is a healthcare provider in Greenfield, WI specializing in endocrinology. Vallikantha is also listed as specializing in internal medicine and endocrinology, diabetes & metabolism. According to Medicare claims data, Vallikantha cared for 425 Medicare patients across 552 services. The services billed most often include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and blood glucose (sugar) test performed by hand-held instrument. This provider record is associated with NPI 1548557812.
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
- (414) 281-5150
- Email not available
Practice Locations
4448 W LOOMIS RD
Greenfield, WI 53220
3333 Green Bay Rd
North Chicago, IL 60064
800 S Tillotson Ave
Muncie, IN 47304
3691 Ridge Mill Dr
Hilliard, OH 43026
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
Most searched conditions
- Diabetes
- Hyperthyroidism
- Hypothyroidism
- Obesity
- Osteoporosis
- PCOS
- Thyroid problems
Adrenal
- Low sodium or electrolyte imbalance
Adrenal disorders
- Adrenal Fatigue
- Adrenal gland tumor
- Adrenal mass
- Cushing's Syndrome
Blood sugar disorders
- Diabetic neuropathy
- Gestational diabetes
- Low Blood Sugar
- Prediabetes
Bone and calcium disorders
- High calcium
- Low Calcium
- Vitamin D deficiency
Bones
- Soft Bones
Diabetes
- Dangerous high blood sugar
- Diabetic retinopathy
- Kidney disease from diabetes
Endocrine tumors
- Neuroendocrine Tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
Metabolic disorders
- High cholesterol
- Metabolic syndrome
Metabolism
- Fatty liver disease
- Insulin Resistance
- Unexplained Weight Gain
Parathyroid
Pituitary
- Acromegaly
- Adult Growth Hormone Deficiency
- Underactive Pituitary Gland
Pituitary disorders
- Extreme Thirst and Urination
- High Prolactin
- Pituitary Tumor
- Short stature and growth concerns
Thyroid
- Thyroiditis
Thyroid disorders
- Goiter
- Graves' Disease
- Hashimoto's Disease
- Thyroid cancer
- Thyroid eye disease
- Thyroid nodules
Procedures & services
Most searched procedures
- Hormone replacement therapy
- Insulin pump management
- Thyroid ultrasound
- Weight loss management
Adrenal
- 24-Hour Urine Cortisol Test
- Aldosterone and Renin Blood Test
- Urine Metanephrines Test
Adrenal evaluations
- Adrenal Gland Suppression Test
- Cortisol Testing
Blood sugar management
- Continuous Glucose Monitor Placement
- Diabetes Screening and A1C Test
- Glucose screening test
Bone evaluations
- Bone Density Scan Referral
- Parathyroid Hormone Test
Bone treatments
- Bisphosphonate Infusion for Bones
- Bone Building Injections
Diabetes
- Automated Insulin System Setup
- Blood Ketone Monitoring
- C-Peptide Test
- Continuous Glucose Monitor Data Review
- Medical nutrition therapy
- Starting Insulin Therapy
Diabetes education
- Diabetes Self-Management Education
Diabetes preventive care
- Diabetic Foot Care
Genetic evaluations
- Genetic Testing for Endocrine Tumors
Hormone treatments
- Estrogen and Progesterone Therapy
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
Hormones
- Gender-affirming care consultation
Metabolic evaluations
- Cholesterol and Lipid Blood Panel
Metabolism
- Fasting Insulin Test
Parathyroid
- Parathyroid Scan
Pituitary
- Growth Hormone Stimulation Test
Pituitary evaluations
- Prolactin Blood Test
- Water Deprivation Test
Thyroid
- Thyroid Cyst Alcohol Ablation
- Thyroid Uptake and Scan
Thyroid procedures
- Radioactive Iodine Treatment
- Thyroid Antibody Testing
- Thyroid Blood Test
- Thyroid Medication Adjustment
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
- Weight loss medication consult
Procedures Most Often Billed to Medicare
552 services · 425 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
30 | Less often than most peers in Endocrinology |
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
34 | Less often than most peers in Endocrinology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
150 | As often as other peers in Endocrinology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
95 | Less often than most peers in Endocrinology |
| Blood glucose (sugar) test performed by hand-held instrument | Lab test | 82962 |
80 | As often as other peers in Endocrinology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
56 | More often than most peers in Endocrinology |
| Hemoglobin a1c level | Lab test | 83036 |
34 | Less often than most peers in Endocrinology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
28 | Less often than most peers in Endocrinology |
| 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 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
22 | As often as other peers in Endocrinology |
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.
Related specialists at this location 1
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2008 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 WI who bill this service to Medicare most often.
Common questions
What does Vallikantha Nellaiappan specialize in?
Vallikantha Nellaiappan is an endocrinology in Greenfield, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Vallikantha Nellaiappan located?
Vallikantha Nellaiappan is listed at 4448 W Loomis Rd, Greenfield, WI 53220. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Vallikantha Nellaiappan's phone number?
The number on file is (414) 281-5150. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Vallikantha Nellaiappan's NPI number?
Vallikantha Nellaiappan's National Provider Identifier is 1548557812. 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 Vallikantha Nellaiappan train?
Vallikantha Nellaiappan attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Vallikantha Nellaiappan been practicing?
Vallikantha Nellaiappan has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Vallikantha Nellaiappan do most often?
According to Medicare billing data, Vallikantha Nellaiappan 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
Has Vallikantha Nellaiappan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Vallikantha Nellaiappan. If this is you, claiming it is free.
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