Are you David A. Chappell, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 141 Lynch Creek Way, Suite A, Petaluma, CA 94954
About Dr. Chappell
David A. Chappell, M.D. is a healthcare provider in Petaluma, CA specializing in endocrinology, diabetes & metabolism. David trained at University of Texas Southwestern Medical School at Dallas, graduating in 1979. Medicare claims data shows David provided 2,204 services to 509 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and insertion of needle into vein for collection of blood sample. This provider record is associated with NPI 1598732463.
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
- (707) 762-0001
- Email not available
Practice Locations
141 LYNCH CREEK WAY SUITE A
Petaluma, CA 94954
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
- Adrenal mass
- Cushing's Syndrome
- Adrenal Fatigue
- Adrenal gland tumor
Blood sugar disorders
Bone and calcium disorders
- Low Calcium
- High calcium
- Vitamin D deficiency
Bones
- Soft Bones
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
- Graves' Disease
- Goiter
- Hashimoto's Disease
- Thyroid cancer
- Thyroid eye disease
- Thyroid nodules
Most searched conditions
- Diabetes
- Hyperthyroidism
- Hypothyroidism
- Obesity
- Osteoporosis
- PCOS
- Thyroid problems
Adrenal
- Low sodium or electrolyte imbalance
Diabetes
- Dangerous high blood sugar
- Diabetic retinopathy
- Kidney disease from 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
- 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
- Parathyroid Hormone Test
- Bone Density Scan Referral
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
- Starting Insulin Therapy
- Medical nutrition therapy
Diabetes education
- Diabetes Self-Management Education
Genetic evaluations
- Genetic Testing for Endocrine Tumors
Hormone treatments
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
- Estrogen and Progesterone Therapy
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 Uptake and Scan
- Thyroid Cyst Alcohol Ablation
Thyroid procedures
- Thyroid Antibody Testing
- Thyroid Medication Adjustment
- Radioactive Iodine Treatment
- Thyroid Blood Test
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
- Weight loss medication consult
Most searched procedures
- Hormone replacement therapy
- Insulin pump management
- Thyroid ultrasound
- Weight loss management
Diabetes preventive care
- Diabetic Foot Care
Procedures Most Often Billed to Medicare
2,204 services · 509 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
382 | More often than most peers in Endocrinology, Diabetes &… |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
12 | Less often than most peers in Endocrinology, Diabetes &… |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
77 | 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 |
38 | Less 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 |
803 | 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 |
505 | More often than most peers in Endocrinology, Diabetes &… |
| Urinalysis, manual test | Lab test | 81002 |
300 | More 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 |
44 | As often as other peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
18 | Less often than most peers in Endocrinology, Diabetes &… |
| Blood glucose (sugar) test performed by hand-held instrument | Lab test | 82962 |
14 | 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.
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 University of Texas Southwestern Medical School at Dallas 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1979 at University of Texas Southwestern Medical School at Dallas 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 CA who bill this service to Medicare most often.
Common questions
What is David A. Chappell's specialty?
David A. Chappell is an endocrinologist in Petaluma, CA. 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 David A. Chappell?
David A. Chappell is listed at 141 Lynch Creek Way Suite A, Petaluma, CA 94954. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact David A. Chappell?
The number on file is (707) 762-0001. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for David A. Chappell?
David A. Chappell's National Provider Identifier is 1598732463. 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 David A. Chappell's education?
David A. Chappell attended University of Texas Southwestern Medical School at Dallas, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does David A. Chappell have?
David A. Chappell has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What is David A. Chappell known for?
According to Medicare billing data, David A. Chappell performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as dxa bone density measurement of hip, pelvis, spine; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and 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
Is David A. Chappell's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by David A. Chappell. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.