Physician Profile
Unclaimed ProfileAbout CHAPPELL
David Allen Chappell, M.D. is a healthcare provider in Petaluma, CA specializing in endocrinology. David trained at University of Texas Southwestern Medical School at Dallas, graduating in 1979. David is also listed as specializing in endocrinology, diabetes & metabolism. Medicare claims data shows David provided 2,204 services to 509 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (707) 762-0001
- Email not available
Practice Locations
141 LYNCH CREEK WAY SUITE A
Petaluma, CA 94954
Procedures Most Often Billed to Medicare
2,204 services · 509 patients · 11 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
382 |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
12 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
77 |
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
38 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
803 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
505 |
| Urinalysis, manual test | Lab test | 81002 |
300 |
| 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 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
18 |
| Blood glucose (sugar) test performed by hand-held instrument | Lab test | 82962 |
14 |
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 3
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 Dr. Chappell's specialty?
Dr. Chappell is an endocrinology in Petaluma, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ENDOCRINOLOGY”.
NPI registry
Where can I find Dr. Chappell?
Dr. 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 Dr. Chappell?
The number on file is (707) 762-0001. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Chappell?
Dr. 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 Dr. Chappell's medical education?
Dr. 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 Dr. Chappell have?
Dr. Chappell has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chappell known for?
According to Medicare billing data, Dr. 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 Dr. Chappell's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chappell. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.