Basil Colin Hamblin, MD
Geriatric Medicine (Family Medicine) Physician · Point Reyes Station, CA
Basil Colin Hamblin, MD is a geriatric medicine (family medicine) physician with a practice address in Point Reyes Station, California, and NPI 1114095106, issued on Nov 30, 2006. Check the license (California A76893, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Basil Colin Hamblin
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License number
- A76893 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11150 State Route One, Point Reyes Station, CA 94956
- Phone
- (415) 663-8666
- Enumerated
- Nov 30, 2006
- Record last updated
- Nov 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 00A768930 CA
- Medicare enrollment
- Enrolled (PECOS I20040812000733); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 243 in California → Look up another NPI →
Verify Basil Colin Hamblin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A76893Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
8,599 Medicare Part D claims for 626 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 333 claims were for opioids.
Most prescribed
- Atorvastatin Calcium535 claims
- Levothyroxine Sodium517 claims
- Lisinopril350 claims
- Amlodipine Besylate244 claims
- Eliquis241 claims
- Gabapentin214 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $584.39
28 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 460 providers of this specialty with any payment received $1,218.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Basil Colin Hamblin among 243 geriatric medicine (family medicine) physician records in California
Basil Colin Hamblin, MD is one of 243 geriatric medicine (family medicine) physician records with a practice address in California. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 53% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2000 · median 2004 among the 111 with a school on file
- Record last updated2011 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 geriatric medicine (family medicine) physician record lists a practice address in Point Reyes Station
They are 1 of the 38 NPPES records with a practice address in Point Reyes Station, and 243 geriatric medicine (family medicine) physician records in California.
All 243 in California → Every provider in Point Reyes Station → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Leah Rorvig, M.D., M.S.Petaluma, CA 949541093126856
- Michael Fox, MDMill Valley, CA 949411225027709
- Kwok Hung, M.D.Cupertino, CA 950141700924388
- Maria Delie Jumagdao-Sakai, M.D.Gilroy, CA 950201205025996
- Jeffrey Brown, MDLos Gatos, CA 950301902815657
- Christian Negard, M.D.Santa Cruz, CA 950621356395826
- Sidney Mitchell, MDWatsonville, CA 950761518027630
- Christopher O'Grady, M.D.Watsonville, CA 950761861474306
Common questions
What is Basil Colin Hamblin, MD's NPI number?
Basil Colin Hamblin, MD's National Provider Identifier (NPI) is 1114095106, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Basil Colin Hamblin, MD located?
The NPPES record lists a practice address at 11150 State Route One, Point Reyes Station, CA, 94956. Phone: (415) 663-8666. Providers update this record themselves, so call before visiting.
How can I verify Basil Colin Hamblin, MD's license?
NPPES lists California license number A76893, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Basil Colin Hamblin, MD prescribe under Medicare Part D?
In 2024, Basil Colin Hamblin, MD had 8,599 Medicare Part D claims for 626 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.