Physician

Basil Colin Hamblin, MD

According to 2025 Medicare claims, Basil Hamblin, MD (NPI: 1114095106) practices family practice in the San Rafael, CA market, with the plurality of this provider's patient population coming from Marin, CA. This provider's primary affiliated billing organization is COLIN HAMBLIN, A PROFESSIONAL MEDICAL CORPORATION (NPI: 1649664087; TIN: 461119089) and primary practice location at 94947-4063. Hamblin is affiliated with the Health Connect Partners, LLC (ACO ID: A2342), participating under the MSSP model.

Hamblin's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 829 traditional Medicare patients, billed 17,752 HCPCS/CPT codes, and received $1,556,056 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 8,599 prescription claims across 626 beneficiaries totaling $709,422 in drug costs, led by Eliquis (Apixaban). DME data shows 132 claims. Open Payments data shows 28 records totaling $584. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has moved sharply higher in recent years, from $337,567 to $1,556,056. In contrast, Part D prescription costs have declined steadily, from $1,319,271 to $709,422. For DME billing, this smaller-volume category moved up and down with repeated peaks and valleys, starting at $16,317 and ending at $8,327.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	790	5,864	$337,567
2016	753	4,850	$280,096
2017	731	4,815	$274,165
2018	646	5,052	$295,851
2019	868	6,806	$432,358
2020	774	6,441	$435,316
2021	728	5,809	$427,781
2022	645	7,853	$620,021
2023	703	13,460	$1,181,758
2024	829	17,752	$1,556,056

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	601	15,728	$1,319,271
2016	624	14,437	$1,352,397
2017	613	16,144	$1,172,610
2018	637	17,130	$1,297,137
2019	726	16,942	$1,331,430
2020	669	15,355	$1,212,945
2021	622	13,473	$1,074,349
2022	585	11,212	$950,714
2023	566	9,332	$777,707
2024	626	8,599	$709,422

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

Year	Patients	Claims	Payment
2015	13	167	$11,527
2016	14	230	$10,008
2017	N/R	115	$2,972
2018	N/R	206	$4,426
2019	11	88	$1,625
2020	N/R	89	$1,648
2021	N/R	119	$7,761
2022	N/R	118	$15,804
2023	N/R	123	$11,814
2024	N/R	132	$10,590

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	310	810	$111
99309	Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	379	8,954	$96
99497	Advance care planning, first 30 minutes	251	344	$71
99308	Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more	280	1,684	$67
99490	Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	252	1,320	$56

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Eliquis	Apixaban	241	7,360	$143,601
Xarelto	Rivaroxaban	68	1,974	$35,225
Rybelsus	Semaglutide	12	1,080	$32,748
Jardiance	Empagliflozin	64	1,324	$28,173
Entresto	Sacubitril/Valsartan	42	852	$20,252

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	N/R	17	$5,096
B4035	Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape	N	N/R	14	$1,876
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	22	$1,466
B4152	Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit	N	N/R	12	$1,315
K0001	Standard wheelchair	Y	N/R	26	$475

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	28	$584	Novo Nordisk Inc
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Basil Colin Hamblin, MD?

Tedicare shows public-source Medicare data for Basil Colin Hamblin, MD (NPI 1114095106), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Basil Colin Hamblin, MD have ACO affiliation data?

Basil Colin Hamblin, MD is shown with ACO affiliation data for Health Connect Partners, LLC (MSSP, ACO ID A2342).

What billing organization is linked to Basil Colin Hamblin, MD?

Basil Colin Hamblin, MD is linked to COLIN HAMBLIN, A PROFESSIONAL MEDICAL CORPORATION (billing NPI 1649664087) in the available physician profile data.

Does Basil Colin Hamblin, MD have Open Payments data?

Basil Colin Hamblin, MD has 28 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.