Doctor profile · Federal record
Dr. William Farmer, M.D.
Internal Medicine Physician (CMS: Family Practice) · Hamden, CT
- NPI 1689660771
- Accepts Medicare
- 30 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
2447 Whitney Ave, Suite 2A
Hamden, CT 065183211
(203) 230-5888
fax (203) 230-5889
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- October 2, 2013
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Connecticut #038805
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689660771. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
343
Distinct HCPCS
6
Medicare allowed
$41,930
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 116 | 47 | $189 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 97 | 39 | $95 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 74 | 32 | $133 | |
94010 |
Test to measure expiratory airflow and volume | 21 | 17 | $29 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 19 | 17 | $15 | |
81002 |
Urinalysis, manual test | 16 | 14 | $3 |
In context: peer comparison
Among 15 peers in this city , average services per provider: 90. This provider delivers 3.8× the peer median.Open Payments
Industry payments received
All-time total
$147
Transactions
5
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AIMMUNE THERAPEUTICS, INC. | 1 | $71.21 | |
| PFIZER INC. | 2 | $35.68 | |
| AstraZeneca Pharmaceuticals LP | 1 | $20.99 | |
| Amgen Inc. | 1 | $19.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,286
Patients
412
Total drug cost
$196,524
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 174 | 44 | $2,970 |
| Rosuvastatin Calcium | Generic | 163 | 47 | $3,386 |
| Atorvastatin Calcium | Generic | 150 | 39 | $1,848 |
| Methylprednisolone | Generic | 91 | 56 | $1,181 |
| Olmesartan Medoxomil | Generic | 89 | 24 | $2,880 |
| Montelukast Sodium | Generic | 87 | 32 | $1,149 |
| Amlodipine Besylate | Generic | 86 | 25 | $1,158 |
| Azithromycin | Generic | 83 | 52 | $444 |
| Omeprazole | Generic | 67 | 22 | $1,300 |
| Tamsulosin Hcl | Generic | 62 | 15 | $1,352 |
Frequently asked questions
What is Dr. William Farmer's medical specialty?
Dr. William Farmer practices Internal Medicine Physician in Hamden, CT.
Where does Dr. William Farmer practice?
Dr. William Farmer practices at 2447 Whitney Ave, Hamden, CT 065183211. Office phone: 2032305888.
What is Dr. William Farmer's NPI?
Dr. William Farmer's National Provider Identifier (NPI) is 1689660771, issued by NPPES.
Does Dr. William Farmer accept Medicare assignment?
Yes. Dr. William Farmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Farmer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.