Doctor profile · Federal record
Dr. Johanna Cahill, PA
Physician Assistant · Hartford, CT
- NPI 1255394904
- Accepts Medicare
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
85 Seymour St Ste 719
Hartford, CT 061065560
(860) 522-0604
fax (860) 247-0422 - Additional location
-
133 Brookline Ave
Boston, MA 022153904
(617) 421-1000
fax (617) 421-6084
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- March 28, 2018
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Connecticut #001667
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255394904. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
532
Distinct HCPCS
3
Medicare allowed
$44,879
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 354 | 214 | $69 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 139 | 51 | $114 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 39 | 37 | $115 |
In context: peer comparison
Among 42 peers in Hartford Physician Assistant, average services per provider: 75. This provider delivers 7.1× the peer median.Open Payments
Industry payments received
All-time total
$167
Transactions
7
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 2 | $39.67 | |
| Kiniksa Pharmaceuticals International, Plc | 1 | $33.04 | |
| Novartis Pharmaceuticals Corporation | 1 | $28.46 | |
| Impulse Dynamics (USA) INC. | 1 | $22.23 | |
| Amgen INC. | 1 | $22.15 | |
| Pfizer INC. | 1 | $21.25 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
394
Patients
151
Total drug cost
$184,336
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Spironolactone | Generic | 76 | 37 | $1,005 |
| Metoprolol Succinate | Generic | 71 | 29 | $1,487 |
| Entresto (Sacubitril/Valsartan) | Brand | 49 | 21 | $74,261 |
| Furosemide | Generic | 49 | 25 | $420 |
| Jardiance (Empagliflozin) | Brand | 43 | 17 | $54,482 |
| Torsemide | Generic | 41 | 22 | $3,397 |
| Atorvastatin Calcium | Generic | 21 | 0 | $255 |
| Eliquis (Apixaban) | Brand | 18 | 0 | $28,223 |
| Bumetanide | Generic | 14 | 0 | $1,153 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 12 | 0 | $19,654 |
Frequently asked questions
What is Dr. Johanna Cahill's medical specialty?
Dr. Johanna Cahill practices Physician Assistant in Hartford, CT.
Where does Dr. Johanna Cahill practice?
Dr. Johanna Cahill practices at 85 Seymour St Ste 719, Hartford, CT 061065560. Office phone: 8605220604.
What is Dr. Johanna Cahill's NPI?
Dr. Johanna Cahill's National Provider Identifier (NPI) is 1255394904, issued by NPPES.
Does Dr. Johanna Cahill accept Medicare assignment?
Yes. Dr. Johanna Cahill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johanna Cahill commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.