Doctor profile · Federal record
Dr. Heather Demassa, APRN, RN, IBCLC
Family Nurse Practitioner · Lactation Consultant (Registered Nurse) · Darien, CT
- NPI 1609388560
- MIPS 79.1 / 100 · 2023
- 9 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
36 Grove Street, 1St Fl
Darien, CT 068405329
(203) 276-4282
fax (203) 276-8585 - Additional location
-
27 Hospital Ave Suite 303
Danbury, CT 068102110
(203) 798-0500
fax (203) 798-0081
Credentials & registration
- NPI registered
- November 2017 — 9 yrs on file
- Profile last updated
- June 12, 2024
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- Connecticut #7134 · Connecticut #89408
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609388560. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11
Distinct HCPCS
1
Medicare allowed
$905
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 11 | 11 | $82 |
In context: peer comparison
Among 2 peers in Darien Family Nurse Practitioner, average services per provider: 42. This provider delivers 0.3× the peer median.Open Payments
Industry payments received
All-time total
$39
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Sage Therapeutics, INC. | 2 | $38.58 |
By nature of payment
Frequently asked questions
What is Dr. Heather Demassa's medical specialty?
Dr. Heather Demassa practices Family Nurse Practitioner in Darien, CT.
Where does Dr. Heather Demassa practice?
Dr. Heather Demassa practices at 36 Grove Street, Darien, CT 068405329. Office phone: 2032764282.
What is Dr. Heather Demassa's NPI?
Dr. Heather Demassa's National Provider Identifier (NPI) is 1609388560, issued by NPPES.
What procedures does Dr. Heather Demassa commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.