Doctor profile · Federal record
Dr. Hanna Chao, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Chelsea, MA
- NPI 1376581991
- Accepts Medicare
- MIPS 84.3 / 100 · 2023
- 32 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
151 Everett Ave
Chelsea, MA 021501807
(617) 889-8580
fax (617) 889-8579 - Additional location
-
4A Devine St
North Haven, CT 064732142
(203) 287-6900 - Additional location
-
55 Lock St
New Haven, CT 065113603
(203) 432-0123 - Mailing address
-
950 Campbell Ave, Mail Code 11Acsl
West Haven, CT 065162770
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 16, 2024
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Massachusetts #1018720 · Connecticut #045508
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376581991. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
436
Distinct HCPCS
10
Medicare allowed
$41,677
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 79 | 75 | $136 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 76 | 74 | $96 | |
0241U |
Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected | 72 | 67 | $140 | |
71046 |
X-ray of chest, 2 views | 66 | 32 | $18 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 37 | 37 | $190 | |
87651 |
Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique | 35 | 34 | $34 | |
81002 |
Urinalysis, manual test | 24 | 24 | $3 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 23 | 23 | $119 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 12 | 12 | $50 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 12 | 11 | $61 |
In context: peer comparison
Among 11 peers in Chelsea Internal Medicine Physician, average services per provider: 66. This provider delivers 6.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
376
Patients
361
Total drug cost
$3,283
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Chlorhexidine Gluconate | Generic | 133 | 125 | $675 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 55 | 53 | $1,265 |
| Azithromycin | Generic | 38 | 38 | $167 |
| Ondansetron Odt (Ondansetron) | Brand | 31 | 30 | $198 |
| Doxycycline Hyclate | Generic | 30 | 28 | $398 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 21 | 21 | $151 |
| Prednisone | Generic | 16 | 16 | $72 |
| Lagevrio (Eua) (Molnupiravir) | Brand | 14 | 14 | $143 |
| Naproxen | Generic | 14 | 14 | $70 |
| Triamcinolone Acetonide | Generic | 13 | 11 | $94 |
Frequently asked questions
What is Dr. Hanna Chao's medical specialty?
Dr. Hanna Chao practices Internal Medicine Physician in Chelsea, MA.
Where does Dr. Hanna Chao practice?
Dr. Hanna Chao practices at 151 Everett Ave, Chelsea, MA 021501807. Office phone: 6178898580.
What is Dr. Hanna Chao's NPI?
Dr. Hanna Chao's National Provider Identifier (NPI) is 1376581991, issued by NPPES.
Does Dr. Hanna Chao accept Medicare assignment?
Yes. Dr. Hanna Chao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hanna Chao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected (HCPCS 0241U). Source: CMS Medicare Physician & Other Practitioners file.