Doctor profile · Federal record
Dr. Christina Wei, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Chelmsford, MA
- NPI 1639167257
- Accepts Medicare
- 41 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
228 Billerica RD
Chelmsford, MA 018243604
(978) 250-6100
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- November 17, 2020
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #57666
- Medicaid
- MA #3101100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639167257. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,613
Distinct HCPCS
10
Medicare allowed
$37,729
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 312 | 143 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 151 | 102 | $95 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 117 | 105 | $13 | |
83036 |
Hemoglobin a1c level | 114 | 87 | $10 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 87 | 87 | $55 | |
82565 |
Blood creatinine level | 73 | 64 | $5 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 49 | 45 | $16 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 44 | 42 | $66 | |
82043 |
Urine microalbumin (protein) level | 40 | 39 | $6 | |
82306 |
Vitamin d-3 level | 40 | 38 | $29 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 78. This provider delivers 21× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,233
Patients
588
Total drug cost
$36,205
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 447 | 122 | $10,430 |
| Lisinopril | Generic | 221 | 62 | $3,013 |
| Losartan Potassium | Generic | 180 | 46 | $3,712 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 160 | 36 | $2,562 |
| Omeprazole | Generic | 151 | 38 | $2,784 |
| Levothyroxine Sodium | Generic | 146 | 41 | $2,287 |
| Amlodipine Besylate | Generic | 139 | 43 | $1,678 |
| Gabapentin | Generic | 124 | 25 | $1,465 |
| Hydrochlorothiazide | Generic | 122 | 34 | $523 |
| Simvastatin | Generic | 118 | 32 | $1,836 |
Frequently asked questions
What is Dr. Christina Wei's medical specialty?
Dr. Christina Wei practices Internal Medicine Physician in Chelmsford, MA.
Where does Dr. Christina Wei practice?
Dr. Christina Wei practices at 228 Billerica RD, Chelmsford, MA 018243604. Office phone: 9782506100.
What is Dr. Christina Wei's NPI?
Dr. Christina Wei's National Provider Identifier (NPI) is 1639167257, issued by NPPES.
Does Dr. Christina Wei accept Medicare assignment?
Yes. Dr. Christina Wei accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christina Wei commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Blood test, lipids (cholesterol and triglycerides) (HCPCS 80061). Source: CMS Medicare Physician & Other Practitioners file.