Doctor profile · Federal record
Dr. Mary Alexander, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · La Mesa, CA
- NPI 1538177845
- Accepts Medicare
- MIPS 73.6 / 100 · 2023
- 38 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5525 Grossmont Center Dr
La Mesa, CA 919423009
(858) 499-2600
fax (619) 644-6809
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- June 14, 2013
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G66922
- Medicaid
- CA #00G669220
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538177845. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
412
Distinct HCPCS
8
Medicare allowed
$46,945
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 208 | 136 | $138 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 104 | 85 | $97 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 30 | 27 | $61 | |
G0008 |
Administration of influenza virus vaccine | 19 | 19 | $33 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 16 | 16 | $76 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 12 | 12 | $178 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 12 | 12 | $139 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 11 | 11 | $62 |
In context: peer comparison
Among 15 peers in La Mesa Internal Medicine Physician, average services per provider: 106. This provider delivers 3.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,086
Patients
907
Total drug cost
$48,567
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 532 | 149 | $10,986 |
| Atorvastatin Calcium | Generic | 424 | 138 | $5,829 |
| Levothyroxine Sodium | Generic | 318 | 90 | $6,459 |
| Amlodipine Besylate | Generic | 263 | 82 | $2,998 |
| Lisinopril | Generic | 224 | 71 | $2,147 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 202 | 43 | $4,689 |
| Hydrochlorothiazide | Generic | 157 | 48 | $877 |
| Omeprazole | Generic | 156 | 59 | $2,411 |
| Gabapentin | Generic | 135 | 37 | $3,120 |
| Metoprolol Tartrate | Generic | 119 | 32 | $1,412 |
Frequently asked questions
What is Dr. Mary Alexander's medical specialty?
Dr. Mary Alexander practices Internal Medicine Physician in La Mesa, CA.
Where does Dr. Mary Alexander practice?
Dr. Mary Alexander practices at 5525 Grossmont Center Dr, La Mesa, CA 919423009. Office phone: 8584992600.
What is Dr. Mary Alexander's NPI?
Dr. Mary Alexander's National Provider Identifier (NPI) is 1538177845, issued by NPPES.
Does Dr. Mary Alexander accept Medicare assignment?
Yes. Dr. Mary Alexander accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Alexander 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); Telephone medical discussion with physician (HCPCS 99441). Source: CMS Medicare Physician & Other Practitioners file.