Doctor profile · Federal record
Dr. Mark Walmer, MD
Internal Medicine Physician (CMS: Internal Medicine) · Chandler, AZ
- NPI 1629166053
- Accepts Medicare
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
655 S Dobson RD, A201
Chandler, AZ 852245669
(480) 821-3821
fax (186) 677-7239
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- September 16, 2011
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arizona #15974
- Medicaid
- AZ #274639
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629166053. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
15,316
Distinct HCPCS
10
Medicare allowed
$551,087
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,998 | 541 | $123 | |
36415 |
Insertion of needle into vein for collection of blood sample | 1,479 | 625 | $4 | |
80053 |
Blood test, comprehensive group of blood chemicals | 1,384 | 611 | $10 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 1,351 | 605 | $8 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 1,325 | 609 | $13 | |
83036 |
Hemoglobin a1c level | 1,232 | 584 | $9 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 1,210 | 548 | $22 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 817 | 505 | $16 | |
82306 |
Vitamin d-3 level | 647 | 467 | $29 | |
84439 |
Thyroxine (thyroid chemical), free | 511 | 287 | $9 |
In context: peer comparison
Among 36 peers in this city , average services per provider: 186. This provider delivers 82× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,615
Patients
1,526
Total drug cost
$70,634
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 695 | 245 | $8,947 |
| Levothyroxine Sodium | Generic | 550 | 163 | $8,807 |
| Lisinopril | Generic | 413 | 142 | $3,978 |
| Metformin Hcl | Generic | 365 | 114 | $4,049 |
| Pantoprazole Sodium | Generic | 355 | 131 | $7,499 |
| Simvastatin | Generic | 319 | 99 | $4,071 |
| Amlodipine Besylate | Generic | 256 | 91 | $2,028 |
| Tamsulosin Hcl | Generic | 236 | 77 | $4,174 |
| Metoprolol Succinate | Generic | 235 | 74 | $4,603 |
| Celecoxib | Generic | 218 | 59 | $6,265 |
Frequently asked questions
What is Dr. Mark Walmer's medical specialty?
Dr. Mark Walmer practices Internal Medicine Physician in Chandler, AZ.
Where does Dr. Mark Walmer practice?
Dr. Mark Walmer practices at 655 S Dobson RD, Chandler, AZ 852245669. Office phone: 4808213821.
What is Dr. Mark Walmer's NPI?
Dr. Mark Walmer's National Provider Identifier (NPI) is 1629166053, issued by NPPES.
Does Dr. Mark Walmer accept Medicare assignment?
Yes. Dr. Mark Walmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Walmer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.