Doctor profile · Federal record
Dr. John Demenkoff, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Anesthesiology Physician · Pulmonary Disease Physician · Phoenix, AZ
- NPI 1295718419
- Accepts Medicare
- MIPS 78.6 / 100 · 2023
- 52 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
5779 E Mayo Blvd
Phoenix, AZ 850544502
(480) 301-8000 - Additional location
-
13400 E Shea Blvd
Scottsdale, AZ 852595452
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- October 2, 2020
- Year of graduation
- 1974 — 52 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arizona #29076
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295718419. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
751
Distinct HCPCS
6
Medicare allowed
$78,289
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 544 | 203 | $124 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 59 | 52 | $88 | |
90662 |
Influenza vaccine split virus, preservative free | 47 | 47 | $71 | |
G0008 |
Administration of influenza virus vaccine | 47 | 47 | $30 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 30 | 15 | $22 | |
96372 |
Injection of drug or substance under skin or into muscle | 24 | 11 | $14 |
In context: peer comparison
Among 171 peers in Phoenix Internal Medicine Physician, average services per provider: 159. This provider delivers 4.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,387
Patients
392
Total drug cost
$198,366
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 202 | 60 | $3,149 |
| Rosuvastatin Calcium | Generic | 165 | 43 | $3,262 |
| Eliquis (Apixaban) | Brand | 142 | 34 | $175,029 |
| Tamsulosin Hcl | Generic | 125 | 35 | $3,637 |
| Levothyroxine Sodium | Generic | 106 | 29 | $1,701 |
| Amlodipine Besylate | Generic | 82 | 25 | $757 |
| Allopurinol | Generic | 77 | 21 | $1,160 |
| Ezetimibe | Generic | 72 | 19 | $2,716 |
| Lisinopril | Generic | 72 | 21 | $1,079 |
| Losartan Potassium | Generic | 71 | 23 | $989 |
Hospital affiliations
Frequently asked questions
What is Dr. John Demenkoff's medical specialty?
Dr. John Demenkoff practices Internal Medicine Physician in Phoenix, AZ.
Where does Dr. John Demenkoff practice?
Dr. John Demenkoff practices at 5779 E Mayo Blvd, Phoenix, AZ 850544502. Office phone: 4803018000.
What is Dr. John Demenkoff's NPI?
Dr. John Demenkoff's National Provider Identifier (NPI) is 1295718419, issued by NPPES.
Does Dr. John Demenkoff accept Medicare assignment?
Yes. Dr. John Demenkoff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Demenkoff 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); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.