Doctor profile · Federal record
Dr. John Graham, MD
Internal Medicine Physician (CMS: Internal Medicine) · Tucson, AZ
- NPI 1336137538
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1669 W Ina RD
Tucson, AZ 857041982
(520) 795-6183 - Mailing address
-
Po Box 35380
Las Vegas, NV 891335380
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- May 19, 2021
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arizona #47141
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336137538. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
137
Distinct HCPCS
5
Medicare allowed
$14,541
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 64 | 52 | $119 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $162 | |
36415 |
Insertion of needle into vein for collection of blood sample | 23 | 23 | $8 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 13 | 13 | $125 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 12 | 11 | $87 |
In context: peer comparison
Among 128 peers in Tucson Internal Medicine Physician, average services per provider: 112. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
All-time total
$61
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Eisai INC. | 1 | $24.67 | |
| Janssen Pharmaceuticals, INC | 1 | $22.05 | |
| GlaxoSmithKline, LLC. | 1 | $13.95 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
527
Patients
253
Total drug cost
$34,825
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 67 | 35 | $990 |
| Lisinopril | Generic | 64 | 35 | $700 |
| Omeprazole | Generic | 45 | 26 | $777 |
| Amlodipine Besylate | Generic | 42 | 25 | $248 |
| Gabapentin | Generic | 41 | 19 | $1,597 |
| Levothyroxine Sodium | Generic | 41 | 22 | $494 |
| Metformin Hcl | Generic | 33 | 18 | $398 |
| Losartan Potassium | Generic | 28 | 13 | $514 |
| Ozempic (Semaglutide) | Brand | 26 | 0 | $26,558 |
| Pantoprazole Sodium | Generic | 26 | 15 | $444 |
Frequently asked questions
What is Dr. John Graham's medical specialty?
Dr. John Graham practices Internal Medicine Physician in Tucson, AZ.
Where does Dr. John Graham practice?
Dr. John Graham practices at 1669 W Ina RD, Tucson, AZ 857041982. Office phone: 5207956183.
What is Dr. John Graham's NPI?
Dr. John Graham's National Provider Identifier (NPI) is 1336137538, issued by NPPES.
Does Dr. John Graham accept Medicare assignment?
Yes. Dr. John Graham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Graham commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.