Doctor profile · Federal record
Dr. Nadarajan Janakan, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Troy, MI
- NPI 1134128812
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4967 Crooks RD, Ste. 130
Troy, MI 480985801
(248) 952-1601
fax (248) 952-0192
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- April 2, 2008
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Michigan #4301072199
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134128812. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,756
Distinct HCPCS
10
Medicare allowed
$129,073
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 689 | 186 | $90 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 189 | 114 | $128 | |
36415 |
Insertion of needle into vein for collection of blood sample | 145 | 84 | $8 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 135 | 135 | $130 | |
99497 |
Advance care planning, first 30 minutes | 134 | 134 | $72 | |
G0506 |
Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service) | 120 | 120 | $63 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 104 | 84 | $14 | |
36410 |
Insertion of needle into vein (3 years or older) | 91 | 59 | $18 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 39 | 31 | $63 | |
J1030 |
Injection, methylprednisolone acetate, 40 mg | 32 | 21 | $8 |
In context: peer comparison
Among 35 peers in Troy Internal Medicine Physician, average services per provider: 163. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$49
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 2 | $35.45 | |
| Pfizer INC. | 1 | $13.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,471
Patients
1,386
Total drug cost
$71,162
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 837 | 263 | $13,618 |
| Amlodipine Besylate | Generic | 511 | 151 | $5,089 |
| Lisinopril | Generic | 371 | 115 | $3,706 |
| Losartan Potassium | Generic | 354 | 108 | $6,790 |
| Metformin Hcl | Generic | 292 | 98 | $3,727 |
| Levothyroxine Sodium | Generic | 278 | 77 | $5,113 |
| Furosemide | Generic | 241 | 85 | $1,421 |
| Metoprolol Tartrate | Generic | 239 | 75 | $2,514 |
| Omeprazole | Generic | 230 | 71 | $3,464 |
| Simvastatin | Generic | 204 | 61 | $2,596 |
Hospital affiliations
Frequently asked questions
What is Dr. Nadarajan Janakan's medical specialty?
Dr. Nadarajan Janakan practices Internal Medicine Physician in Troy, MI.
Where does Dr. Nadarajan Janakan practice?
Dr. Nadarajan Janakan practices at 4967 Crooks RD, Troy, MI 480985801. Office phone: 2489521601.
What is Dr. Nadarajan Janakan's NPI?
Dr. Nadarajan Janakan's National Provider Identifier (NPI) is 1134128812, issued by NPPES.
Does Dr. Nadarajan Janakan accept Medicare assignment?
Yes. Dr. Nadarajan Janakan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nadarajan Janakan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.