Doctor profile · Federal record

Dr. Madhavi Siddhanthi, M.D

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Marietta, GA

  • NPI 1659543130
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 26 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
355 Tower RD Ne Ste 103
Marietta, GA 300609410
(770) 420-1690
Additional location
700 Church St Ne
Marietta, GA 300607220
Mailing address
700 Church St Ne
Marietta, GA 300607220

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
October 10, 2019
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (2)
Georgia #A69137 · California #A101944

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659543130. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,348
Distinct HCPCS
9
Medicare allowed
$104,707
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,560 19 $23
99213 Established patient office or other outpatient visit, 20-29 minutes 271 193 $90
99214 Established patient office or other outpatient visit, 30-39 minutes 240 152 $128
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 78 16 $1
96372 Injection of drug or substance under skin or into muscle 69 50 $14
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $168
J1030 Injection, methylprednisolone acetate, 40 mg 36 25 $8
99203 New patient office or other outpatient visit, 30-44 minutes 26 26 $113
20610 Aspiration and/or injection of fluid from large joint 23 16 $64

In context: peer comparison

Among 7 peers in this city , average services per provider: 1,367. This provider delivers 1.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,477
Transactions
70
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 22 $395.94
Janssen Biotech, Inc. 10 $183.90
Novartis Pharmaceuticals Corporation 8 $157.93
Mallinckrodt Hospital Products Inc. 6 $148.80
AstraZeneca Pharmaceuticals LP 5 $89.87
UCB, Inc. 3 $65.84
Radius Health, Inc. 2 $56.48
E.R. Squibb & Sons, L.L.C. 3 $52.61
SOBI, INC 2 $48.75
Aurinia Pharma U.S., Inc. 2 $47.80
Organon Llc 2 $46.20
ABBVIE INC. 2 $39.04
GENZYME CORPORATION 1 $31.43
Octapharma USA, Inc. 1 $22.53
GlaxoSmithKline, LLC. 1 $20.90

By nature of payment

Food and Beverage
$1,458
Education
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,283
Patients
537
Total drug cost
$265,472
Drug Type Claims Patients Total cost
Prednisone Generic 244 99 $1,458
Methotrexate (Methotrexate Sodium) Brand 194 70 $5,356
Hydroxychloroquine Sulfate Generic 187 89 $12,224
Gabapentin Generic 106 44 $1,147
Allopurinol Generic 90 40 $1,024
Methylprednisolone Generic 88 43 $2,003
Celecoxib Generic 57 19 $2,750
Sulfasalazine Generic 50 18 $814
Tizanidine Hcl Generic 48 21 $266
Leflunomide Generic 46 20 $2,582

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Madhavi Siddhanthi's medical specialty?
Dr. Madhavi Siddhanthi practices Rheumatology Physician in Marietta, GA.
Where does Dr. Madhavi Siddhanthi practice?
Dr. Madhavi Siddhanthi practices at 355 Tower RD Ne Ste 103, Marietta, GA 300609410. Office phone: 7704201690.
What is Dr. Madhavi Siddhanthi's NPI?
Dr. Madhavi Siddhanthi's National Provider Identifier (NPI) is 1659543130, issued by NPPES.
Does Dr. Madhavi Siddhanthi accept Medicare assignment?
Yes. Dr. Madhavi Siddhanthi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Madhavi Siddhanthi commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.