Doctor profile · Federal record

Dr. Kastoori Iyengar, M.D.

Family Medicine Physician (CMS: Family Practice) · Harvard, MA

  • NPI 1861450603
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
198 Ayer RD
Harvard, MA 014511163
(978) 456-2355
fax (978) 456-2356
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 25, 2022
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Massachusetts #226683

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861450603. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
243
Distinct HCPCS
8
Medicare allowed
$23,302
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 102 67 $106
99213 Established patient office or other outpatient visit, 20-29 minutes 40 35 $81
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 34 34 $105
G0008 Administration of influenza virus vaccine 16 16 $34
99215 Established patient office or other outpatient visit, 40-54 minutes 14 11 $112
90688 Influenza vaccine, quadrivalent, 0.5 ml dosage 13 13 $20
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 12 12 $240
G0009 Administration of pneumococcal vaccine 12 12 $34

In context: peer comparison

Among 4 peers in Harvard Family Medicine Physician, average services per provider: 33. This provider delivers 7.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
974
Patients
259
Total drug cost
$15,481
Drug Type Claims Patients Total cost
Lisinopril Generic 141 45 $1,502
Atorvastatin Calcium Generic 102 34 $3,202
Amlodipine Besylate Generic 97 28 $824
Levothyroxine Sodium Generic 95 27 $1,070
Citalopram Hbr (Citalopram Hydrobromide) Brand 92 24 $617
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 63 15 $1,697
Gabapentin Generic 57 15 $968
Simvastatin Generic 56 14 $733
Losartan Potassium Generic 55 18 $899
Omeprazole Generic 42 15 $810

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kastoori Iyengar's medical specialty?
Dr. Kastoori Iyengar practices Family Medicine Physician in Harvard, MA.
Where does Dr. Kastoori Iyengar practice?
Dr. Kastoori Iyengar practices at 198 Ayer RD, Harvard, MA 014511163. Office phone: 9784562355.
What is Dr. Kastoori Iyengar's NPI?
Dr. Kastoori Iyengar's National Provider Identifier (NPI) is 1861450603, issued by NPPES.
Does Dr. Kastoori Iyengar accept Medicare assignment?
Yes. Dr. Kastoori Iyengar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kastoori Iyengar 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.