Doctor profile · Federal record

Dr. Loreta Kalish, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Walnut Creek, CA

  • NPI 1184760423
  • Accepts Medicare
  • 46 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1220 Rossmoor Pkwy
Walnut Creek, CA 945952501
(925) 939-1220
fax (925) 988-7574
Mailing address
1450 Treat Blvd # 300
Walnut Creek, CA 945972168

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
September 11, 2019
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A92290
Medicaid
CA #00A922900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184760423. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,683
Distinct HCPCS
10
Medicare allowed
$142,525
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 719 390 $108
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 306 306 $54
99213 Established patient office or other outpatient visit, 20-29 minutes 115 106 $87
G0008 Administration of influenza virus vaccine 112 110 $36
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 111 109 $76
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 87 59 $63
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 48 48 $282
G0009 Administration of pneumococcal vaccine 48 48 $36
96372 Injection of drug or substance under skin or into muscle 38 18 $17
69209 Removal of impacted ear wax by washing 32 29 $20

In context: peer comparison

Among 44 peers in Walnut Creek Internal Medicine Physician, average services per provider: 260. This provider delivers 6.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$965
Transactions
38
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 9 $239.46
Lilly USA, LLC 9 $213.42
Exact Sciences Corporation 5 $150.82
Sumitomo Pharma America, INC. 5 $117.44
Amgen INC. 2 $55.33
GlaxoSmithKline, LLC. 2 $52.91
Ipsen Biopharmaceuticals, INC 1 $34.25
Kyowa Kirin, INC. 1 $26.54
Pfizer INC. 1 $22.23
AstraZeneca Pharmaceuticals Lp 1 $19.44
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $19.16
Scilex Pharmaceuticals INC. 1 $14.05

By nature of payment

Food and Beverage
$965

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,078
Patients
1,219
Total drug cost
$64,921
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 623 191 $8,405
Levothyroxine Sodium Generic 569 156 $11,602
Amlodipine Besylate Generic 540 173 $4,920
Losartan Potassium Generic 294 89 $4,483
Gabapentin Generic 239 76 $5,120
Metformin Hcl Generic 222 64 $2,599
Escitalopram Oxalate Generic 215 62 $4,399
Omeprazole Generic 209 68 $4,338
Trazodone Hcl Generic 192 59 $2,800
Lisinopril Generic 188 56 $2,014

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Loreta Kalish's medical specialty?
Dr. Loreta Kalish practices Internal Medicine Physician in Walnut Creek, CA.
Where does Dr. Loreta Kalish practice?
Dr. Loreta Kalish practices at 1220 Rossmoor Pkwy, Walnut Creek, CA 945952501. Office phone: 9259391220.
What is Dr. Loreta Kalish's NPI?
Dr. Loreta Kalish's National Provider Identifier (NPI) is 1184760423, issued by NPPES.
Does Dr. Loreta Kalish accept Medicare assignment?
Yes. Dr. Loreta Kalish accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Loreta Kalish commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.