Medicaid Provider SpendingClaims paid 2018–2024 · HHS public file
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Physician

Daniel L Zimmerman MD, INC.

Daniel L Zimmerman MD, INC. was paid $807K by Medicaid between Jan 2018 and Dec 2021, across 22 billing codes. Its largest line is 99078, — 37% of everything it billed.

33Billing provider infoDANIEL L ZIMMERMAN MD, INC.
ANTIOCH, CA 94509
33aNPI1225421589assigned 03/11/2015
28Total paid$807K
24GClaims20,712
24DCodes billed22
24AFirst – last monthJan 2018 – Dec 2021
Compared with peers

Next to other Obstetrics & Gynecology Physician providers in California

Rank by total paid#138 of 791
Median peer was paid$67K
This provider vs. median12×

Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.

Box 24A · Dates of service

Paid by month

$0$20K$40K2018201920202021202220232024
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
YearClaimsPaid
20186,335$251K
20197,212$289K
20204,002$150K
20213,163$116K
Box 24 · Service lines

What it billed for

CodeServiceShareClaimsBene. recordsPaid
99078 37% 10,464 2,003 $296K
99213 Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity 29% 3,559 1,991 $230K
59425 7.9% 1,057 542 $64K
96151 5.0% 1,397 746 $41K
99215 Doctor's office visit, returning patient (complex)Prolong outpt/office vis 4.4% 484 467 $35K
99401 3.4% 893 483 $27K
H1003 Prenatal care, at-risk enhanced service; education 2.7% 706 521 $21K
59409 Vaginal delivery only (with or without episiotomy and/or forceps) 2.5% 39 39 $20K
97803 2.2% 1,045 642 $18K
76815 Ultrasound, pregnant uterus, real time with image documentation, limited 1.5% 197 174 $12K
H2000 Comprehensive multidisciplinary evaluation 1.4% 81 81 $11K
99214 Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity <1% 205 196 $8K
10 more codes
Z1034 <1% 140 $8K
59514 <1% 12 $5K
96152 <1% 86 $2K
S9445 Patient education, not otherwise classified, non-physician provider, individual, per session <1% 85 $2K
S9452 Nutrition classes, non-physician provider, per session <1% 73 $2K
Z6304 <1% 47 $1K
59025 Fetal non-stress test <1% 54 $1K
Z6410 <1% 28 $841.74
Z6204 <1% 48 $746.25
81000 <1% 12 $30.70

Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.

From NPPES

Who's on the registration

Authorized officialZIMMERMAN, DANIEL (OB/GYN)