Doctor profile · Federal record

Dr. Margaret Holtz, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Pediatric Anesthesiology Physician · Pain Medicine (Anesthesiology) Physician · Pain Medicine Physician · Interventional Pain Medicine Physician · Marietta, GA

  • NPI 1477738300
  • Accepts Medicare
  • MIPS 90.2 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
677 Church St Ne
Marietta, GA 300601101
(770) 794-0477
fax (770) 794-3108
Additional location
146 Bill Carruth Pkwy
Hiram, GA 301413749
Additional location
2540 Windy Hill RD Se
Marietta, GA 300678605
Show 2 more locations
Additional location
531 Roselane St Nw Ste 830
Marietta, GA 300606979
Additional location
8954 Hospital Dr
Douglasville, GA 301342272
Mailing address
531 Roselane St Nw Ste 830
Marietta, GA 300606979

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
August 28, 2019
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Georgia #001441 · Georgia #061896

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477738300. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
645
Distinct HCPCS
10
Medicare allowed
$49,091
HCPCS Description Services Patients Avg allowed
64450 Injection of anesthetic agent and/or steroid into other nerve or branch 131 120 $22
76942 Ultrasonic guidance for needle placement 95 93 $30
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 85 84 $60
01402 Anesthesia for procedure for total knee joint replacement 76 74 $158
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 73 73 $59
01214 Anesthesia for total hip replacement 44 44 $185
64488 Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance 29 29 $67
01638 Anesthesia for open or endoscopic total shoulder joint replacement 20 20 $195
64488 Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance 20 19 $67
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 18 18 $68

In context: peer comparison

Among 22 peers in this city , average services per provider: 28. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$77,851
Transactions
129
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Pacira Pharmaceuticals Incorporated 126 $77,789.31
Medtronic, Inc. 3 $61.80

By nature of payment

Consulting Fee
$33,097
Honoraria
$29,600
Travel and Lodging
$13,335
Food and Beverage
$1,819

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Holtz's medical specialty?
Dr. Margaret Holtz practices Anesthesiology Physician in Marietta, GA.
Where does Dr. Margaret Holtz practice?
Dr. Margaret Holtz practices at 677 Church St Ne, Marietta, GA 300601101. Office phone: 7707940477.
What is Dr. Margaret Holtz's NPI?
Dr. Margaret Holtz's National Provider Identifier (NPI) is 1477738300, issued by NPPES.
Does Dr. Margaret Holtz accept Medicare assignment?
Yes. Dr. Margaret Holtz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Holtz commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into other nerve or branch (HCPCS 64450); Ultrasonic guidance for needle placement (HCPCS 76942); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447). Source: CMS Medicare Physician & Other Practitioners file.