Margaret Holtz, M.D.
NPI 1477738300 · Anesthesiology Physician · Marietta, GA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Holtz, M.D. is a Anesthesiology Physician provider in Marietta, GA (NPI 1477738300).
Provider details
- NPI number
- 1477738300
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 061896 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
605 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 157 | $53 |
| Injection of Anesthetic Agent And/Or Steroid Into Other Nerve Or Branch64450 | 121 | $22 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 75 | $151 |
| Anesthesia for Total Hip Replacement01214 | 47 | $159 |
| Ultrasonic Guidance for Needle Placement76942 | 47 | $30 |
| Injection of Local Anesthetic for Abdominal Wall Pain Control on Both Sides Using Imaging Guidance64488 | 39 | $69 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$77,851 across 129 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (4)
- 8954 Hospital DrDouglasville, GA 30134-2272Phone: (770) 794-0477Fax: (770) 794-3108
- 146 Bill Carruth PkwyHiram, GA 30141-3749Phone: (770) 794-0477Fax: (770) 794-3108
- 531 Roselane St Nw Ste 830Marietta, GA 30060-6979Phone: (770) 794-0477Fax: (770) 794-3108
- 2540 Windy Hill Rd SeMarietta, GA 30067-8605Phone: (770) 794-0477Fax: (770) 794-3108
Registry dates
- Enumerated
- 2008-01-09
- Last updated
- 2019-08-28
Frequently asked questions
- What is Margaret Holtz's NPI number?
- Margaret Holtz's National Provider Identifier (NPI) is 1477738300, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Holtz's specialty?
- Margaret Holtz is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Holtz located?
- Margaret Holtz's practice location on file with NPPES is 677 Church St Ne, Marietta, GA 30060-1101.
- What is Margaret Holtz's phone number?
- The practice phone number listed in the NPPES registry for Margaret Holtz is (770) 794-0477.
- Does Margaret Holtz accept Medicare?
- Margaret Holtz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Holtz's NPI active?
- Yes — Margaret Holtz's NPI (1477738300) is active in the NPPES registry as of the last update on 2019-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.