Margaret Nachtigall, M.D.
NPI 1023156627 · Reproductive Endocrinology Physician · New York, NY
Margaret Nachtigall, M.D. is a Reproductive Endocrinology Physician provider in New York, NY (NPI 1023156627).
Provider details
- NPI number
- 1023156627
- Entity type
- Individual
- Primary specialty
- Reproductive Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 181181 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 151 | 35 |
| Estradiolbrand: Estradiol (twice Weekly) | 56 | 16 |
| Estradiolbrand: Yuvafem | 46 | 16 |
| Estrogens,conj/Bazedoxifenebrand: Duavee | 46 | — |
| Progesterone, Micronizedbrand: Progesterone | 34 | — |
| Levothyroxine Sodium | 33 | — |
| Estradiolbrand: Imvexxy | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$423 across 22 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
Registry dates
- Enumerated
- 2007-02-03
- Last updated
- 2012-01-04
Frequently asked questions
- What is Margaret Nachtigall's NPI number?
- Margaret Nachtigall's National Provider Identifier (NPI) is 1023156627, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Nachtigall's specialty?
- Margaret Nachtigall is listed in the NPPES registry with a primary specialty of Reproductive Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Nachtigall located?
- Margaret Nachtigall's practice location on file with NPPES is 251 E 33rd St, New York, NY 10016-4804.
- What is Margaret Nachtigall's phone number?
- The practice phone number listed in the NPPES registry for Margaret Nachtigall is (212) 683-0519.
- Is Margaret Nachtigall's NPI active?
- Yes — Margaret Nachtigall's NPI (1023156627) is active in the NPPES registry as of the last update on 2012-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.