Herbert Archer, M.D.
NPI 1205028560 · Internal Medicine Physician · Greenwich, CT
Herbert Archer, M.D. is a Internal Medicine Physician provider in Greenwich, CT (NPI 1205028560).
Provider details
- NPI number
- 1205028560
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 46754 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 47 | 22 |
| Atorvastatin Calcium | 36 | 14 |
| Alprazolam | 29 | 13 |
| Tirzepatidebrand: Mounjaro | 27 | — |
| Azithromycin | 23 | 21 |
| Oxycodone Hcl | 22 | — |
| Apixabanbrand: Eliquis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$413 across 18 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 (1)
- 5 Perryridge RdGreenwich HospitalGreenwich, CT 06830-4608Phone: (203) 863-3874
Registry dates
- Enumerated
- 2007-08-10
- Last updated
- 2024-04-03
- Certified
- 2024-04-03
Frequently asked questions
- What is Herbert Archer's NPI number?
- Herbert Archer's National Provider Identifier (NPI) is 1205028560, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Herbert Archer's specialty?
- Herbert Archer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Herbert Archer located?
- Herbert Archer's practice location on file with NPPES is 644 W Putnam Ave Ste 203, Greenwich, CT 06830-6088.
- What is Herbert Archer's phone number?
- The practice phone number listed in the NPPES registry for Herbert Archer is (203) 661-2596.
- Is Herbert Archer's NPI active?
- Yes — Herbert Archer's NPI (1205028560) is active in the NPPES registry as of the last update on 2024-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.