Erik N. Cohen, M.D.
Obstetrics & Gynecology Physician · Morgan Hill, CA
Erik N. Cohen, M.D. is an obstetrics & gynecology physician with a practice address in Morgan Hill, California, and NPI 1992800783, issued on Sep 14, 2006. Check the license (California A035453, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Erik N. Cohen
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A035453 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18181 Butterfield Blvd, Morgan Hill, CA 95037
- Phone
- (408) 779-9992
- Enumerated
- Sep 14, 2006
- Record last updated
- Nov 25, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (408) 779-6599
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 18181 Butterfield Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Erik N. Cohen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A035453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
81 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Estradiol (Twice Weekly)17 claims
- Progesterone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18.04
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Erik N. Cohen among 5,088 obstetrics & gynecology physician records in California
Erik N. Cohen, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2013 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Morgan Hill → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Katherine Brubaker, MDMilpitas, CA 950351376620211
- Melanie De Guzman, MDMilpitas, CA 950351306918057
- Danna Doering, MDMilpitas, CA 950351336226265
- Chanan Duong, MDMilpitas, CA 950351003379702
- Rita Freimuth, M.D.Milpitas, CA 950351700951423
- I-Ching Gong, MDMilpitas, CA 950351831276765
- Hanh Hoang, M.D.Milpitas, CA 950351093941973
- Janelle Ogura, MDMilpitas, CA 950351083786883
Common questions
What is Erik N. Cohen, M.D.'s NPI number?
Erik N. Cohen, M.D.'s National Provider Identifier (NPI) is 1992800783, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Erik N. Cohen, M.D. located?
The NPPES record lists a practice address at 18181 Butterfield Blvd, Morgan Hill, CA, 95037. Phone: (408) 779-9992. Providers update this record themselves, so call before visiting.
How can I verify Erik N. Cohen, M.D.'s license?
NPPES lists California license number A035453, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Erik N. Cohen, M.D. prescribe under Medicare Part D?
In 2024, Erik N. Cohen, M.D. had 81 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.