Dr. Natalie M. Lopyan, MD
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 3718 Grand Ave, Oakland, CA 94610
- Practice phone
- Call (800) 848-3535
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
American Specialty Health Clearinghouse, Inc.
Oakland, California
Find Dr. Lopyan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Natalie M. Lopyan is a general surgeon in Oakland, California
Dr. Lopyan practices at American Specialty Health Clearinghouse, Inc. in Oakland, California.
Dr. Lopyan's NPI, 1902217995, was assigned on May 13, 2014. Dr. Lopyan holds New Jersey license 25MA12000600.
- NPI
- 1902217995NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971922733
- NPI enumeration date
- May 13, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (800) 848-3535
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Natalie M. Lopyan practices at American Specialty Health Clearinghouse, Inc. in Oakland, California
Dr. Lopyan's primary practice is American Specialty Health Clearinghouse, Inc., at 3718 Grand Ave, Oakland, CA 94610 in Alameda County. The practice phone is (800) 848-3535.
- American Specialty Health Clearinghouse, Inc.3718 Grand Ave, Oakland, CA 94610 · Alameda CountyPhone(800) 848-3535
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Natalie M. Lopyan is affiliated with 2 sites of care and 1 medical group
Dr. Lopyan's primary practice is American Specialty Health Clearinghouse, Inc. in Oakland, California. Dr. Lopyan is also affiliated with Robert Wood Johnson University Hospital Hamilton. The medical group on file is Rutgers-RWJ Scleroderma Program.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Natalie M. Lopyan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lopyan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| American Specialty Health Clearinghouse, Inc. | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Natalie M. Lopyan is one of 2,926 general surgeons in California
Surgery is Dr. Lopyan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lopyan is licensed in New Jersey.
Specialties and state licenses
- Surgery, New JerseyPrimary
General surgeons near Dr. Lopyan
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Natalie M. Lopyan's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Lopyan's median patient age at 63, with 100% women.
Dr. Lopyan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
How Dr. Natalie M. Lopyan takes part in Medicare
Dr. Lopyan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
Sources for Dr. Natalie M. Lopyan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Natalie M. Lopyan
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What is Dr. Natalie M. Lopyan's NPI number?
Dr. Natalie M. Lopyan's NPI number is 1902217995. It was assigned on May 13, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Natalie M. Lopyan?
Dr. Natalie M. Lopyan is a general surgeon in Oakland, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Natalie M. Lopyan practice?
Dr. Lopyan practices at 3718 Grand Ave, Oakland, CA 94610. Dr. Lopyan's primary practice is American Specialty Health Clearinghouse, Inc. in Oakland, California.
What is Dr. Natalie M. Lopyan's office phone number?
The practice phone on file for Dr. Lopyan is (800) 848-3535.
What is Dr. Natalie M. Lopyan's medical license number?
Dr. Lopyan holds New Jersey license 25MA12000600.
Which hospitals is Dr. Natalie M. Lopyan affiliated with?
Dr. Lopyan is affiliated with Robert Wood Johnson University Hospital Hamilton.
What medical group is Dr. Natalie M. Lopyan part of?
Dr. Lopyan is linked to Rutgers-RWJ Scleroderma Program.
Does Dr. Natalie M. Lopyan accept Medicare?
Yes. CMS lists Dr. Lopyan as accepting Medicare assignment.
How long has Dr. Natalie M. Lopyan been practicing?
Dr. Lopyan graduated from medical school in 2014, 12 years ago.
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