Dr. Marci Beth Chasnow, MD
- Industry payments
- $444
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 12 Medstar Blvd, Bel Air, MD 21015
- Practice phone
- Call (443) 444-5606
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medstar Medical Group II
Bel Air, Maryland
Find Dr. Chasnow'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. Marci Beth Chasnow is a pediatrician in Bel Air, Maryland
Dr. Chasnow practices at Medstar Medical Group II in Bel Air, Maryland.
Dr. Chasnow's NPI, 1336231034, was assigned on September 29, 2006. Dr. Chasnow graduated from Boston University School of Medicine in 1983. Dr. Chasnow holds Maryland license D0032074.
- NPI
- 1336231034NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476822594
- NPI enumeration date
- September 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (443) 444-5606
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marci Beth Chasnow practices at Medstar Medical Group II in Bel Air, Maryland
Dr. Chasnow's primary practice is Medstar Medical Group II, at 12 Medstar Blvd, Bel Air, MD 21015 in Harford County. The practice phone is (443) 444-5606.
- Medstar Medical Group II12 Medstar Blvd, Bel Air, MD 21015 · Harford CountyPhone(443) 444-5606
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marci Beth Chasnow is affiliated with 2 sites of care and 1 medical group
Dr. Chasnow's primary practice is Medstar Medical Group II in Bel Air, Maryland. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Chasnow to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Marci Beth Chasnow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chasnow practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medstar Medical Group II | 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. Marci Beth Chasnow is one of 1,376 pediatricians in Maryland
Pediatrics is Dr. Chasnow's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Chasnow is licensed in Maryland.
Specialties and state licenses
- Pediatrics, MarylandPrimary
Pediatricians near Dr. Chasnow
Counts of pediatricians 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. Marci Beth Chasnow's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Chasnow's median patient age at 11, with 48% women.
Dr. Chasnow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women48%
- Men50%
Source: Dmand AI Patient Panel Data
How Dr. Marci Beth Chasnow takes part in Medicare
Dr. Chasnow accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Marci Beth Chasnow received $444 in industry payments from 2016 to 2017
CMS Open Payments shows 29 general payments to Dr. Chasnow from 14 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Arbor Pharmaceuticals, Inc. paid the most, $69.
General payments to Dr. Chasnow by program year, 2016 to 2017
Companies that paid Dr. Chasnow the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marci Beth Chasnow graduated from Boston University School of Medicine
Dr. Chasnow graduated from Boston University School of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marci Beth Chasnow'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Marci Beth Chasnow
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Marci Beth Chasnow's NPI number?
Dr. Marci Beth Chasnow's NPI number is 1336231034. It was assigned on September 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marci Beth Chasnow?
Dr. Marci Beth Chasnow is a pediatrician in Bel Air, Maryland. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Marci Beth Chasnow practice?
Dr. Chasnow practices at 12 Medstar Blvd, Bel Air, MD 21015. Dr. Chasnow's primary practice is Medstar Medical Group II in Bel Air, Maryland. Dmand AI also links Dr. Chasnow to 1 group practice or clinic.
What is Dr. Marci Beth Chasnow's office phone number?
The practice phone on file for Dr. Chasnow is (443) 444-5606.
What is Dr. Marci Beth Chasnow's medical license number?
Dr. Chasnow holds Maryland license D0032074.
What medical group is Dr. Marci Beth Chasnow part of?
Dr. Chasnow is linked to MedStar Medical Group.
Does Dr. Marci Beth Chasnow accept Medicare?
Yes. CMS lists Dr. Chasnow as accepting Medicare assignment.
Where did Dr. Marci Beth Chasnow go to medical school?
Dr. Chasnow graduated from Boston University School of Medicine in 1983.
Has Dr. Marci Beth Chasnow received payments from drug or device companies?
CMS Open Payments shows $444 in general payments to Dr. Chasnow from 14 companies from 2016 to 2017. The largest total came from Arbor Pharmaceuticals, Inc.
How long has Dr. Marci Beth Chasnow been practicing?
Dr. Chasnow graduated from medical school in 1983, 43 years ago.
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