CAROLINE CASSLING M.D.
NPI 1760860787
Obstetrics & Gynecology in Portland, ME

Active since May 11, 2015PECOS EnrolledAccepts Medicare Assignment
84 MARGINAL WAY STE 900, PORTLAND, ME 04101(207) 874-2445(207) 523-8598 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 3, 2026, Dec 26, 2019, Dec 19, 2019 (3 updates tracked since 2019).

About Caroline Cassling M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAROLINE CASSLING M.D. (NPI 1760860787) is an individual obstetrics & gynecology provider in Portland, Maine, licensed in Maine (MD23066) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Portland, and is a graduate of George Washington University School Of Medicine (2015).

NPPES Registry Identity

NPI1760860787
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameCAROLINE CASSLINGCredential: M.D.
Location Address84 MARGINAL WAY STE 900Portland, ME 04101-2476
Mailing Address100 Gannett Dr Ste CSouth Portland, ME 04106-5900 · (207) 347-2947 · Fax (207) 874-2317
Fax(207) 523-8598
Sole ProprietorNo
Medical School CMSGeorge Washington University School Of MedicineGraduated 2015
Enumeration DateMay 11, 2015
Last NPPES UpdateMarch 3, 20263 updates tracked since enumeration
NPPES CertifiedMarch 3, 2026
NPI 1760860787 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in ME · MD23066
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
84 MARGINAL WAY STE 900, Portland, ME 04101

Secondary Practice Location 1

Location 122 Bramhall StPortland, ME 04102-3134 · Phone (207) 662-0111

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Caroline Cassling M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769793421
PECOS Enrollment IDI20190909001828
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
27 services27 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
27 services27 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
14 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.83 typical visit price
range $56.28 – $169.96
Typical copayment $32.20 (range $14.07 – $42.49)
Most-billed visit code 99204
Established Patient
$70.13 typical visit price
range $18.22 – $138.92
Typical copayment $17.53 (range $4.55 – $34.73)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
84 MARGINAL WAY STE 900
PORTLAND, ME 04101
Social Worker (Clinical)
84 MARGINAL WAY STE 900
PORTLAND, ME 04101
Nurse Practitioner (Family)
84 MARGINAL WAY STE 900
PORTLAND, ME 04101
Nurse Practitioner (Women's Health)
84 MARGINAL WAY STE 900
PORTLAND, ME 04101
Nurse Practitioner (Women's Health)
84 MARGINAL WAY STE 900
PORTLAND, ME 04101
Obstetrics & Gynecology
84 MARGINAL WAY STE 900
PORTLAND, ME 04101
Advanced Practice Midwife
84 MARGINAL WAY STE 900
PORTLAND, ME 04101
Midwife
84 MARGINAL WAY STE 900
PORTLAND, ME 04101

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Caroline Cassling's NPI number?

The NPI number for Caroline Cassling is 1760860787. It was assigned to this individual provider in the NPPES registry on May 11, 2015.

Where is Caroline Cassling located?

Caroline Cassling practices at 84 Marginal Way Ste 900, Portland, ME 04101. The listed phone number is (207) 874-2445.

What is Caroline Cassling's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Caroline Cassling enrolled in Medicare?

Yes. Caroline Cassling is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Caroline Cassling accept?

Health plans from Anthem Blue Cross and Blue Shield list Caroline Cassling as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Caroline Cassling was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.