SARAH MARIE CALKINS (M.D.) – Cytopathology Physician, NPI 1073848503

SARAH MARIE CALKINS (M.D.) is a healthcare provider. based in San francisco, California. specializing in PATHOLOGY. They hold the professional credentials M.D.. They hold a License No. A111787 (CA). The NPI Number for SARAH MARIE CALKINS (M.D.) is 1073848503

Main info

Female
Sole Proprietor
18 Years Of Experience
Accepts Medicare Assignment
Name
SARAH MARIE CALKINS (M.D.)
NPI
1073848503
Phone
Not provided
Address
505 PARNASSUS AVE
Enumeration Date
16 October 2009
Last Update Date
24 May 2018

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6506162951
Graduation Year
2008 (18 years ago)
PAC ID
7315166881
Group Practice PAC ID
2961485925
Professional Enrollment ID
I20140915002463
Address ID
CA940806234SO383XXAVEX401
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience46
Completeness75
Years active:16State licenses:1Digital endpointsOther names

1,584 PATHOLOGY in CA

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Provider Addresses for SARAH MARIE CALKINS (M.D.)

  • University of California Medical Center, 505, Parnassus Avenue, Cole Valley, San Francisco, California, 94143, United States

    ROOM M-580

    SAN FRANCISCO, CA 941432204

    Phone:

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $20.

Total Amount is formed as General ($20) + Research ($0) + Ownership ($0) = $20.

Last reported payment date: 2023-10-28 • Largest payer in this snapshot: Genentech USA, Inc. ($20).

Total Amount

$20

General + Research + Ownership

Payments

1

Total payment records

General Amount

$20

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-10-28

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Genentech USA, Inc.$20
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-09-15

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20140915002463IPathologyCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
88305Pathology examination of tissue using a microscope, intermediate complexity491278$0
88112Cell examination of specimen, selective cellular enhancement technique212205$0
88341Special stained specimen slides to examine tissue, each additional procedure16244$0
88307Pathology examination of tissue using a microscope, moderately high complexity8243$0
88342Special stained specimen slides to examine tissue, initial procedure8071$0
View full utilization report →

Insurance plans in this area (ZIP 94143)

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Provider's Procedures

SARAH MARIE CALKINS (M.D.) performs procedures in PATHOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYCA88312Special stained specimen slides to identify organisms including interpretation and report1412
PATHOLOGYCA88342Tissue or cell analysis by immunologic technique2118

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2961485925View full group profile
NameSpecialtyState
P A T H O L O G YCA
P A T H O L O G YCA
P A T H O L O G YCA
-CA
P A T H O L O G YCA
P A T H O L O G YCA
P A T H O L O G YOH
P A T H O L O G YCA
P A T H O L O G YCA
P A T H O L O G YCA

Reviews

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Frequently asked questions

Is there an official ID for SARAH MARIE CALKINS (M.D.) in U.S. healthcare records?
The official identifier for SARAH MARIE CALKINS (M.D.) is NPI 1073848503.
Would SARAH MARIE CALKINS (M.D.) appear as active to a payer?
You can treat SARAH MARIE CALKINS (M.D.) as active for directory purposes; confirm clinical privileges separately.
What expertise is attributed to SARAH MARIE CALKINS (M.D.)?
SARAH MARIE CALKINS (M.D.)'s specialty line reads Cytopathology Physician. Clinical services aligned with this taxonomy classification.
Is SARAH MARIE CALKINS (M.D.) located near San Francisco?
SARAH MARIE CALKINS (M.D.) currently maps to San Francisco, California in this extract.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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