DR. ALYSSA K HAMMAN (MD) – Anesthesiology Physician, NPI 1154518843

DR. ALYSSA K HAMMAN (MD) is a healthcare provider. based in Denver, Colorado. specializing in ANESTHESIOLOGY. They hold the professional credentials MD. They hold a License No. 47542 (CO). The NPI Number for DR. ALYSSA K HAMMAN (MD) is 1154518843

Main info

Female
22 Years Of Experience
Accepts Medicare Assignment
Name
DR. ALYSSA K HAMMAN (MD)
NPI
1154518843
Phone
(303) 388-4461
Address
1400 Jackson St
Enumeration Date
26 September 2007
Last Update Date
28 January 2022

Doctor Profile

Medical School Name
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Secondary Phone
3032900600
Graduation Year
2004 (22 years ago)
PAC ID
1355489139
Group Practice PAC ID
0446225882
Professional Enrollment ID
I20091116000513
Address ID
CO801112884EN8200XSTXX401

Contacts

Secure Messaging
NJHealth@njc.allscriptsdirect.net
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience60
Completeness85
Years active:18State licenses:1Other namesUpdated within 12 months

1,166 ANESTHESIOLOGY in CO

Provider Addresses for DR. ALYSSA K HAMMAN (MD)

  • 1400 Jackson St

    Denver, CO 802062761

    Phone: (303) 388-4461

    Fax: (303) 398-1211

    Type: Location

  • 8000, East Maplewood Avenue, Greenwood Village, Arapahoe County, Colorado, 80111, United States

    STE 200

    GREENWOOD VILLAGE, CO 801114727

    Phone: (303) 761-5646

    Fax: (303) 761-9280

    Type: Mailing

  • Thomas R Lefly, Attorney at Law, 333, West Hampden Avenue, Englewood, Arapahoe County, Colorado, 80110, United States

    SUITE 600

    ENGLEWOOD, CO 801102336

    Phone: (303) 761-5646

    Fax: (303) 761-9280

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $1,674.

Total Amount is formed as General ($1,674) + Research ($0) + Ownership ($0) = $1,674.

Last reported payment date: 2023-06-05 • Largest payer in this snapshot: Stryker Corporation ($1,650).

Total Amount

$1,674

General + Research + Ownership

Payments

3

Total payment records

General Amount

$1,674

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-06-05

Latest reported date

Top Companies

Largest payers in this snapshot

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: 2009-11-16

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
I20091116000513IAnesthesiologyCOTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 80206)

Loading plans...

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: 0446225882View full group profile
NameSpecialtyState
-CO
-CO
-CO
-ND
A N E S T H E S I O L O G YCO
A N E S T H E S I O L O G YCO
A N E S T H E S I O L O G YCO
A N E S T H E S I O L O G YCO
-CO

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Can I cross-check DR. ALYSSA K HAMMAN (MD) using NPI 1154518843?
NPI 1154518843 belongs to DR. ALYSSA K HAMMAN (MD); compare other details if you need extra assurance.
Would DR. ALYSSA K HAMMAN (MD) appear as active to a payer?
You can treat DR. ALYSSA K HAMMAN (MD) as active for directory purposes; confirm clinical privileges separately.
What kind of doctor is DR. ALYSSA K HAMMAN (MD)?
DR. ALYSSA K HAMMAN (MD) is associated with Anesthesiology Physician in the directory — Clinical services aligned with this taxonomy classification.
What locale is associated with DR. ALYSSA K HAMMAN (MD)?
Directory geography for DR. ALYSSA K HAMMAN (MD) centers on Denver, Colorado.
Does DR. ALYSSA K HAMMAN (MD) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

Similar Providers

DR. MAURICIO MEJIA (M.D.)

Anesthesiology Physician
455, Sherman Street, Denver, Denver County, Colorado, 80203, United States
NPI: 1093710352

GREGORY S LARSEN (MD)

Anesthesiology Physician
Beet Box, 1030, East 22nd Avenue, Five Points, Denver, Denver County, Colorado, 80205, United States
NPI: 1366447922

DR. LEONID G LIPTSEN (M.D.)

Anesthesiology Physician
10350 E DAKOTA AVE
NPI: 1861498479
Kaiser Permanente, 2500, South Havana Street, Aurora, Arapahoe County, Colorado, 80014, United States
NPI: 1164429536
455, Sherman Street, Denver, Denver County, Colorado, 80203, United States
NPI: 1457359820

TIMOTHY S HOUDEN (MD)

Pain Medicine Physician
PO BOX 5546
NPI: 1255339552

DR. LAN-ANH SANDEE BUI (MD)

Anesthesiology Physician
10350 E DAKOTA AVE
NPI: 1649278771

DR. ANNE STEWART THOMAS (M.D.)

Pediatric Anesthesiology Physician
455, Sherman Street, Denver, Colorado, 80203, United States
NPI: 1588658280