Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALISON JOYCE TAMMANY M.D.
NPI 1821484130
Colon & Rectal Surgery in Salinas, CA

Q: What is Alison Tammany's NPI number?

The NPI number for Alison Tammany is 1821484130. It was assigned to this individual provider in the NPPES registry on April 13, 2015.

Q: What is Alison Tammany's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Q: When was this NPI record last updated?

The NPPES record for Alison Tammany was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.

Active since April 13, 2015PECOS Enrolled

236 SAN JOSE ST, SALINAS, CA 93901(831) 424-7389 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 3, 2026, Aug 17, 2022, Aug 4, 2022 and 1 more (4 updates tracked since 2021).

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About Alison Joyce Tammany M.d. NPPES

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

ALISON JOYCE TAMMANY M.D. (NPI 1821484130) is an individual colon & rectal surgery provider in Salinas, California, licensed in California (A177258) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1821484130

Entity TypeIndividualFemale

Primary Taxonomy208C00000X

Provider Legal NameALISON JOYCE TAMMANYCredential: M.D.

Location Address236 SAN JOSE STSalinas, CA 93901-3901

Mailing Address100 Wilson Rd Ste 100Monterey, CA 93940-7885

Phone(831) 424-7389

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateApril 13, 2015

Last NPPES UpdateAugust 3, 20264 updates tracked since enumeration

NPPES CertifiedAugust 3, 2026

✔ NPI 1821484130 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208C00000X

License✔ Licensed in CA · A177258

Definition

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Also ListedSurgeryTaxonomy 208600000X · License A177258 (CA)

236 SAN JOSE ST, Salinas, CA 93901

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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

Alison Joyce Tammany 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 ID1850693847

PECOS Enrollment IDI20220815003014

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 6

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.

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.

47 services39 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

47 services22 patients

Diagnostic exam of anus using an endoscope 46600

This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.

41 services30 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

39 services37 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

33 services33 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

26 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93901 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

$94.44 typical visit price

range $61.69 – $184.30

Typical copayment $23.61 (range $15.42 – $46.07)

Most-billed visit code 99203

Established Patient

$76.53 typical visit price

range $20.34 – $151.02

Typical copayment $19.13 (range $5.08 – $37.75)

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 15

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

NEIL D RUDO M.D.

Surgery